16. Identify the correct expression for Kc for the reaction:H2 (g) + I2 (g) = 2 HI (g)[H2][l2][HI]2А) К. —B) K. = [HI]²[HI]?C) K. =[HI]?D) K =[H2]17. For the reaction A(g) +B (g) = C (g), vou know that Kc = 51.0 at a certaintemperature. What will happen to the value of Kc if you add more A to theequilibrium mixture?A) It will go up.B) It will go down.C) It will stay the same.D) It is impossible to predict how Kc would change.18. You study the equilibrium reaction 2 A (aq) = B (aq) + C (aq). You place a 1.0M solution of A into an empty 1.0 L container. When you return later, you findthat the equilibrium concentration of B is 0.30 M. What is the value of Kc for thisreaction?A) 0.4B) 1.8C) 0.30D) 0.56 14. You set out to study the reaction 2AB (g) = A2 (g) + B2 (g). You place 0.30moles of AB into an evacuated 2.0 L container. When you set up the ICE chartbelow, what would go into the missing box (######)?АВA2B20.15-X######0.15-XA) xB) -xC) 0D) 0.1515. Identify the correct expression for Kp for the reaction:CO2 (g) + CaO (s) = CACO3 (s)Pcaco3A) Kp =Pco2Pcao1%3DPco2B) KpC) Kp = Pco%3DPco2 PcaoPcacO3D) Kp :

The equilibrium constant is defined as the ratio of the concentration of the gaseous products to…

Answered: 16. Identify the correct expression for…

16. Identify the correct expression for Kc for the reaction: H2 (g) + I2 (g) = 2 HI (g) [H2][l2] A) K = %3D [HI]2 B) K. = [HI]²' [HI]? C) K. = [H2][Iz] [HI]2 D) K. = %3D [H2]

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter13: Chemical Equilibrium

Section: Chapter Questions

Problem 10RQ: The only stress (change) that also changes the value of K is a change in temperature. For an...

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Question

16. Identify the correct expression for Kc for the reaction:
H2 (g) + I2 (g) = 2 HI (g)
[H2][l2]
[HI]2
А) К. —
B) K. = [HI]²
[HI]?
C) K. =
[HI]?
D) K =
[H2]
17. For the reaction A(g) +B (g) = C (g), vou know that Kc = 51.0 at a certain
temperature. What will happen to the value of Kc if you add more A to the
equilibrium mixture?
A) It will go up.
B) It will go down.
C) It will stay the same.
D) It is impossible to predict how Kc would change.
18. You study the equilibrium reaction 2 A (aq) = B (aq) + C (aq). You place a 1.0
M solution of A into an empty 1.0 L container. When you return later, you find
that the equilibrium concentration of B is 0.30 M. What is the value of Kc for this
reaction?
A) 0.4
B) 1.8
C) 0.30
D) 0.56

14. You set out to study the reaction 2AB (g) = A2 (g) + B2 (g). You place 0.30
moles of AB into an evacuated 2.0 L container. When you set up the ICE chart
below, what would go into the missing box (######)?
АВ
A2
B2
0.15
-X
######
0.15-X
A) x
B) -x
C) 0
D) 0.15
15. Identify the correct expression for Kp for the reaction:
CO2 (g) + CaO (s) = CACO3 (s)
Pcaco3
A) Kp =
Pco2Pcao
1
%3D
Pco2
B) Kp
C) Kp = Pco
%3D
Pco2 Pcao
PcacO3
D) Kp :

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