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8/17/2019 Pourbaix Hg S H2O
1/110
SISTEMA S - H2O
1 HSO4(-a) = SO4(-2a) + H(+a)
1/T T deltaH deltaS deltaG
K kJ J/K kJ
0.00359518 278.150 -13.635 -82.799 9.396
0.0035317 283.150 -15.623 -89.884 9.828
0.00347041 288.150 -17.400 -96.105 10.293
0.00341122 293.150 -19.013 -101.656 10.788
0.00335402 298.150 -20.502 -106.692 11.309
0.0032987 303.150 -21.898 -111.336 11.854
0.00324517 308.150 -23.226 -115.683 12.422
0.00319336 313.150 -24.506 -119.803 13.010
0.00314317 318.150 -25.750 -123.743 13.619
0.00309454 323.150 -26.965 -127.533 14.247
0.00304739 328.150 -28.154 -131.184 14.894
0.00300165 333.150 -29.315 -134.696 15.559
0.00295727 338.150 -30.461 -138.110 16.241
0.00291418 343.150 -31.600 -141.454 16.940
0.00287233 348.150 -32.735 -144.738 17.656
0.00283166 353.150 -33.869 -147.972 18.387
0.00279213 358.150 -35.004 -151.165 19.135
0.00275368 363.150 -36.144 -154.326 19.899
0.00271628 368.150 -37.291 -157.463 20.678
2 HSO4(-a) + 9H(+a) + 8e- = H2S(a) + 4
1/T T deltaH deltaS deltaG
K kJ J/K kJ
0.00359518 278.150 -301.497 -269.253 -226.605
0.0035317 283.150 -299.446 -261.943 -225.277
0.00347041 288.150 -297.520 -255.199 -223.984
0.00341122 293.150 -295.687 -248.893 -222.724
0.00335402 298.150 -293.926 -242.935 -221.495
0.0032987 303.150 -292.220 -237.261 -220.2950.00324517 308.150 -290.552 -231.804 -219.122
0.00319336 313.150 -288.914 -226.529 -217.976
0.00314317 318.150 -287.297 -221.406 -216.856
0.00309454 323.150 -285.696 -216.412 -215.762
0.00304739 328.150 -284.107 -211.533 -214.692
0.00300165 333.150 -282.528 -206.758 -213.646
0.00295727 338.150 -280.955 -202.073 -212.624
8/17/2019 Pourbaix Hg S H2O
2/110
0.00291418 343.150 -279.384 -197.461 -211.626
0.00287233 348.150 -277.813 -192.915 -210.650
0.00283166 353.150 -276.239 -188.426 -209.696
0.00279213 358.150 -274.660 -183.986 -208.765
0.00275368 363.150 -273.074 -179.589 -207.856
0.00271628 368.150 -271.479 -175.227 -206.969
3 SO4(-2a) + 10H(+a) + 8e- = H2S(a) + 4
1/T T deltaH deltaS deltaG
K kJ J/K kJ
0.00359518 278.150 -287.862 -186.454 -236.000
0.0035317 283.150 -283.823 -172.059 -235.105
0.00347041 288.150 -280.120 -159.093 -234.277
0.00341122 293.150 -276.674 -147.236 -233.512
0.00335402 298.150 -273.425 -136.243 -232.804
0.0032987 303.150 -270.322 -125.924 -232.1480.00324517 308.150 -267.326 -116.121 -231.543
0.00319336 313.150 -264.408 -106.726 -230.987
0.00314317 318.150 -261.547 -97.663 -230.476
0.00309454 323.150 -258.731 -88.879 -230.009
0.00304739 328.150 -255.953 -80.349 -229.586
0.00300165 333.150 -253.213 -72.062 -229.206
0.00295727 338.150 -250.495 -63.963 -228.866
0.00291418 343.150 -247.785 -56.008 -228.566
0.00287233 348.150 -245.078 -48.177 -228.305
0.00283166 353.150 -242.370 -40.454 -228.0840.00279213 358.150 -239.656 -32.821 -227.901
0.00275368 363.150 -236.930 -25.263 -227.755
0.00271628 368.150 -234.188 -17.764 -227.648
4 SO4(-2a) + 9H(+a) + 8e- = HS(-a) + 4
1/T T deltaH deltaS deltaG
K kJ J/K kJ
0.00359518 278.150 -257.772 -221.167 -196.254
0.0035317 283.150 -255.586 -213.379 -195.168
0.00347041 288.150 -253.556 -206.270 -194.119
0.00341122 293.150 -251.646 -199.697 -193.105
0.00335402 298.150 -249.827 -193.544 -192.122
0.0032987 303.150 -248.076 -187.719 -191.169
0.00324517 308.150 -246.371 -182.141 -190.244
0.00319336 313.150 -244.699 -176.758 -189.347
0.00314317 318.150 -243.050 -171.535 -188.476
0.00309454 323.150 -241.419 -166.449 -187.631
8/17/2019 Pourbaix Hg S H2O
3/110
0.00304739 328.150 -239.805 -161.491 -186.811
0.00300165 333.150 -238.208 -156.660 -186.016
0.00295727 338.150 -236.619 -151.927 -185.245
0.00291418 343.150 -235.031 -147.266 -184.497
0.00287233 348.150 -233.443 -142.672 -183.772
0.00283166 353.150 -231.852 -138.135 -183.070
0.00279213 358.150 -230.256 -133.647 -182.3900.00275368 363.150 -228.652 -129.200 -181.733
0.00271628 368.150 -227.039 -124.787 -181.098
5 SO4(-2a) + 8H(+a) + 8e- = S(-2a) + 4H2O
1/T T deltaH deltaS deltaG
K kJ J/K kJ
0.00359518 278.150 -208.691 -304.441 -124.011
0.0035317 283.150 -206.252 -295.750 -122.511
0.00347041 288.150 -204.135 -288.334 -121.0510.00341122 293.150 -202.275 -281.936 -119.626
0.00335402 298.150 -200.623 -276.346 -118.231
0.0032987 303.150 -199.135 -271.394 -116.861
0.00324517 308.150 -197.773 -266.939 -115.516
0.00319336 313.150 -196.512 -262.879 -114.191
0.00314317 318.150 -195.332 -259.139 -112.886
0.00309454 323.150 -194.219 -255.670 -111.600
0.00304739 328.150 -193.169 -252.443 -110.329
0.00300165 333.150 -192.178 -249.446 -109.075
0.00295727 338.150 -191.230 -246.622 -107.8350.00291418 343.150 -190.310 -243.922 -106.608
0.00287233 348.150 -189.413 -241.327 -105.395
0.00283166 353.150 -188.533 -238.816 -104.195
0.00279213 358.150 -187.662 -236.369 -103.007
0.00275368 363.150 -186.797 -233.969 -101.831
0.00271628 368.150 -185.930 -231.598 -100.667
6 H2S(a) = HS(-a) + H(+a)
1/T T deltaH deltaS deltaG
K kJ J/K kJ
0.00359518 278.150 30.091 -34.713 39.746
0.0035317 283.150 28.237 -41.320 39.937
0.00347041 288.150 26.564 -47.177 40.158
0.00341122 293.150 25.028 -52.461 40.407
0.00335402 298.150 23.598 -57.301 40.682
0.0032987 303.150 22.247 -61.794 40.980
0.00324517 308.150 20.955 -66.020 41.299
8/17/2019 Pourbaix Hg S H2O
4/110
0.00319336 313.150 19.709 -70.032 41.640
0.00314317 318.150 18.497 -73.873 42.000
0.00309454 323.150 17.311 -77.570 42.378
0.00304739 328.150 16.148 -81.142 42.775
0.00300165 333.150 15.005 -84.598 43.189
0.00295727 338.150 13.876 -87.963 43.621
0.00291418 343.150 12.754 -91.259 44.0690.00287233 348.150 11.635 -94.495 44.533
0.00283166 353.150 10.518 -97.681 45.014
0.00279213 358.150 9.399 -100.825 45.510
0.00275368 363.150 8.277 -103.937 46.022
0.00271628 368.150 7.149 -107.023 46.549
7 HS(-a) = S(-2a) + H(+a)
1/T T deltaH deltaS deltaG
K kJ J/K kJ0.00359518 278.150 49.081 -83.273 72.243
0.0035317 283.150 49.334 -82.371 72.657
0.00347041 288.150 49.421 -82.063 73.068
0.00341122 293.150 49.370 -82.238 73.479
0.00335402 298.150 49.204 -82.801 73.891
0.0032987 303.150 48.941 -83.675 74.307
0.00324517 308.150 48.598 -84.798 74.728
0.00319336 313.150 48.187 -86.120 75.155
0.00314317 318.150 47.719 -87.604 75.590
0.00309454 323.150 47.200 -89.221 76.0320.00304739 328.150 46.636 -90.952 76.482
0.00300165 333.150 46.030 -92.786 76.941
0.00295727 338.150 45.389 -94.695 77.410
0.00291418 343.150 44.721 -96.656 77.888
0.00287233 348.150 44.030 -98.655 78.377
0.00283166 353.150 43.320 -100.681 78.875
0.00279213 358.150 42.594 -102.722 79.384
0.00275368 363.150 41.855 -104.769 79.902
0.00271628 368.150 41.109 -106.811 80.431
8/17/2019 Pourbaix Hg S H2O
5/110
R
K Log(K)
1.720E-002 -1.765 B' A'
1.538E-002 -1.813 1 1345.88698 -6.51420368
1.361E-002 -1.866 38.8631899 0.12158046
1.196E-002 -1.922 0.98602358 0.04513728
1.044E-002 -1.981 1199.33442 17
9.064E-003 -2.043 2.44349318 0.03463536
7.839E-003 -2.106
6.755E-003 -2.170 0.12614837 -26.2303683
5.805E-003 -2.236 0.0023027 0.74678531
4.975E-003 -2.303 0.99436742 0.2748812
4.255E-003 -2.371 3001.1527 17
3.633E-003 -2.440 226.766116 1.28451443
3.097E-003 -2.509
2.637E-003 -2.579
2.243E-003 -2.649
1.906E-003 -2.720
1.618E-003 -2.791
1.373E-003 -2.862
1.164E-003 -2.934
2O
K E v! SHE Log(K)
"
3.617E+042 0.294 42.558 B' A'
3.647E+041 0.292 41.562 2 14994.8371 -11.4625393
4.040E+040 0.290 40.606 50.2949766 0.15734391
4.889E+039 0.289 39.689 0.99980878 0.05841462
6.430E+038 0.287 38.808 88886.1881 17
9.147E+037 0.286 37.961 303.303518 0.058008561.401E+037 0.284 37.147
2.303E+036 0.283 36.362 0.21754581 -286.437958
4.046E+035 0.281 35.607 0.00299191 0.97030105
7.570E+034 0.280 34.879 0.99679484 0.3571542
1.504E+034 0.278 34.177 5286.94492 17
3.166E+033 0.277 33.500 674.398071 2.16850513
7.034E+032 0.276 32.847
8/17/2019 Pourbaix Hg S H2O
6/110
1.646E+032 0.274 32.217
4.050E+031 0.273 31.607
1.044E+031 0.272 31.019
2.819E+030 0.271 30.450
7.944E+029 0.269 29.900
2.334E+029 0.268 29.368
2O
K E v! SHE Log(K)
"
2.103E+044 0.306 44.323 B' A'
2.371E+043 0.305 43.375 3 13648.9501 -4.9483356
2.967E+042 0.304 42.472 89.1498674 0.2788984
4.088E+041 0.303 41.612 0.99927527 0.10354227
6.161E+040 0.302 40.790 23439.972 17
1.009E+040 0.301 40.004 251.29997 0.182257021.788E+039 0.300 39.252
3.409E+038 0.299 38.533 0.09139744 -260.20759
6.970E+037 0.299 37.843 0.00529414 1.71693482
1.522E+037 0.298 37.182 0.94603886 0.63197962
3.535E+036 0.298 36.548 298.041528 17
8.713E+035 0.297 35.940 119.037264 6.78977018
2.271E+035 0.297 35.356
6.243E+034 0.296 34.795
1.806E+034 0.296 34.257
5.480E+033 0.29633.739
1.742E+033 0.295 33.241
5.788E+032 0.295 32.763
2.006E+032 0.295 32.302
2O
K E v! SHE Log(K)
"
7.215E+036 0.254 36.858 B' A'
1.016E+036 0.253 36.007 4 12684.8592 -8.8606227
1.556E+035 0.252 35.192 51.286704 0.16044645
2.576E+034 0.250 34.411 0.99972218 0.05956646
4.589E+033 0.249 33.662 61173.2739 17
8.755E+032 0.248 32.942 217.052728 0.06031877
1.782E+032 0.247 32.251
3.858E+031 0.245 31.586 0.16770143 -242.206805
8.852E+030 0.244 30.947 0.00304917 0.988872
2.146E+030 0.243 30.332 0.99441137 0.36398991
8/17/2019 Pourbaix Hg S H2O
7/110
5.482E+029 0.242 29.739 3024.89092 17
1.472E+029 0.241 29.168 400.763732 2.25230715
4.144E+028 0.240 28.617
1.221E+028 0.239 28.087
3.754E+027 0.238 27.574
1.203E+027 0.237 27.080
4.009E+026 0.236 26.6031.388E+026 0.236 26.142
4.979E+025 0.235 25.697
K E v! SHE Log(K)
"
1.951E+023 0.161 23.290 B' A'
4.002E+022 0.159 22.602 5 10222.7923 -13.5515546
8.821E+021 0.157 21.945 36.8120829 0.115163732.076E+021 0.155 21.317 0.99977961 0.04275504
5.191E+020 0.153 20.715 77118.4501 17
1.373E+020 0.152 20.138 140.972052 0.0310759
3.826E+019 0.150 19.583
1.120E+019 0.148 19.049 0.25805314 -195.254417
3.432E+018 0.146 18.536 0.00216296 0.70146483
1.098E+018 0.145 18.041 0.99880709 0.25819936
3.661E+017 0.143 17.564 14233.8644 17
1.268E+017 0.141 17.103 948.927765 1.13333748
4.558E+016 0.14016.659
1.696E+016 0.138 16.229
6.520E+015 0.137 15.814
2.587E+015 0.135 15.413
1.058E+015 0.134 15.024
4.450E+014 0.132 14.648
1.924E+014 0.131 14.284
K Log(K)
3.430E-008 -7.465 B' A'
4.286E-008 -7.368 6 -964.090881 -3.9122871
5.244E-008 -7.280 37.8670111 0.11846399
6.301E-008 -7.201 0.97444406 0.04398028
7.449E-008 -7.128 648.207267 17
8.676E-008 -7.062 1.2538047 0.03288251
9.971E-008 -7.001
8/17/2019 Pourbaix Hg S H2O
8/110
1.132E-007 -6.946 B A
1.270E-007 -6.896 0.07630399 18.0007842
1.410E-007 -6.851 0.00224519 0.72813355
1.551E-007 -6.809 R ̂ 2 0.9854951 0.26801574
1.690E-007 -6.772 1155.01806 17
1.825E-007 -6.739 82.9677644 1.22115147
1.955E-007 -6.7092.079E-007 -6.682
2.195E-007 -6.659
2.301E-007 -6.638
2.397E-007 -6.620
2.482E-007 -6.605
K Log(K)
2.704E-014 -13.568 B' A'
3.938E-014 -13.405 7 -2462.0669 -4.69093192
5.668E-014 -13.247 14.8828026 0.04655969
8.057E-014 -13.094 0.9993792 0.01728549
1.131E-013 -12.946 27367.1931 17
1.568E-013 -12.805 8.17699334 0.0050794
2.146E-013 -12.668
2.902E-013 -12.537 0.0903517 46.9523888
3.877E-013 -12.412 0.00090918 0.29485316
5.117E-013 -12.2910.9982816 0.10853131
6.678E-013 -12.175 9875.91757 17
8.617E-013 -12.065 116.328886 0.20024378
1.100E-012 -11.959
1.389E-012 -11.857
1.737E-012 -11.760
2.151E-012 -11.667
2.638E-012 -11.579
3.207E-012 -11.494
3.865E-012 -11.413
8/17/2019 Pourbaix Hg S H2O
9/110
2,303 T5 278
8,314 T25 298
1.00E+09 T95 368
LogK= A´ + B´*(1/T
A´ B´ !2 A
1 -6.5142 1345.8870 -31.1609
2 -11.4625 14994.8371 0.9999
R ^2 3 -4.9483 13648.9501 0.9996
0.99466476 4 -8.8606 12684.8592 0.9998
5 -13.5516 10222.7923 0.9999
6 18.0008
7 -4.6909 -2462.0669 0.9994
R ^2
0.99988525
∆"#=
$og =%( ^0/(2.303 ∆ ×
8/17/2019 Pourbaix Hg S H2O
10/110
R ^2
0.99956145
R ^2
0.99983289
8/17/2019 Pourbaix Hg S H2O
11/110
R ^2
0.99989678
R ^2
0.97707918
8/17/2019 Pourbaix Hg S H2O
12/110
R ^2
0.99939296
8/17/2019 Pourbaix Hg S H2O
13/110
A + B*T LogK LogK LogK
B !2
0.1403 0.9977 -1.6729 -1.6729 -1.6729
42.4757 38.8557 29.2843
44.1486 40.8535 32.1412
36.7684 33.7060 25.6091
23.2211 20.7531 14.2278
0.0763 0.9940 -7.3669 -7.1399 -6.5398
-13.5473 -12.9529 -11.3813
5& 25& 95&
8/17/2019 Pourbaix Hg S H2O
14/110
8/17/2019 Pourbaix Hg S H2O
15/110
8/17/2019 Pourbaix Hg S H2O
16/110
8/17/2019 Pourbaix Hg S H2O
17/110
) 0.01 273
g 1.00E-05
96500
R 8.314
2.303
) )-2
1 )4(- = )4(-2 + (+
2 )4(- + 9(+ + 8-= 2)(
3 )4(-2 + 10(+ + 8-= 2)(
4 )4(-2 + 9(+ + 8- = )(-
5 )4(-2 + 8(+ + 8- = )(-2
6 2)( = )(- + (+
7 )(- = )(-2 + (+
25$
H2S(a) -6.607 -27.66
HS(-a) 2.973 12.44
HSO4(-a) -180.524 -755.63
SO4(-2a) -177.907 -744.68
T1
T0
T
8/17/2019 Pourbaix Hg S H2O
18/110
8/17/2019 Pourbaix Hg S H2O
19/110
8/17/2019 Pourbaix Hg S H2O
20/110
5 273 0.003663004
25 298 0.003355705
95 368 0.002717391
LogK
-1.672883594 -1.672883594 -1.672883594 0 0 -1.00
+ 42 42.47572361 38.85570596 29.28430062 8 5.3095 -1.13
+ 42 44.1486072 40.85351037 32.14120271 8 5.5186 -1.25
+ 42 36.76836729 33.70601897 25.60910343 8 4.5960 -1.13
+ 42 23.22107961 20.75311758 14.22777233 8 2.9026 -1.00
-7.366896569 -7.139932869 -6.539835912 0 0 -1.00
-13.54728768 -12.95290138 -11.3813311 0 0 -1.00
5 95$ $
-6.807 -28.49 -6.190 -25.91
2.541 10.64 4.820 20.18
-182.619 -764.41 -172.978 -724.05
-180.488 -755.49 -168.017 -703.51
5&
5& 25& 95&
8/17/2019 Pourbaix Hg S H2O
21/110
8/17/2019 Pourbaix Hg S H2O
22/110
8/17/2019 Pourbaix Hg S H2O
23/110
E = + *
: : : '
1.6729 0 -1 1.6729 0 -1 2.9054
4.8570 -1.13 3.6605 -1.13 0.03595
5.1067 -1.25 4.0177 -1.25 0.03737
4.2133 -1.13 3.2011 -1.13 0.03112
2.5941 -1.00 1.7785 -1.00 0.01965
7.3669 0 -1 7.1399 0 -1 6.5398
13.5473 0 -1 12.9529 0 -1 11.3813
25& 95& 5
12108#420
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
5
5
5
5
5
5
5
5
5
5
5
5
S - H2O - S%te& at $!00 '
'HS'$E*H'E*HS1!E,T
E ("olt)
H2S(a)
HS(-a)
HSO4(-a)
SO4(-2a)
ELE.E/TS .olalt%
S 1!000E-02
g
;
8/17/2019 Pourbaix Hg S H2O
24/110
8/17/2019 Pourbaix Hg S H2O
25/110
8/17/2019 Pourbaix Hg S H2O
26/110
E: = ' + '*
' ' ' ' '
-0.00762 0.03289 -0.00762 0.02479 -0.00762
-0.00846 0.03458 -0.00846 0.02720 -0.00846
-0.00762 0.02853 -0.00762 0.02167 -0.00762
-0.00677 0.01756 -0.00677 0.01204 -0.00677
25& 95&
20181#1412
5
5
5
5
5
5
'
*H
H2O limits
(-a)S(-2a)
4(-2a)
,ee
1!000E+00
:
8/17/2019 Pourbaix Hg S H2O
27/110
8/17/2019 Pourbaix Hg S H2O
28/110
8/17/2019 Pourbaix Hg S H2O
29/110
!;o< E:
0.000 0.360
1.673 0.232
; 7.367 -0.250
13.547 -0.721
20.000 -1.158
o !;o<
1.673 0.232
1.673 2.0
; 7.367 -0.250
g 7.367 -2
13.547 -0.721
: 13.547 -2
!;o< E:
0 0.328862324
1.6729 0.204183563
; 7.1399 -0.258594054
12.9529 -0.701386087
20 -1.178541279
o !;o<
5&
25&
0-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
E: (?o$
)4(-
1.5
2
8/17/2019 Pourbaix Hg S H2O
30/110
1.6729 0.204183563
1.6729 2
; 7.1399 -0.258594054
g 7.1399 -2
12.9529 -0.701386087
: 12.9529 -2
!;o< E:
0 0.247852997
2.9054 0.026128205
; 6.5398 -0.281412503
11.3813 -0.650204368
20 -1.233769723
o !;o<
2.9054 0.026128205
2.9054 2
; 6.5398 -0.281412503
g 6.5398 -2
11.3813 -0.650204368
: 11.3813 -2
95&
0 2-2
-1.5
-1
-0.5
0
0.5
1
E: (@o$
)4(-
2)
-1.5
-1
-0.5
0
0.5
1
1.5
2
E: (@o$
)4(-
2)
8/17/2019 Pourbaix Hg S H2O
31/110
0-
8/17/2019 Pourbaix Hg S H2O
32/110
2 4 6 8 10
))TE>A ) - 2 A 5&
H2S(a)
HS(-a)
SO4(-2a)
))TE>A ) - 2 A 25&
8/17/2019 Pourbaix Hg S H2O
33/110
4 6 8 10 12
)4(-2
)(-)(-2
))TE>A ) - 2 A 95&
)4(-2
(
)(-
)(-2
8/17/2019 Pourbaix Hg S H2O
34/110
2 4 6 8 10 12
8/17/2019 Pourbaix Hg S H2O
35/110
12 14 16 18 20
-
-;
;-
-
-
g-;
:-
S(-2a)
8/17/2019 Pourbaix Hg S H2O
36/110
14 16 18 20
-
-;
;-
-
-
g-;
:-
-
-;
;-
-
-
g-;
:-
8/17/2019 Pourbaix Hg S H2O
37/110
14 16 18 20
8/17/2019 Pourbaix Hg S H2O
38/110
1 HSO4(-a) = SO4(-2a) + H(+a) $ogK =
= -$ogK
= 1.67288359
2 HSO4(-a) + 9H(+a) + 8e- = H2S(a) + 4H2O $ogK =
5.30946545
E = $ogK/8 - 9/8
E=5.282 - 1.125
3 SO4(-2a) + 10H(+a) + 8e- = H2S(a) + 4H2O $ogK =5.5185759
E = $ogK/8 -10/8
E=5.472 - 1.25
4 SO4(-2a) + 9H(+a) + 8e- = HS(-a) + 4H2O $ogK =
4.59604591
E = $ogK/8 - 9/8
E=4.5718 - 1.12
5 SO4(-2a) + 8H(+a) + 8e- = S(-2a) + 4H2O $ogK =
2.90263495
E = $ogK/8 -
E=2.8906 -
6 H2S(a) = HS(-a) + H(+a) $ogK =
= -$ogK
= 7.36689657
7 HS(-a) = S(-2a) + H(+a) $ogK =
= -$ogK
= 13.5472877
T = 5&
8/17/2019 Pourbaix Hg S H2O
39/110
1.00E-05
1 g(+2 + 2 = g( +2(+ $ogK = -6.5718
= -$ogK/2= 3.28592447
2 g( + 2 = g2(- + (+ $ogK = -15.7058
= -$ogK
= 15.7057898
3 g(+2 + g = g2(+2 $ogK = -1.9744
E: =
4 g2(+2 + 2- = 2g $ogK = 29.0450
E = $ogK/2 + $og /2 E = 12.0225045
5 2- + 2g( + 4(+ = g2(+2 + 22 $ogK = 46.1398
20.5699114
E = ($ogK + $og/2 -2
E = 20.569 - 2
7 g( + 2(+ + 2- = g + 2 $ogK = 37.5924
16.296208
E = ($ogK + $og/2 -
E = 16.2962 -
T = 5&
E: = E&:
8/17/2019 Pourbaix Hg S H2O
40/110
8 g2(- + 3(+ + 2- = g + 22 $ogK = 53.2982
24.1491029
E = ($ogK + $og/2 -3/2
E = 24.1491 -1.5
8/17/2019 Pourbaix Hg S H2O
41/110
-1.67288359 1 HSO4(-a) = SO4(-2a) + H(+a)
= -$ogK
42.4757236 2 HSO4(-a) + 9H(+a) + 8e- = H2S(a) + 4
E = $ogK/8 - 9/8
44.1486072 3 SO4(-2a) + 10H(+a) + 8e- = H2S(a) + 4
E = $ogK/8 -10/8
36.7683673 4 SO4(-2a) + 9H(+a) + 8e- = HS(-a) + 4
E = $ogK/8 - 9/8
5
23.2210796 5 SO4(-2a) + 8H(+a) + 8e- = S(-2a) + 4H
E = $ogK/8 -
-7.36689657 6 H2S(a) = HS(-a) + H(+a)
= -$ogK
-13.5472877 7 HS(-a) = S(-2a) + H(+a)
= -$ogK
T =
8/17/2019 Pourbaix Hg S H2O
42/110
1 g(+2 + 2 = g( +2(+
= -$ogK/2
2 g( + 2 = g2(- + (+
= -$ogK
3 g(+2 + g = g2(+2
4 g2(+2 + 2- = 2g
E = $ogK/2 + $og /2
5 2- + 2g( + 4(+ = g2(+2 +
E = ($ogK + $og/2 -2
6 g( + 2(+ + 2- = g + 2
E = ($ogK + $og/2 -
T =
E: = E&:
8/17/2019 Pourbaix Hg S H2O
43/110
7 g2(- + 3(+ + 2- = g + 22
E = ($ogK + $og/2 -3/2
8/17/2019 Pourbaix Hg S H2O
44/110
$ogK = -1.67288359 1
= -$ogK
= 1.67288359
2O $ogK = 38.855706 2 HS
4.85696325
E = $ogK/8 -
E=4.8337 - 1.125
2O $ogK = 40.8535104 3 SO45.1066888
E = $ogK/8 -
E=5.0677 - 1.25
2O $ogK = 33.706019 4 SO
4.21325237
E = $ogK/8 -
E=4.1851 - 1.125
2O $ogK = 20.7531176 5 SO
2.5941397
E = $ogK/8 -
E=2.5866 -
$ogK = -7.13993287 6
= -$ogK
= 7.13993287
$ogK = -12.9529014 7
= -$ogK
= 12.9529014
5&
8/17/2019 Pourbaix Hg S H2O
45/110
$ogK = -6.17049218 1 g(+2 +
= -$ogK/2= 3.08524609
$ogK = -15.0086149 2 g( + 2
= -$ogK
= 15.0086149
$ogK = -1.93699502 3 g(+2 +
E: =
$ogK = 26.9332419 4 g2(+2 +
E = 10.9666209 E = $ogK/2
$ogK = 43.1498388 5 2- + 2g(
19.0749194
E = ($ogK +
E = 19.0749 - 2
$ogK = 35.0415403 6 g( + 2
15.0207702
E = ($ogK +
E = 15.0208 -
5&
E: = E&:
8/17/2019 Pourbaix Hg S H2O
46/110
$ogK = 50.0501553 7 g2(- +
22.5250776
E = ($ogK +
E = 22.5251 -1.5
8/17/2019 Pourbaix Hg S H2O
47/110
HSO4(-a) = SO4(-2a) + H(+a) $ogK = -2.90541058
= 2.90541058
4(-a) + 9H(+a) + 8e- = H2S(a) + 4H2O $ogK = 29.2843006
3.66053758
9/8
E=3.6484 - 1.125
(-2a) + 10H(+a) + 8e- = H2S(a) + 4H2O $ogK = 32.14120274.01765034
10/8
E=4.0112 - 1.25
(-2a) + 9H(+a) + 8e- = HS(-a) + 4H2O $ogK = 25.6091034
3.20113793
9/8
E=3.1989 - 1.125
4(-2a) + 8H(+a) + 8e- = S(-2a) + 4H2O $ogK = 14.2277723
1.77847154
E=1.7826 -
H2S(a) = HS(-a) + H(+a) $ogK = -6.53983591
= 6.53983591
HS(-a) = S(-2a) + H(+a) $ogK = -11.3813311
= 11.3813311
T = 95&
8/17/2019 Pourbaix Hg S H2O
48/110
= g( +2(+ $ogK = -5.10929617
= 2.55464809
= g2(- + (+ $ogK = -13.1652695
= 13.1652695
= g2(+2 $ogK = -1.83814847
E: =
- = 2g $ogK = 21.3496836
$og /2 E = 8.17484181
+ 4(+ = g2(+2 + $ogK = 35.2442558
15.1221279
$og/2 -2
E = 15.1221 - 2
+ + 2- = g + 2 $ogK = 28.2969697
11.6484849
$og/2 -
E = 11.6485 -
T = 95&
8/17/2019 Pourbaix Hg S H2O
49/110
3(+ + 2- = g + 22 $ogK = 41.4622392
18.2311196
$og/2 -3/2
E = 18.2311 -1.5
8/17/2019 Pourbaix Hg S H2O
50/110
) 0.01 273
g 1.00E-05
96500
R 8.314
2.303
LogK
) g-2
1 g(+2 + 2 = g( +2(+ -6.572 -6.170
2 g( + 2 = g2(- + (+ -15.706 -15.009
3 g(+2 + g = g2(+2 -1.974 -1.937
4 g2(+2 + 2- = 2g 29.045 26.933
5 2- + 2g( + 4(+ = g2(+2 + 22 46.140 43.150
6 g( + 2(+ + 2- = g + 2 37.592 35.042
7 g2(- + 3(+ + 2- = g + 22 53.298 50.050
T1
T0
T
5& 25&
8/17/2019 Pourbaix Hg S H2O
51/110
5 273 0.003663
25 298 0.0033557
95 368 0.00271739
:
-5.109 0 0 -1 3.28592447
-13.165 0 0 -1 15.7057898
-1.838 0
21.350 2
35.244 2
28.297 2
41.462 2
5&
95&
8/17/2019 Pourbaix Hg S H2O
52/110
E = + *
: : '
25& 95& 5
8/17/2019 Pourbaix Hg S H2O
53/110
E: = ' + '*
' ' ' ' '
25& 95&
8/17/2019 Pourbaix Hg S H2O
54/110
!;o< E:
5&
8/17/2019 Pourbaix Hg S H2O
55/110
20181#1412108#420-2
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
5
5
5
5
5
5
5
5
5
5
5
5
Hg - H2O - S%te& at $!00 '
'HS'$E*HHg2$,O3567!e* *H
E ("olt)
HHgO2(-a)
Hg(a)
Hg(+2a) HgO(a)
ELE.E/TS .olalt% ,ee
Hg 1!000E-0$ 1!000E+00
20181#1412108#420-2
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
25
25
25
25
25
25
25
25
25
25
25
25
Hg - H2O - S%te& at 2$!00 '
'HS'$E*HHg2$,O3567!e* *H
E ("olt)
HHgO2(-a)
Hg(a)
Hg(+2a) HgO(a)
ELE.E/TS .olalt% ,ee
8/17/2019 Pourbaix Hg S H2O
56/110
20181#1412108#420-2
-1!$
-2!0
'HS'$E*HHg2$,O3567!e* *H
Hg(a)
ELE.E/TS .olalt% ,ee
Hg 1!000E-0$ 1!000E+00
20181#1412108#420-2
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
95
95
95
95
95
95
95
95
95
95
95
95
Hg - H2O - S%te& at 9$!00 '
'HS'$E*HHg2$,O3567!e* *H
E ("olt)
HHgO2(-a)
Hg(a)
Hg(+2a) HgO(a)
ELE.E/TS .olalt% ,ee
Hg 1!000E-0$ 1!000E+00
8/17/2019 Pourbaix Hg S H2O
57/110
20181#
55
*H
H2O limits
HHgO2(-a)
e
00
20181#
2525
*H
H2O limits
HHgO2(-a)
e
108#420-2
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
5
5
5
5
5
555
5
5
5
5
Hg - H2O - S%te& at $!00 '
'HS'$E*HHg2$,O3567!e*
E ("olt)
Hg
Hg(+2a)
Hg2(+2a)
HgO(a)
ELE.E/TS .olalt%
Hg 1!000E-0$
18#420-2
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
25
25
25
25
25
252525
25
25
25
25
Hg - H2O - S%te& at 2$!00
'HS'$E*H'E*HS2!E,T
E ("olt )
Hg
Hg(+2a)
Hg2(+2a)
HgO(a)
ELE.E/TS .olalt%
8/17/2019 Pourbaix Hg S H2O
58/110
20181#
*H
H2O limits
e
00
20181#
9595
*H
H2O limits
HHgO2(-a)
e
00
18#420-2
-1!$
-2!0
'HS'$E*H'E*HS2!E,T
Hg
ELE.E/TS .olalt%
Hg 1!000E-0$
18#420-2
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
95
95
95
95
95
959595
95
95
95
95
Hg - H2O - S%te& at 9$!00
'HS'$E*H'E*HS2!E,T
E ("olt )
Hg
Hg(+2a)
Hg2(+2a)
HgO(a)
ELE.E/TS .olalt%
Hg 1!000E-0$
8/17/2019 Pourbaix Hg S H2O
59/110
20181#1412108#
5
5
5
5
5
55
5
O - S%te& at $!00 '
e* *H
H2O limits
Hg
HHgO2(-a)HgO(a)
.olalt% ,ee
1!000E-0$ 1!000E+00
20181#1412108#
25
25
25
25
25
2525
25
H2O - S%te& at 2$!00 '
T *H
H2O limits
Hg
HHgO2(-a)
HgO(a)
.olalt% ,ee
8/17/2019 Pourbaix Hg S H2O
60/110
20181#1412108#
T *H
H2O limits
Hg
.olalt% ,ee
1!000E-0$ 1!000E+00
20181#1412108#
95
95
95
95
95
9595
95
H2O - S%te& at 9$!00 '
T *H
H2O limits
Hg
HHgO2(-a)
HgO(a)
.olalt% ,ee
1!000E-0$ 1!000E+00
8/17/2019 Pourbaix Hg S H2O
61/110
20181#1412108#420
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
S - H2O - S%te& at $!00 '
'HS'$E*H'E*HS1!E,T *H
E ("olt)
H2S(a)
HS(-a)
HSO4(-a)
S(-2a)
SO4(-2a)
ELE.E/TS .olalt% ,ee
S 1!000E-02 1!000E+00
20181#1412108#420
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
S - H2O - S%te& at 2$!00 '
'HS'$E*H'E*HS0!E,T *H
E ("olt)
H2S(a)
HS(-a)
HSO4(-a)
S(-2a)
SO4(-2a)
ELE.E/TS .olalt% ,ee
8/17/2019 Pourbaix Hg S H2O
62/110
20181#1412108#420
-1!$
-2!0
2525
'HS'$E*H'E*HS0!E,T *H
-
S(-2a)
ELE.E/TS .olalt% ,ee
S 1!000E-02 1!000E+00
20181#1412108#420
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
S - H2O - S%te& at 9$!00 '
'HS'$E*H'E*HS0!E,T *H
E ("olt)
H2S(a)
HS(-a)
HSO4(-a)
S(-2a)
SO4(-2a)
ELE.E/TS .olalt% ,ee
S 1!000E-02 1!000E+00
8/17/2019 Pourbaix Hg S H2O
63/110
20181#
55
*H
H2O limits
S(-2a)
e
00
20181#
2525
*H
H2O limits
S(-2a)
e
#420
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
Hg
Hg
Hg
Hg
Hg
Hg
Hg
Hg
HgHg
Hg
HgHg
HgHg
Hg
Hg - S - H2O
'HS'$E*HHgS2$$9$!e*
E ("olt)
HgS
Hg(+2a)
Hg2(+2a)
ELE.E/TS
Hg
S
#420
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
25
25
25
25
25
25
25
25
2525
25
2525
2525
25
Hg - S - H2OE ("olt)
HgS
Hg(+2a)
Hg2(+2a)
8/17/2019 Pourbaix Hg S H2O
64/110
20181#
*H
H2O limits
S(-2a)
e
00
20181#
55
*H
H2O limits
a)
e
00
#420
-1!0
-1!$
-2!0
'HS'$E*HHgS2$$9$!e*
ELE.E/TS
Hg S
#420
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
95
95
95
95
95
95
95
95
9595
95
9595
9595
95
Hg - S - H2O
'HS'$E*HHgS2$$9$!e*
E ("olt)
HgS
Hg(+2a)
Hg2(+2a)
ELE.E/TS
Hg
S
8/17/2019 Pourbaix Hg S H2O
65/110
20181#1412108#4
Hg
Hg
Hg
Hg
HgHg
Hg
Hg
Hg
Hg
Hg
Hg
HgHg
Hg
HgHg
Hg
Hg
Hg
Hg - S - H2O - S%te& at $!00 '
HgS2$$9$!e* *H
H2O limits
HgS
Hg
)
HHgO2(-a)HgO(a)
.E/TS .olalt% ,ee
1!000E-0$ 1!000E+00
1!000E-02 1!000E+00
20181#1412108#4
25
25
25
25
2525
25
25
25
25
25
25
2525
25
2525
25
25
25
Hg - S - H2O - S%te& at 2$!00 '
H2O limits
HgS
Hg
HHgO2(-a)
HgO(a)
8/17/2019 Pourbaix Hg S H2O
66/110
20181#1412108#4
HgS2$$9$!e* *H
H2O limits
Hg
.E/TS .olalt% ,ee
1!000E-0$ 1!000E+001!000E-02 1!000E+00
20181#1412108#4
95
95
95
95
9595
95
95
95
95
95
95
959595
95
95
9595
95
95
95
Hg - S - H2O - S%te& at 9$!00 '
HgS2$$9$!e* *H
H2O limits
Hg
)
HHgO2(-a)
HgO(a)
.E/TS .olalt% ,ee
1!000E-0$ 1!000E+00
1!000E-02 1!000E+00
8/17/2019 Pourbaix Hg S H2O
67/110
mits
1#1412108#420
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
S - Hg - H2O - S%te& at $!00 '
'HS'$E*HHgS2$$9$!e*
E ("olt)
HgS
H2S(a)
HS(-a)
HSO4(-a) SO4(-2a)
ELE.E/TS .olalt% ,ee
Hg 1!000E-0$ 1!000E+00
S 1!000E-02 1!000E+00
mits
1#1412108#420
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
S - Hg - H2O - S%te& at 2$!00 'E ("olt)
HgS
H2S(a)
HS(-a)
HSO4(-a) SO4(-2a)
8/17/2019 Pourbaix Hg S H2O
68/110
mits
1#1412108#420
-1!0
-1!$
-2!0
25
25
25
25
'HS'$E*HHgS2$$9$!e*
H2S(a)
HS(-a)
ELE.E/TS .olalt% ,ee
Hg 1!000E-0$ 1!000E+00S 1!000E-02 1!000E+00
mits
1#1412108#420
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
95
95
95
95
95
95
95
95
95
95
95
9595
95
95
95
95
95
95
95
S - Hg - H2O - S%te& at 9$!00 '
'HS'$E*HHgS2$$9$!e*
E ("olt)
HgS
H2S(a)
HS(-a)
HSO4(-a)
SO4(-2a)
ELE.E/TS .olalt% ,ee
Hg 1!000E-0$ 1!000E+00
S 1!000E-02 1!000E+00
8/17/2019 Pourbaix Hg S H2O
69/110
20181#14
55
*H
H2O limits
HS(-a)
,ee
1!000E+00
1!000E+00
20181#14
2525
H2O limits
HS(-a)
#420
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
5
5
5
5
5
5
5
5
55
5
55
55
5
5
5
5
5
5
5
5
5
5
5
Hg - S - H2O
'HS'$E*HHgS2$$9$!e*
E ("olt)
HgS
Hg(+2a)
Hg2(+2a)
HgS
H2S(a)
HSO4(-a)
ELE.E/TS
Hg
S
#420
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
25
25
2525
25
25
25
25
25
25
2525
25
2525
2525
25
25
25
25
25
25
25
25
25
25
25
Hg - S - H2OE ("olt)
HgS
Hg(+2a)
Hg2(+2a)
HgS
H2S(a)
HSO4(-a)
8/17/2019 Pourbaix Hg S H2O
70/110
20181#14
2525
*H
H2O limits
HS(-a)
,ee
1!000E+00 1!000E+00
20181#14
9595
*H
H2O limits
HS(-a)
,ee
1!000E+00
1!000E+00
#420
2!0
1!$
1!0
0!$
0!0
-0!$
-1!0
-1!$
-2!0
95
95
9595
95
95
95
95
95
95
9595
95
9595
9595
95
95
95
95
9595
95
95
95
95
95
Hg - S - H2O
'HS'$E*HHgS2$$9$!e*
E ("olt)
HgS
Hg(+2a)
Hg2(+2a)
HgS
H2S(a)
HSO4(-a)
ELE.E/TS
Hg
S
#420
-1!0
-1!$
-2!0
2525
'HS'$E*HHgS2$$9$!e*
H2S(a)
ELE.E/TS
Hg S
8/17/2019 Pourbaix Hg S H2O
71/110
20181#1412108#4
5
5
5
5
55
5
5
5
5
5
5
55
5
55
5
5
5
5
5
5
5
5
5
5
Hg - S - H2O - S%te& at $!00 '
HgS2$$9$!e* *H
H2O limits
HgS
Hg
HHgO2(-a)HgO(a)
HgS
H2S(a)
HS(-a)
SO4(-2a)
.E/TS .olalt% ,ee
1!000E-0$ 1!000E+00
1!000E-02 1!000E+00
20181#1412108#4
25
25
25
25
2525
25
25
25
25
25
25
2525
25
2525
25
25
25
25
25
25
25
25
25
25
Hg - S - H2O - S%te& at 2$!00 '
H2O limits
HgS
Hg
HHgO2(-a)
HgO(a)
HgS
H2S(a)
HS(-a)
SO4(-2a)
8/17/2019 Pourbaix Hg S H2O
72/110
20181#1412108#4
95
95
95
95
9595
9595
95
95
95
95
95
95
959595
95
95
9595
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
Hg - S - H2O - S%te& at 9$!00 '
HgS2$$9$!e* *H
H2O limits
Hg
)
HHgO2(-a)
HgO(a)
2S(a)
HS(-a)
SO4(-2a)
.E/TS .olalt% ,ee
1!000E-0$ 1!000E+00
1!000E-02 1!000E+00
20181#1412108#4
25
25
25
25
HgS2$$9$!e* *H
H2O limits
Hg
H2S(a)
HS(-a)
.E/TS .olalt% ,ee
1!000E-0$ 1!000E+001!000E-02 1!000E+00
8/17/2019 Pourbaix Hg S H2O
73/110
mits
mits
8/17/2019 Pourbaix Hg S H2O
74/110
mits
mits
8/17/2019 Pourbaix Hg S H2O
75/110
SISTEMA Hg - H2O
1 Hg(+2a) + H2O = HgO(a) +2H(+a)
1/T T deltaH deltaS deltaG
K kJ J/K kJ
0.003595182 278.150 39.490 15.123 35.283
0.003531697 283.150 38.360 11.097 35.218
0.003470415 288.150 37.299 7.381 35.172
0.003411223 293.150 36.293 3.921 35.144
0.003354016 298.150 35.334 0.676 35.132
0.003298697 303.150 34.413 -2.388 35.137
0.003245173 308.150 33.524 -5.297 35.156
0.003193358 313.150 32.662 -8.070 35.189
0.003143171 318.150 31.825 -10.723 35.237
0.003094538 323.150 31.010 -13.265 35.297
0.003047387 328.150 30.217 -15.700 35.369
0.003001651 333.150 29.447 -18.030 35.453
0.002957267 338.150 28.694 -20.273 35.549
0.002914177 343.150 27.959 -22.431 35.656
0.002872325 348.150 27.241 -24.507 35.773
0.002831658 353.150 26.541 -26.505 35.901
0.002792126 358.150 25.857 -28.427 36.038
0.002753683 363.150 25.190 -30.276 36.185
0.002716284 368.150 24.541 -32.052 36.341
o&la . 'o:;! 6&o:t
g/&ol
8/17/2019 Pourbaix Hg S H2O
76/110
0.003245173 308.150 56.445 -97.731 86.561
0.003193358 313.150 55.968 -99.268 87.054
0.003143171 318.150 55.482 -100.806 87.554
0.003094538 323.150 54.988 -102.348 88.062
0.003047387 328.150 54.484 -103.896 88.577
0.003001651 333.150 53.971 -105.448 89.101
0.002957267 338.150 53.448 -107.006 89.6320.002914177 343.150 52.912 -108.578 90.171
0.002872325 348.150 52.364 -110.165 90.718
0.002831658 353.150 51.801 -111.770 91.272
0.002792126 358.150 51.223 -113.394 91.835
0.002753683 363.150 50.630 -115.040 92.406
0.002716284 368.150 50.019 -116.710 92.986
o&la . 'o:;! 6&o:t
g/&ol
8/17/2019 Pourbaix Hg S H2O
77/110
o&la . 'o:;! 6&o:t
g/&ol
8/17/2019 Pourbaix Hg S H2O
78/110
0.003470415 288.150 -248.228 -7.671 -246.018
0.003411223 293.150 -246.117 -0.409 -245.998
0.003354016 298.150 -244.136 6.292 -246.013
0.003298697 303.150 -242.258 12.541 -246.060
0.003245173 308.150 -240.460 18.425 -246.137
0.003193358 313.150 -238.726 24.006 -246.244
0.003143171 318.150 -237.046 29.328 -246.3770.003094538 323.150 -235.414 34.418 -246.536
0.003047387 328.150 -233.827 39.291 -246.721
0.003001651 333.150 -232.288 43.946 -246.929
0.002957267 338.150 -230.783 48.430 -247.160
0.002914177 343.150 -229.308 52.760 -247.413
0.002872325 348.150 -227.862 56.946 -247.687
0.002831658 353.150 -226.441 60.997 -247.982
0.002792126 358.150 -225.046 64.921 -248.297
0.002753683 363.150 -223.674 68.724 -248.631
0.002716284 368.150 -222.325 72.414 -248.984
o&la . 'o:;! 6&o:t
g/&ol
8/17/2019 Pourbaix Hg S H2O
79/110
0.002872325 348.150 -198.032 4.222 -199.502
0.002831658 353.150 -197.374 6.101 -199.528
0.002792126 358.150 -196.724 7.928 -199.563
0.002753683 363.150 -196.082 9.708 -199.607
0.002716284 368.150 -195.447 11.445 -199.660
o&la . 'o:;! 6&o:tg/&ol
8/17/2019 Pourbaix Hg S H2O
80/110
Hg 200.590 84.773 1.000
H2O 18.015 15.227 2.000
8/17/2019 Pourbaix Hg S H2O
81/110
K Log(K)
B A
2.363E-007 -6.627 -1662.499975 -0.5916332
3.181E-007 -6.497 25.44946984 0.07961668
4.204E-007 -6.376 0.996032139 0.029558045
5.463E-007 -6.263 4267.424197 17
6.989E-007 -6.156 3.728354845 0.014852527
8.815E-007 -6.055
1.097E-006 -5.960 0.012273849 31.51954147
1.348E-006 -5.870 0.001507538 0.488907318
1.638E-006 -5.786 0.795885172 0.179959926
1.968E-006 -5.706 66.286453 17
2.342E-006 -5.630 2.146724886 0.550554773
2.759E-006 -5.559
3.223E-006 -5.492
3.732E-006 -5.428
4.289E-006 -5.368
4.891E-006 -5.311
5.540E-006 -5.256
6.234E-006 -5.205
6.972E-006 -5.157
6&o:t "ol&e
g l o &l
200.590 0.000 ml
18.015 19.646 ml
g l o &l
216.589 0.000 ml
2.016 0.000 ml
K Log(K)
B A
1.849E-016 -15.733 -2887.837624 -5.317884661
2.903E-016 -15.537 15.4368917 0.048293111
4.470E-016 -15.350 0.999514474 0.017929031
6.760E-016 -15.170 34996.59775 17
1.005E-015 -14.998 11.24966229 0.005464653
1.470E-015 -14.833
8/17/2019 Pourbaix Hg S H2O
82/110
2.117E-015 -14.674 0.102377409 55.09507864
3.005E-015 -14.522 0.000924384 0.299785626
4.207E-015 -14.376 0.998615973 0.110346884
5.812E-015 -14.236 12266.0007 17
7.928E-015 -14.101 149.356157 0.206999391
1.068E-014 -13.971
1.423E-014 -13.8471.875E-014 -13.727
2.444E-014 -13.612
3.153E-014 -13.501
4.028E-014 -13.395
5.098E-014 -13.293
6.393E-014 -13.194
6&o:t "ol&e
g l o &l
216.589 0.000 ml18.015 19.646 ml
g l o &l
233.597 0.000 ml
1.008 0.000 ml
K Log(K)
B A
9.574E+001 1.981156.3751257 1.413057531
9.301E+001 1.969 2.386082516 0.007464673
9.057E+001 1.957 0.996057525 0.002771293
8.835E+001 1.946 4295.012445 17
8.634E+001 1.936 0.032985972 0.000130561
8.449E+001 1.927
8.278E+001 1.918 -0.027138097 -2.96504677
8.120E+001 1.910 0.000140208 0.045470621
7.974E+001 1.902 0.999546436 0.016737098
7.838E+001 1.894 37463.93142 17
7.712E+001 1.887 10.49478769 0.004762218
7.594E+001 1.880
7.484E+001 1.874
7.380E+001 1.868
7.284E+001 1.862
7.193E+001 1.857
7.108E+001 1.852
7.029E+001 1.847
6.954E+001 1.842
8/17/2019 Pourbaix Hg S H2O
83/110
6&o:t "ol&e
g l o &l
200.590 0.000 ml
200.590 14.822 ml
g l o &l
401.180 0.000 ml
K E v! SHE LogK
" B A
1.044E+029 0.801 29.019 8747.361913 -2.420321586
2.931E+028 0.800 28.467 4.171666102 0.013050732
8.592E+027 0.799 27.934 0.999996134 0.004845142
2.623E+027 0.798 27.419 4396783.79 17
8.326E+026 0.797 26.920 103.216264 0.0003990822.742E+026 0.796 26.438
9.351E+025 0.794 25.971 0.046487055 -167.4989296
3.297E+025 0.793 25.518 0.000246908 0.080074381
1.200E+025 0.792 25.079 0.999520656 0.029474256
4.506E+024 0.791 24.654 35448.12087 17
1.741E+024 0.790 24.241 30.79490948 0.01476844
6.917E+023 0.788 23.840
2.822E+023 0.787 23.451
1.181E+023 0.786 23.072
5.067E+022 0.785 22.7052.225E+022 0.783 22.347
9.991E+021 0.782 22.000
4.585E+021 0.781 21.661
2.148E+021 0.780 21.332
6&o:t "ol&e
g l o &l
401.180 0.000 ml
0.001 0.000 ml
g l o &l
401.180 29.643 ml
2O
K Log(K)
" B A
1.713E+046 46.234 12385.11211 1.589059876
2.506E+045 45.399 51.49212196 0.161089085
8/17/2019 Pourbaix Hg S H2O
84/110
3.988E+044 44.601 0.999706233 0.059805037
6.863E+043 43.836 57851.99049 17
1.270E+043 43.104 206.9158833 0.060802921
2.519E+042 42.401
5.325E+041 41.726 -0.032336837 -236.4681061
1.196E+041 41.078 0.003048194 0.988554921
2.845E+040 40.454 0.868767163 0.36387327.145E+039 39.854 112.5407492 17
1.888E+039 39.276 14.90081221 2.250862991
5.239E+038 38.719
1.522E+038 38.182
4.620E+037 37.665
1.462E+037 37.165
4.811E+036 36.682
1.645E+036 36.216
5.828E+035 35.766
2.137E+035 35.330
6&o:t "ol&e
g l o &l
0.001 0.000 ml
433.179 0.000 ml
4.032 0.000 ml
g l o &l
401.180 0.000 ml
36.030 39.292 ml
K E v! SHE Log(K)
"
4.229E+037 1.039 37.626 10566.23701 -0.415630855
8.571E+036 1.038 36.933 23.66054737 0.074020176
1.851E+036 1.037 36.267 0.999914764 0.027480318
4.243E+035 1.037 35.628 199430.2902 17
1.029E+035 1.036 35.012 150.603353 0.012837854
2.628E+034 1.036 34.420
7.056E+033 1.035 33.849 0.007075109 -201.9835178
1.986E+033 1.035 33.298 0.001400662 0.454246423
5.845E+032 1.035 32.767 0.60014333 0.167201737
1.794E+032 1.035 32.254 25.5152343 17
5.734E+031 1.035 31.758 0.713314624 0.475259152
1.904E+031 1.034 31.280
6.554E+030 1.034 30.817
2.336E+030 1.034 30.368
8/17/2019 Pourbaix Hg S H2O
85/110
8.606E+029 1.035 29.935
3.272E+029 1.035 29.515
1.282E+029 1.035 29.108
5.169E+028 1.035 28.713
2.143E+028 1.035 28.331
6&o:t "ol&eg l o &l
216.589 0.000 ml
2.016 0.000 ml
0.001 0.000 ml
g l o &l
200.590 14.822 ml
18.015 19.646 ml
OK E v! SHE Log(K)
"
2.287E+053 1.473 53.359 13454.07464 4.902253805
2.952E+052 1.475 52.470 39.06961736 0.122226249
4.141E+051 1.476 51.617 0.999856663 0.045377037
6.277E+050 1.478 50.798 118584.8885 17
1.023E+050 1.480 50.010 244.1752325 0.035004283
1.788E+049 1.482 49.252
3.333E+048 1.484 48.523 -0.0953023 -257.0785965
6.608E+047 1.487 47.8200.002323402 0.753498573
1.389E+047 1.489 47.143 0.98999713 0.277352255
3.087E+046 1.491 46.490 1682.512206 17
7.232E+045 1.494 45.859 129.426029 1.307712648
1.782E+045 1.496 45.251
4.605E+044 1.499 44.663
1.246E+044 1.502 44.095
3.521E+043 1.505 43.547
1.038E+043 1.508 43.016
3.182E+042 1.511 42.503
1.014E+042 1.514 42.006
3.352E+041 1.518 41.525
6&o:t "ol&e
g l o &l
233.597 0.000 ml
3.024 0.000 ml
0.001 0.000 ml
g l o &l
8/17/2019 Pourbaix Hg S H2O
86/110
200.590 14.822 ml
36.030 39.292 ml
8/17/2019 Pourbaix Hg S H2O
87/110
2,303 T5 278
8,314 T25 298
1.00E+09 T95 368
LogK= A´ + B´*(1/T A + B*T
B´ A´ B A
1 -1662.5000 -0.5916
2 -2887.8376 -5.3179
3 -0.0271 -2.9650
4 8747.3619 -2.4203
5 12385.1121 1.5891
6 10566.2370 -0.4156
7 13454.0746 4.9023
∆"#=
$og =%( ^0/(2.303 ∆ ×
8/17/2019 Pourbaix Hg S H2O
88/110
8/17/2019 Pourbaix Hg S H2O
89/110
8/17/2019 Pourbaix Hg S H2O
90/110
8/17/2019 Pourbaix Hg S H2O
91/110
8/17/2019 Pourbaix Hg S H2O
92/110
8/17/2019 Pourbaix Hg S H2O
93/110
LogK LogK LogK
-6.5718 -6.1705 -5.1093
-15.7058 -15.0086 -13.1653
-1.9744 -1.9370 -1.8381
29.0450 26.9332 21.3497
46.1398 43.1498 35.2443
37.5924 35.0415 28.2970
53.2982 50.0502 41.4622
5& 25& 95&
8/17/2019 Pourbaix Hg S H2O
94/110
8/17/2019 Pourbaix Hg S H2O
95/110
8/17/2019 Pourbaix Hg S H2O
96/110
8/17/2019 Pourbaix Hg S H2O
97/110
8/17/2019 Pourbaix Hg S H2O
98/110
8/17/2019 Pourbaix Hg S H2O
99/110
SISTEMA Hg - S - H2O
1 HSO4(-a) + Hg + ?H(+a) + #e- = HgS + 4H2O
T deltaH deltaS deltaG
K kJ J/K kJ
278.150 -317.579 -243.583 -249.826
283.150 -316.457 -239.585 -248.618
288.150 -315.361 -235.749 -247.430
293.150 -314.284 -232.044 -246.260
298.150 -313.220 -228.445 -245.109
303.150 -312.163 -224.930 -243.976
308.150 -311.108 -221.477 -242.860
313.150 -310.051 -218.074 -241.761
318.150 -308.990 -214.714 -240.679
323.150 -307.925 -211.391 -239.614
328.150 -306.854 -208.102 -238.565
333.150 -305.778 -204.849 -237.533
338.150 -304.696 -201.625 -236.517
343.150 -303.605 -198.421 -235.516
348.150 -302.504 -195.237 -234.532
353.150 -301.393 -192.068 -233.564
358.150 -300.270 -188.912 -232.612
363.150 -299.135 -185.765 -231.675
368.150 -297.987 -182.625 -230.754
o&la . 'o:;! 6&o:t
g/&ol
8/17/2019 Pourbaix Hg S H2O
100/110
308.150 -287.882 -105.793 -255.281
313.150 -285.545 -98.271 -254.771
318.150 -283.241 -90.971 -254.298
323.150 -280.960 -83.858 -253.861
328.150 -278.700 -76.918 -253.459
333.150 -276.463 -70.153 -253.092
338.150 -274.235 -63.515 -252.758343.150 -272.005 -56.968 -252.457
348.150 -269.769 -50.499 -252.188
353.150 -267.524 -44.096 -251.951
358.150 -265.266 -37.747 -251.747
363.150 -262.991 -31.439 -251.574
368.150 -260.696 -25.162 -251.432
o&la . 'o:;! 6&o:t
g/&ol
8/17/2019 Pourbaix Hg S H2O
101/110
363.150 26.061 6.176 23.818
368.150 26.508 7.398 23.785
o&la . 'o:;! 6&o:t
g/&ol
8/17/2019 Pourbaix Hg S H2O
102/110
K E v! SHE
"
8.308E+046 0.432
7.381E+045 0.430
7.191E+044 0.428
7.644E+043 0.426
8.825E+042 0.424
1.102E+042 0.422
1.482E+041 0.420
2.138E+040 0.418
3.300E+039 0.416
5.431E+038 0.414
9.501E+037 0.412
1.762E+037 0.411
3.453E+036 0.409
7.137E+035 0.407
1.552E+035 0.405
3.544E+034 0.404
8.477E+033 0.402
2.120E+033 0.400
5.534E+032 0.399
6&o:t "ol&e
g l o &l
97.066 0.000 ml
200.590 14.822 ml
7.055 0.000 ml
0.003 0.000 ml
g l o &l
232.650 28.476 ml
72.061 78.583 ml
K E v! SHE
"
4.831E+048 0.448
4.800E+047 0.447
5.282E+046 0.445
6.392E+045 0.444
8.455E+044 0.443
1.215E+044 0.442
8/17/2019 Pourbaix Hg S H2O
103/110
1.890E+043 0.441
3.165E+042 0.440
5.686E+041 0.440
1.092E+041 0.439
2.233E+040 0.438
4.849E+039 0.437
1.115E+039 0.4372.706E+038 0.436
6.920E+037 0.436
1.860E+037 0.436
5.239E+036 0.435
1.545E+036 0.435
4.756E+035 0.435
6&o:t "ol&e
g l o &l
96.058 0.000 ml200.590 14.822 ml
8.063 0.000 ml
0.003 0.000 ml
g l o &l
232.650 28.476 ml
72.061 78.583 ml
K E v! SHE
"
4.354E-005 -0.120
4.940E-005 -0.121
5.618E-005 -0.122
6.396E-005 -0.122
7.287E-005 -0.122
8.303E-005 -0.123
9.459E-005 -0.123
1.077E-004 -0.123
1.226E-004 -0.124
1.394E-004 -0.124
1.583E-004 -0.124
1.797E-004 -0.124
2.037E-004 -0.124
2.307E-004 -0.124
2.609E-004 -0.124
2.947E-004 -0.124
3.325E-004 -0.124
8/17/2019 Pourbaix Hg S H2O
104/110
3.747E-004 -0.124
4.218E-004 -0.123
6&o:t "ol&e
g l o &l
232.650 28.476 ml
2.016 0.000 ml0.001 0.000 ml
g l o &l
34.076 0.000 ml
200.590 14.822 ml
K E v! SHE
"
1.493E-012 -0.3272.117E-012 -0.328
2.946E-012 -0.330
4.030E-012 -0.332
5.428E-012 -0.333
7.204E-012 -0.335
9.431E-012 -0.337
1.219E-011 -0.339
1.557E-011 -0.341
1.966E-011 -0.343
2.456E-011 -0.3463.036E-011 -0.348
3.718E-011 -0.350
4.511E-011 -0.352
5.425E-011 -0.355
6.469E-011 -0.357
7.653E-011 -0.360
8.984E-011 -0.362
1.047E-010 -0.365
6&o:t "ol&e
g l o &l
232.650 28.476 ml
1.008 0.000 ml
0.001 0.000 ml
g l o &l
33.068 0.000 ml
200.590 14.822 ml
8/17/2019 Pourbaix Hg S H2O
105/110
)6Eg25.
T!C! = 25.000
D$ " o 2 = -56.678 $/o$
D$! o = 78.382
o )!g: = 0.000
@ < @ < 0.000 -2.000 20.000 2.000
ELE>EFT) >o$$G H!C!
g 0.000 1.000
)HEE) D$" / T1
$/o$
g 0.000
g2(- -45.137 Hg
g(+2 39.364 HHgO2(-a)g2(+2 36.722 Hg(+2a)
g( -8.918 Hg2(+2a)
g(2( -64.559 HgO(a)
g(+ -12.652 Hg(OH)2(a)
HgOH(+a)
LABEL) A! Fo I J @
g 1 10.000 -1.478
g2(- 2 17.498 1.011
g(+2 3 1.539 1.245
g2(+2 4 2.098 0.610
g( 5 9.037 1.188
LFE) A! Fo I1 J1 @ I2 J2 @
g 1 20.000 -0.473 14.996 -0.029
g 1 14.996 -0.029 4.196 0.610
g 1 4.196 0.610 0.000 0.610
g 1 0.000 -2.000 0.000 0.610
g 1 20.000 -0.473 20.000 -2.000
g 1 20.000 -2.000 0.000 -2.000
g2(- 2 20.000 -0.473 14.996 -0.029
g2(- 2 14.996 -0.029 14.996 2.000
g2(- 2 14.996 2.000 20.000 2.000
g2(- 2 20.000 2.000 20.000 -0.473
g(+2 3 3.077 2.000 3.077 0.742
g(+2 3 3.077 0.742 0.000 0.742
g(+2 3 0.000 0.742 0.000 2.000
g(+2 3 0.000 2.000 3.077 2.000
g2(+2 4 0.000 0.742 3.077 0.742
8/17/2019 Pourbaix Hg S H2O
106/110
g2(+2 4 3.077 0.742 4.196 0.610
g2(+2 4 4.196 0.610 0.000 0.610
g2(+2 4 0.000 0.610 0.000 0.742
g( 5 14.996 2.000 14.996 -0.029
g( 5 14.996 -0.029 4.196 0.610
g( 5 4.196 0.610 3.077 0.742
g( 5 3.077 0.742 3.077 2.000g( 5 3.077 2.000 14.996 2.000
3.07706999778748 0 0.000 0.000 0.000 0.000
3.07706999778748 0 0.000 0.000 0.000 0.000
14.9961004257202 0 0.000 0.000 0.000 0.000
8/17/2019 Pourbaix Hg S H2O
107/110
25 5 95
0.000 0.000 0.000 Hg
-45.137 -47.023 -38.064 HgS39.363 39.450 39.034 HgSO4
36.722 36.929 35.931 S
-8.918 -9.581 -6.284 HHgO2(-a)
-64.559 -65.909 -59.625 H2S(a)
-12.652 -13.199 -11.070 HS(-a)
HSO4(-a)
Hg(+2a)
Hg2(+2a)
HgO(a)
Hg(OH)2(a)
SO4(-2a)
8/17/2019 Pourbaix Hg S H2O
108/110
8/17/2019 Pourbaix Hg S H2O
109/110
25 5 95
0.000 0.000 0.000
-12.480 -12.588 -12.096-131.179 -132.494 -126.565
0.000 0.000 0.000
-45.137 -47.023 -38.064
-6.607 -6.807 -6.190
2.973 2.541 4.820
-180.524 -182.619 -172.978
39.363 39.450 39.034
36.722 36.929 35.931
-8.918 -9.581 -6.284
-64.559 -65.909 -59.625
-177.907 -180.488 -168.017
8/17/2019 Pourbaix Hg S H2O
110/110