CHEM 112A
TIME ALLOWED: 15 MINUTES
NAME: _
ID# _
Quiz 2.a
2/5/15
All Quizzes are closed book and closed notes.
* Show your work/reasoning *
General Information: Kw = KaKb = 1.0 1014 at 25C; pH = log[H3 O+ ]; pOH = log[OH ]
b b 2 4ac
2a
1. Determine the f
CHEM 112A
TIME ALLOWED: 15 MINUTES
NAME: ANSWER KEY
ID# _
Quiz 1.a
2/1/07
All Quizzes are closed book and closed notes.
* Show your work/reasoning *
n
General Information: Kp = Kc(RT)
R = 0.08314 L bar/(mol K)
b b 2 4ac
2a
1. A sample of 3.90 bar of NO (
CHEM 112
TIME ALLOWED: 15 MINUTES
NAME: ANSWER KEY
ID# _
Quiz 3.a
2/15/07
All Quizzes are closed book and closed notes.
*Show your work/reasoning*
General Information: pH = -log[H3 O+];
pOH = -log[OH-];
KaKb = Kw; pH + pOH = 14.00
2
b b 4ac
[ HA]
For an
CHEM 112A
TIME ALLOWED: 15 MINUTES
NAME: _
ID# _
Quiz 1.a
2/02/12
All Quizzes are closed book and closed notes.
* Show your work/reasoning *
General Information:
R = 0.08206 L atm/(mol K)
b b 2 4ac
2a
1. Consider the reaction N2O (g) + NO2(g) 3NO (g). Th
CHEM 112
TIME ALLOWED: 15 MINUTES
NAME: ANSWER KEY
ID# _
Quiz 4.a
2/28/07
All Quizzes are closed book and closed notes.
*Show your work/reasoning*
General Information: pH = -log[H3 O+];
For an equation ax 2 + bx + c = 0 , x =
pOH = -log[OH-];
b b 4ac
;
2
CHEM 112A
TIME ALLOWED: 15 MINUTES
NAME: _KEY_
ID# _
Quiz 7.a
4/12/07
All Quizzes are closed book and closed notes.
* Show your work/reasoning *
General Information: R = 8.314 J mol-1 K-1 ;
F = 96485 C/mol;
1 J = 1 C V;
G = nFE;
G = nFE;
G = RTlnK;
E = E
CHEM 112A
TIME ALLOWED: 15 MINUTES
NAME: _KEY_
ID# _
Quiz 6.a
3/29/07
All Quizzes are closed book and closed notes.
* Show your work/reasoning *
General Information: ? S = nCln
T2
T1
? S = SnS om (products) SnS om (reactants )
? S = nRln
V2
V1
S =
H
T
R =
CHEM 112A
TIME ALLOWED: 15 MINUTES
NAME: _
ID# _
Quiz 4.a
3/01/12
All Quizzes are closed book and closed notes.
* Show your work/reasoning *
General Information:
101.325 J = 1 L atm
R = 0.08206 L atm/(mol K)
w = Pext V
R = 8.314 J/mol K
( )
1. Two moles o
CHEM 112A
TIME ALLOWED: 15 MINUTES
NAME: _
ID# _
Quiz 2.a
2/10/11
All Quizzes are closed book and closed notes.
* Show your work/reasoning *
General Information: Kw = 1.0 1014 at 25C;
For the equation ax2 + bx + c = 0, x
b b 2 4ac
2a
1. a) Calculate the
CHEM 112
TIME ALLOWED: 15 MINUTES
NAME:_
ID# _
Quiz 3.a
2/23/12
All Quizzes are closed book and closed notes.
*Show your work/reasoning*
General Information: Ksp (CaCrO4) = 7.1 10-4; Ksp (CaF2) = 5.3 10-9; Ksp (CuCl) = 1.2 10-6
1. A mistake was made in a
CHEM 112A
TIME ALLOWED: 15 MINUTES
NAME: _KEY_
ID# _
Quiz 5.a
3/8/12
All Quizzes are closed book and closed notes.
* Show your work/reasoning *
General Information:
1. Phase transitions can be treated in the same way as chemical reactions in the calculati
CHEM 112A
NAME: _
ID# _
Quiz 7.a
4/5/12
All Quizzes are closed book and closed notes.
* Show your work/reasoning *
General Information: F = 96,485 C/mol; 1 J = 1 C V;
G = nF; G = RT lnK;
0.0592
0.0257
=
o
o
log 10 Q
lnQ
n
n
Q (charge) = It
1. A studen
CHEM 112A
TIME ALLOWED: 15 MINUTES
NAME: _
ID# _
Quiz 1.a
01/29/2015
All Quizzes are closed book and closed notes.
* Show your work/reasoning *
General Information: PV = nRT; Kp = Kc (RT)n; R = 0.08206 L atm/(mol K);
b b 2 4ac
For an equation ax + bx + c
CHEM 112
TIME ALLOWED: 15 MINUTES
NAME:_
ID# _
Quiz 6.a
3/29/12
All Quizzes are closed book and closed notes.
*Show your work/reasoning*
(
General Information:
)
=
1. The reaction (CH3)2CHOH(g) (CH3)2CO(g) + H2(g) has an equilibrium constant equal to 1.45
CHEM 112
TIME ALLOWED: 15 MINUTES
NAME:_
ID# _
Quiz 8.a
4/12/12
All quizzes are closed book and closed notes.
*Show your work/reasoning*
General Information: F = 96,485 C/mol;
1 J = 1 C V; 1A = 1C/sec
1
1
R = 8.314
ln[A] = ln[A]0 kt
kt
[A]
G = nF; Q (cha