Which reaction will shift toward products when the volume of the reaction contai

Question

Which reaction will shift toward products when the volume of the reaction container is increased? a. N_2(g) + 3 H_2(g) rightarrow 2 NH_2(g) b. H_2(g) + I_2(g) rightarrow 2 HI(g) c. N_2O_4(g) rightarrow 2 NO_2(g) d. All of the above shift toward products e. None of the above shift toward products The following equilibrium reaction has a K_p of 7.55 times 10^-2 at 73 degree C. What is the K_e? 2 SO_2(g) + O_2(g) rightarrow 2 SO_2(g) a. 691 b. 6.91 c. 1.17 times 10^-5 d. 8.248 times 10^-4 e. 2.66 times 10^-3 All of the following are strong acids except a. HBr b. HCI c. HI d. HF e. They are all strong acids In an equilibrium constant expression: a. The pressures of pure liquids are included b. The concentrations of aqueous solutions are included c. The concentrations of solids are included d. All of the above e. None of the above

Explanation / Answer

12. C (To the products)

Increase in number of moles in products of a reaction shifts the equlibrium to the product with the increase in the volume of the container.

13.

Kp = Kc(RT)n

Kc = Kp / (RT)n

Kp = 7.55x10-2

R =0.08206 Latm K-1mol-1

T = 73+273=346K

n = 2-3 = -1

Kc = Kp / (RT)n =7.55x10-2 /(0.08206 x 346K)-1

Kc = 2.66x10-3

The answer is E.

15. b

Only the concentrations of the aqueous solutions are included in the equlibirum constant expression

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