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Chem 11 Advanced
Exam Review: The Extra Stuff!
Name:
Gas Laws:
Define and review: characteristics of gas, Kinetic molecular theory, ideal gas, STP
MC: 127.
What volume of ammonia can be produced from 18 L of hydrogen, if all gases are at
the same temperature and pressure? The balanced equation for the reaction is
N2(g) + 3H2(g) → 2NH3(g)
a) 6 L
b) 18 L
c) 12 L
d) 9
128.
carbon?
a) 0.88 L
What volume of carbon dioxide at STP can be obtained from the combustion of 0.50 g of
b) 22.4 L
c) 1.00 L
d) 0.93L
129.
How many grams of carbon would have to be burned to produce 560 mL of carbon dioxide
collected at STP?
a) 0.30 g
b) 0.60 g
c) 0.15g
d) 0.45g
1. A sample of oxygen gas occupies a volume of 250 at 740 torr, what volume will it occupy at 800
torr?
2. Ammonia gas occupies a volume of 450 mL at a pressure of 720 mm Hg, what volume will it occupy
at standard pressure?
3. Hydrogen gas was cooled from 150 ºC to 50ºC. Its new volume is 75mL, what was the original
volume?
4. Chlorine gas occupies a volume of 25 mL at 300 ºK. What volume will it occupy at 600 ºK?
5. A toy balloon has an internal pressure of 1.05 atm and a volume of 5.0 L. If the temperature where
the balloon is released is 200 C, what will happen to the volume when the balloon rises to an altitude
where the pressure is 0.65 atm and the temperature is –150 C?
6. A small research submarine with a volume of 1.2 x 105 L has an internal pressure of 1.0 atm and an
internal temperature of 150 C. If the submarine descends to a depth where the pressure is 150 atm
and the temperature is 30 C, what will the volume of the gas inside be if the hull of the submarine
breaks?
7. How many moles of gas are in a 30L scuba container if the temperature of the canister is 300 ºK and
the pressure is 200 atm?
8. I have a balloon that can hold 100 L of air, if I blow it up with 3.0 moles of O2 at a pressure of 1 atm,
what is the temperature of the balloon?
9. For the reaction 2 H2(g) + O2(g)  2 H2O(g), how many liters of water can be made from 5 L of oxygen
gas and an excess of hydrogen?
10. How many liters of water can be made from 55 grams of oxygen gas and an excess of hydrogen at
STP?
Bonding:
1. How many s and p orbitals combine to form each of the following hybrid orbitals?
a) sp
b) sp2
c) sp3
2. What set of hybrid orbitals are used by the central atom in the following?
a) CCl4
b) HCN
c) CH3
3. Compare the bonding (in terms of hybridization) between CH4, C2H4 and CH2. How many sigma and
how many pi bonds are found on the central atom for each molecule?
4. Explain why/how some central atoms can have expanded valence shells (ie. have more then 8
valence electrons). Give and example.
5. State the name of the shape created from the following molecules.
a)ClF3 b) PF5 c) XeO2F2 d)SOF4 e) SCl6 f) IF4+
6. Label each of the following sets of four quantum numbers as either Valid, which indicates that set is a
legitimate set of quantum numbers for an electron, or Invalid, which would indicate that the set is not a
possible set of quantum numbers for an electron.
n
l
M1
M2
1
0
0
½
1
1
+1
-½
2
0
0
-½
2
2
-2
½
2
1
-1
½
3
2
-1
½
3
1
0
0
3
0
1
½
3
0
0
-½
1
2
-3
½
7. Give the quantum numbers for one electron that could populate the 3d subshell of an atom.
Organic:
1. Explain the difference between a cis and trans isomer.
2. Compare the boiling points of alkane, alkenes and alkynes.
3. Compare the boiling points and butane to octane.
4. Draw the following structures: a) cis-2-hexene b) trans-4,4-dimethyl-2-pentene c) 1, 3- hexadiene d) 2phenyloctane
5. Predict and draw the major and minor product for the following reactions and circle the major product:
a) 2-methyl-2-butene + HBr 
b) 2-methyl-1-butene + HOH 
6. What 2 reactants produce the following product? 1,2-dibromo-2-methylbutane
ANSWERS:
Gas laws:
127, 128, 129: answers correspond to MC answers
1) 231mL 2) 426 mL 3) 98 mL 4) 50 mL 5) 7.11 L 6) 767 L 7) 243.7 K 8) 406.2 K 9) 10 L 10) 77L
Bonding:
1) a) 1-s, 1-p b) 1-s, 2-p c) 1-s, 3-p
2) a) sp3 b) sp c) sp2
3) CH4 – 4 sigma bonds, C2H4 - 3 sigma bonds and 1 pi bond and CH2 - 2 sigma bonds and 2 pi bonds
4) Molecules with more than 8 valence electrons [expanded valence shell] form when an atom can
‘promote’ one or more electrons from a doubly filled s- or p-orbital into an unfilled low energy d-orbital.
Only in period 3 or higher because that is where unused d-orbitals begin. When atoms absorb energy
(heat, electricity, etc…) their electrons become excited and move from a lower energy level orbital to a
slightly higher one.
5) a) T shaped b) trigonal bipyramidal c) square planar d) trigonal bipyramidal e) octahedral f) seesaw
6) V, I, V, I, V, V, I, I, V, I
7) n=3 l = 2 m1= -2 m2 =½
Organic:
1) see notes 2) If all had the same number of carbons, alkyne would be highest then alkane then alkene.
3) Octane would have a higher boiling point because it has more carbons then butane.
5) a) major = 2-bromo-3-methylbutane, minor = 2-bromo-2-methylbutane
b) major = 2-methyl-2-butanol, minor = 2-methyl-1-butanol
6) Br2 gas and 2-methy-1-lbutene