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Material Type: Quiz; Professor: DiLella; Class: General Chemistry II; Subject: Chemistry; University: Shepherd University; Term: Spring 2008;
Typology: Quizzes
1 / 3
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2Cl 2 (g) + 2H 2 O(g) 4 HCl(g) + O 2 (g)
2
2
2
2
2
4
c
Cl H O
HCl O
K 2
H O
2
Cl
O
4
HCl
p
2 2
2
P P
P P
K
4 CuO(s) + CCl 4 (g) CO 2 (g) + 4 Cu(s) + 2 Cl 2 O(g)
4
2
2 2
c
CCl
CO Cl O
K
4
2 2
CCl
2
CO Cl O
p
SO 3 (g) SO 2 (g) + ½ O 2 (g)
3
2
1
2 2
c
SO
SO O
K
3
2 2
SO
2
1
SO O
p
P 4 (s) + 10 Cl 2 (g) 4 PCl 5 (s)
10
2
c
10
Cl
p
2
CCl 4 (l) C(s) + 2 Cl 2 (g)
2
c 2
2
p Cl 2
NH 3 (g) + 3O 2 (g) 2N 2 (g) + 6H 2 O(l)
3 H 2 (g) + N 2 (g) 2NH 3 (g)
CO(g) + Cl 2 (g) COCl(g) +Cl(g)
H 2 (g) + I 2 (g) 2 HI(g)
2 SO 2 (g) + O 2 (g) 2 SO 3 (g)
3 Consider the following equilibrium?
NH 4 CO 2 NH 2 (s) 2 NH 3 (g) + CO 2 (g) Kp = 2.5 10
at 310 K
What are the equilibrium pressures of NH 3 and CO 2 at 310 K?
NH 4 CO 2 NH 2 (s)
(^334)
CO
2
p NH
3 2
2 3
4
x
2
CO 2
2
NH 3
Indicate the effect of the following stresses on the equilibrium.
(shift to products, shift to reactants, no effect)
a) a decrease in the pressure of NO 2 (shifts to reactants)
b) an increase in the pressure of N 2 O 5 (shifts to reactants)
c) a decrease in temperature. (shift to products)
d) addition of a catalyst (no effect)
e) an increase in the volume of the container holding the gases. (shifts to reactants)
°C is 625 for this reaction. Write the algebraic equation needed to solve for the equilibrium
pressures of CCl 4 (g), CO 2 (g), and Cl 2 O(g) at 400 °C. Assume initially that the concentrations
2
CCl
CO
2
Cl O
p
4
2 2
If 1.0 moles of SO 2 is mixed with 0.50 moles of SO 3 and 0.50 moles of O 2 in a 5.0 L
0. 10 M
5 L
SO 3
0. 20 M
5 L
SO 2
0. 10 M
5 L
O 2
5
2 0. 1
1
SO O
SO
Q 2
2
2
2
2
2
3
since Q > K there are too many products and thus will be more SO 2 (s) at equilibrium
2+ ions in a saturated solution of MgF 2 (Ksp = 6.6x
2+
2 3 2 2
sp K Mg F x( 2 x) 4 x
3
3
1 9 3
1
sp
4
4
K
x
2+