I want to check if my homework is correct, I\'m prepping for an exam soon and it
ID: 789536 • Letter: I
Question
I want to check if my homework is correct, I'm prepping for an exam soon and it's been hard trying to get in contact with my prof.
1) For: 2COF2(g) ? CO2(g) + CF4(g) the Kc value is 2.0 x 10-4
For: COF2(g) ? 0.5CO2(g) + 0.5CF4(g) the Kc value is 1.4 x10-2
True
False
2) For the reaction: 2CH3OH(l) + 3O2(g) ? 2CO2(g) + 4H2O(l) ; ?H = -1453.2 kJ and ?S = -162 J/K at 25oC Calculate ?G
A.
-1404.9 kJ
B.
1.4049 kJ
C.
1404.9 kJ
3) For the system: 2CO(g) + O2(g) ? 2CO2(g) ; adding CO shifts the equilibrium:
A.
right
B.
no change
C.
left
4) For the system: 2CO(g) + O2(g) ? 2CO2(g) ; increasing the volume of the container will shift the equilibrium:
A.
right
B.
left
C.
no shift
5) For: N2(g) + O2(g) ? 2NO(g) 0.500M O2 and 0.750M N2 is allowed to reach equilibrium. Kc = 1.00 x 10-1. Calculate equilibrium concentration of O2
A.
0.167
B.
0.417
C.
0.083
6) For the reaction: I2(g) + Cl2g) ? 2ICl(g) the Kp value is 81.9.
The Kp value for: 2ICl(g) ?I2(g) + Cl2g) is 0.0122
True
False
7) Calculate Keq for the reaction: A(g) + B(g) ? C(g) + D(g) given Kp = 3.1 x 10-4 @ 35
A.
-1404.9 kJ
B.
1.4049 kJ
C.
1404.9 kJ
Explanation / Answer
1) For: 2COF2(g) ? CO2(g) + CF4(g) the Kc value is 2.0 x 10-4
For: COF2(g) ? 0.5CO2(g) + 0.5CF4(g) the Kc value is 1.4 x10-2
True
2) For the reaction: 2CH3OH(l) + 3O2(g) ? 2CO2(g) + 4H2O(l) ; ?H = -1453.2 kJ and ?S = -162 J/K at 25oC Calculate ?G
C.
1404.9 kJ
3) For the system: 2CO(g) + O2(g) ? 2CO2(g) ; adding CO shifts the equilibrium:
A.
4) For the system: 2CO(g) + O2(g) ? 2CO2(g) ; increasing the volume of the container will shift the equilibrium:
B.
5) For: N2(g) + O2(g) ? 2NO(g) 0.500M O2 and 0.750M N2 is allowed to reach equilibrium. Kc = 1.00 x 10-1. Calculate equilibrium concentration of O2
A.
6) For the reaction: I2(g) + Cl2g) ? 2ICl(g) the Kp value is 81.9.
The Kp value for: 2ICl(g) ?I2(g) + Cl2g) is 0.0122
False
7) Calculate Keq for the reaction: A(g) + B(g) ? C(g) + D(g) given Kp = 3.1 x 10-4 @ 35
C.
1404.9 kJ
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