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KINETICENERGY
PERIODIC TRENDS
STOICHIO-METRY
GAS LAWS
MOLECULARSTRUCUTRES
MOLECULAR STRUCTURESMOLECULAR STRUCTURESQuestion 1Question 1
What is the weakest What is the weakest intermolecular force?intermolecular force?
London Dispersion London Dispersion ForcesForces
BOOM!BOOM!
MOLECULAR STRUCTURESMOLECULAR STRUCTURESQuestion 2Question 2
What are the What are the strongest strongest
intermolecular intermolecular forces?forces?
Hydrogen BondsHydrogen Bonds
40pts40pts
MOLECULAR STRUCTURESMOLECULAR STRUCTURESQuestion 3Question 3
What structure does NHWhat structure does NH33
have?have?
Trigonal PlanarTrigonal Planar
SWITCH!SWITCH!
MOLECULAR STRUCTURESMOLECULAR STRUCTURESQuestion 4Question 4
What bond angles does SFWhat bond angles does SF66
havehave??
9090oo
100pts100pts
MOLECULAR STRUCTURESMOLECULAR STRUCTURESQuestion 5Question 5
What are the two possible What are the two possible bond angles for bent bond angles for bent
structures?structures?
120120oo and 105 and 105oo
BOOM!BOOM!
KINETIC ENERGYKINETIC ENERGYQuestion 1Question 1
What are the 3 parts of the What are the 3 parts of the Kinetic Theory of MatterKinetic Theory of Matter??
1)1) All matter is made of All matter is made of particlesparticles
2)2) All particles are under All particles are under Brownian motionBrownian motion
3)3) All particles have complete All particles have complete elastic collisions elastic collisions
50pts50pts
KINETIC ENERGYKINETIC ENERGYQuestion 2Question 2
What is the most common What is the most common state of matter in the state of matter in the
universe?universe?
PlasmaPlasma
10pts10pts
KINETIC ENERGYKINETIC ENERGYQuestion 3Question 3
What is absolute zero?What is absolute zero?
The temperature at The temperature at which all kinetic motion which all kinetic motion
stops;stops;0 K0 K
BOOM!BOOM!
KINETIC ENERGYKINETIC ENERGYQuestion 4Question 4
What is happening at “J”?What is happening at “J”?
CondensationCondensation
SWITCH!SWITCH!
KINETIC ENERGYKINETIC ENERGYQuestion 5Question 5
What is it called when What is it called when atmospheric pressure and atmospheric pressure and vapor pressure on a liquid vapor pressure on a liquid
are equal?are equal?
Boiling pointBoiling point
BOOM!BOOM!
PERODIC TRENDSPERODIC TRENDSQuestion 1Question 1
Which has a smaller Which has a smaller atomic radii, F or Li?atomic radii, F or Li?
FluorineFluorine
BOOM!BOOM!
PERIODIC TRENDSPERIODIC TRENDSQuestion 2Question 2
Why are cation atoms Why are cation atoms always smaller than their always smaller than their
ground state atoms?ground state atoms?
Cations have less Cations have less electrons so their electrons so their
atomic radii is atomic radii is smallersmaller
100pts100pts
PERIODIC TRENDSPERIODIC TRENDSQuestion 3Question 3
What force tells us if two What force tells us if two elements will make an elements will make an
ionic, covalent, polar, or ionic, covalent, polar, or non-polar compound?non-polar compound?
∆∆ENEN electronegativity electronegativity
SWITCH!SWITCH!
PERIODIC TRENDSPERIODIC TRENDSQuestion 4Question 4
The Lanthanide series and The Lanthanide series and Actinide series are part of Actinide series are part of
what periodic group?what periodic group?
Inner Inner Transition Transition
MetalsMetals
10pts10pts
PERIODIC TRENDSPERIODIC TRENDSQuestion 5Question 5
Why does ionization Why does ionization energy increase as an atom energy increase as an atom
gets smaller?gets smaller?
As the atom gets smaller, As the atom gets smaller, the electrons are closer to the electrons are closer to the positive nucleus so it the positive nucleus so it requires more energy to requires more energy to pull them away from the pull them away from the
atomatom
100pts100pts
STOICHIOMETRYSTOICHIOMETRYQuestion 1Question 1
What is the volume of 1 What is the volume of 1 mole of a gas at STP?mole of a gas at STP?
22.4 L22.4 L
10pts10pts
STOICHIOMETRYSTOICHIOMETRYQuestion 2Question 2
How many grams of sodium are needed to react
with .071g of chlorine gas?
2Na (s) + Cl2(g) 2NaCl (s)
50pts50pts
0.071 g Cl2
71 g Cl2
1 mol Cl2
= 0.046 g Na
1 mol Cl2
2 mol Na
2 mol Na
46 g Na
STOICHIOMETRYSTOICHIOMETRYQuestion 3Question 3
According to your calculations the theoretical yield for the production of NaCl is 13.6
grams. In the laboratory your actual yield is 11.8 grams of NaCl. What is the percent
yield?
BOOM!BOOM!
13.6 g NaCl
11.8 g NaClx 100
Answer = 86.7 %
STOICHIOMETRYSTOICHIOMETRYQuestion 4Question 4
What is the difference What is the difference between an empirical between an empirical
formula and a molecular formula and a molecular formula?formula?
Empirical formulaEmpirical formula lowest whole number ratio lowest whole number ratio
for compound (CHfor compound (CH22O)O)
Molecular formulaMolecular formula actual ratio of elements in actual ratio of elements in
compound (Ccompound (C66HH1212OO66))
10pts10pts
STOICHIOMETRYSTOICHIOMETRYQuestion 5Question 5
Caffeine has a molar mass of 194 g. It’s empirical formula
is C4H5ON2.
What is its molecular formula?
C4H5ON2 = 97.11g Ratio= 194g/ 97.11g
= 2 2 x (C4H5ON2) =
C8H10O2N4
40pts40pts
GAS LAWSGAS LAWSQuestion 1Question 1
What gas law is this What gas law is this demonstrating?demonstrating?
Charles 'LawCharles 'LawV1/T1 = V2/T2
30pts30pts
GAS LAWSGAS LAWSQuestion 2Question 2
How should temperatures How should temperatures ALWAYS be calculated ALWAYS be calculated
when dealing with gas laws?when dealing with gas laws?
Using Kelvin (K)Using Kelvin (K)273 + 273 + ooCC
BOOM!BOOM!
GAS LAWSGAS LAWSQuestion 3Question 3
The gas law that shows the The gas law that shows the relationship between relationship between
temperature, pressure, and temperature, pressure, and volume is called what?volume is called what?
The Combined Gas LawThe Combined Gas LawP1V1/T1 = P2V2/T2
BOOM!BOOM!
GAS LAWSGAS LAWSQuestion 4Question 4
Atmospheric pressure being Atmospheric pressure being 101.3 kPa comes from what 101.3 kPa comes from what
gas law?gas law?
Dalton’s Law of Partial PressuresDalton’s Law of Partial PressuresPtotal = P1 + P2 + P3+ ….Pn+
50pts50pts
GAS LAWSGAS LAWSQuestion 5Question 5
What gas law does this What gas law does this demonstrate?demonstrate?
Boyle’s LawBoyle’s LawP1V1 = P2V2
20pts20pts
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