Ε.Π. Εκπαίδευση και Δια Βίου Μάθηση, ΕΣΠΑ (2007 – 2013) ΕΠΙΜΟΡΦΩΣΗ ΕΚΠΑΙΔΕΥΤΙΚΩΝ ΓΙΑ ΤΗΝ ΑΞΙΟΠΟΙΗΣΗ ΚΑΙ ΕΦΑΡΜΟΓΗ ΤΩΝ ΤΠΕ ΣΤΗ ΔΙΔΑΚΤΙΚΗ ΠΡΑΞΗ Επιμορφωτικό υλικό για την επιμόρφωση των εκπαιδευτικών στα Κέντρα Στήριξης Επιμόρφωσης Τεύχος 5: Κλάδος ΠΕ04 Α’ έκδοση (05.02.2010) Τομέας Ειμόρφωσης & Κατάρτισης Πάτρα, Φεβρουάριος 2010
77. - 5: 04 - () 78 5.5. . 6. 6: 6.1. . 6.2. . 6.3. . 6.4. . 7.
7: 7.1. 20 0 C. 7.2. 30 0 C. 7.3. 20 0 C. 7.4. 80 0 C. 7.5. 80 0 C.
7.6. . 7.7. 8. 8: II 8.1. , 20 0 C 80 0 C. 8.2. : 200 g 20 0 C 100
g 80 0 C. 8.3. - : 100 g 20 0 C 200 g 80 0 C. 8.4. 20 0 C 80 0 C.
8.5. , , 50 g 60 0 C 200 g 20 0 C. 8.6. 20 0 C, 50 g 80 0 C, 30 0
C. 8.7. .
126. : : .1 (. 129) ... 1 : ; 1.1 , , : 100 g. : 20 o C 40 o C
( ). . 60 o C: ........... ............... . ( 20 o C) :
................ ........... ................ ( 40 o C). .
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1.2 . , . , ( 1.3. 1.3.) : .........................
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127. : : .1 (. 130) 1.3 . 250 mL . () () . 100 g , 20 C 40 C.
(181,5 J/s). . . , , 60 C, stop . .1 60 o C; :
.......................... = 20 o C .............. = 40 o C .2 60 C
.............................. t1 = . s ( ) ;
...................................................1 = ... C ( = -
) ; ...................................... Q1 = ... J ( Q = x , Q1
= 180 x t1) .3 60 C; ............ = ... C : ........ ...........
............ ; 60 C 2 . .4 2 , 60 C;.................... t2 = . s (
) 2 , ; ........................... Q2 = ... J ( Q = x ) 2 , ;
................2 = ... C
128. : : .1 (. 131) 1.4 . 60 o C: ...... ...... : ...... ......
. 20 o C : ........ ........... ................ , 40 o C. 20 o C :
........ ........... ................ , 40 o C. , ;
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1.5 . , 200 g 30 C ............................. 200 g 40 C 60 o C
: .......... ...... . . 200 g 30 C : ........ ...................
............. 200 g 40 C. 1.6 . , , , , ;
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129. : : .2 (. 133) ... 2 : ; 2.1 , , : 20 o C. 100g 200g ( ).
. 50 o C: 100g ....... 200g ............ ; . 20 o C 50 o C 100g , :
............ ........... ................ 200g . .
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2.2 . . , . :
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130. : : .2 (. 134) . , 2.3. :
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2.3 . . 200 g , 20 C, 250 ml 100 g 200 g . (181,5 J/s). . : , , 50
C, stop . .1 50 o C; :....... 100 g ......... 200 g ; .2 50 C
.............................. t1 = . s ( ) ;
.................................. Q1 = ... J ( Q = x ) ;
...............................................1 = ... C ( = - ) .3
50 C; ............ = ... C : ........ ........... ............ ; ,
, 50 C 2 . .4 2 , 50 C;.................... t2 = . s ( )
131. : : .2 (. 135) 2 , ; ........................... Q2 = ...
J ( Q = x ) 2 , ; ................2 = ... C 2.4 . 50 o C : 100 g
............... 200 g...................... 50 o C : 100 g
............... 200 g...................... . 100 g :
.............. ........... ................ 200 g. 100 g :
.............. ........... ................ 200 g. , ;
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2.5 . , , 200 g 400 g 20 C, 200 g 60 o C : ............... ,
........ , .... 400 g. . 200 g : ............... , ........ , ....
400 g . 2.6 , , , , ;
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