QUIZ#7 III - 1
1. C2H6O(l) + 3O2(g)→2CO2(g) + 3H2O(l)
2C2H4O(l) + 2H2O(l)→2C2H6O(l) + O2(g) H=407KJ
C2H4O(l) + 5/2O2(g)→2CO2(g) + 2H2O(g) H=-1167KJ
2. H2SO4(l)→SO3(g) + H2O(g)
H2SO4(l)→H2S(g) + 2O2(g) H=785KJ
H2S(g) + 2O2(g)→SO3(g) + H2O(l) H=-690KJ
H2O(l)→H2O(g) H=110KJ

QUIZ # 8 III – 1A
1. P1 = 1 atm V1 = 5 L
P2 = 2 atm V2 = ?

2. P1 = 1 atm V1 = 5 L
P2 = ? V2 = 7 L

3. P1 = 6 atm V1 = 5 L
P2 = 2 atm V2 = ?

4. P1 = 6 atm V1 = 5 L
P2 = ? V2 = 2 L

5. P1 = 10 atm V1 = 5 L
P2 = 2 atm V2 = ?

QUIZ # 9 III – 1A
1. T1 = 0C V1 = 5 L
T2 = 10C V2 = ?

2. T1 = 10C V1 = 5 L
T2 = ? V2 = 7 L

3. T1 = 60C V1 = 5 L
T2 = 20C V2 = ?


T2 = ? V2 = 2 L

5. T1 = 25C V1 = 5 L
T2 = -10C V2 = ?

Quiz #1 III – 1A
1. Give the K for: F2 + 2HBr 2HF + Br2
2. Cl2 + 2HBr 2HCl + Br2 , Calc K if [Cl2] = 3M, [HCl] = 5M, [Br2] = 1M, and [HBr] = 2M.
3. What is the conc. of NO if the [NO2] = 1.5M and O2 = 1M and the Kc = 1.1? 2NO + O2 2NO2

QUIZ # 11 III – 1
1. Determine the pressure of a 5.0 mole of gas which occupies 3.5L at 20C.
2. Give the volume occupied by 7.0 moles of gas at STP.
3. Calculate for the moles of a gas which occupies 10L at 100C and 6.5 atm.
4. Determine the temp of a 3.5 mole of gas at 6.0 atm occupying 17L.

Quiz #3 III – 1A
1. Find pH if pOH = 3.4
2. Find pH if [H+] = 3.5 x 10-4
3. Find pOH if pH = 2.1
4. Find pOH if [OH-] = 4.5 x 10-3
5. Find pH if [OH-] = 3.2 x 10-11
6. Find pOH if [H+ ] = 1.0 x 10-12
7. Find [H+] if pOH = 3.2
8. Find [OH-] if pH = 1.8

Labels: Chemistry Lecture, Exam Help

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