Consider the following reaction where K. = 0.159 at 723 K:N2(g) + 3H2(g) =2NH3(g)A reaction mixture was found to contain 4.30x102 moles of N,(g), 3.92x102 moles of H,(g) and 5.62×104 moles of NH3(g), in a 1.00 Liter container.Indicate True (T) or False (F) for each of the following:v 1. In order to reach equilibrium NH3(g) must be consumed.v 2. In order to reach equilibrium K̟ must increase.v 3. In order to reach equilibrium N2 must be consumed.v 4. Q. is less than K.v 5. The reaction is at equilibrium. No further reaction will occur.

N2 (g) + 3H2 (g) <===> 2NH3 (g) Concentration of N2, [N2] = moles of N2 ÷ Volume [N2] = {4.30 × 10^(-2)} ÷ 1 = 0.043 mol/L Concentration of H2, [H2] = moles of H2 ÷ Volume [H2] = {3.92 × 10^(-2)} ÷ 1 = 0.0392 mol/L Concentration of NH3, [NH3] = moles of NH3 ÷ Volume [NH3] = {5.62 × 10^(-4)} ÷ 1 = 0.0562 mol/L Reaction Quotient, Qc = [NH3]^2 / [N2] [H2]^3 Qc = (0.000562)^2 / (0.043) (0.0392)^3 Qc = 3.15844 × 10^(-7) / (0.043) {6.0236 × 10^(-5)} Qc = 0.122 We know, Kc = 0.159 Since Qc < Kc , reaction will move in forward direction. (1) In order to reach equilibrium NH3(g) must be consumed. => False Reaction is moving in forward direction therefore NH3 will be formed (not consumed). (2) In order to reach equilibrium Kc must increase. => False Because Equilibrium constant (Kc) remains constant. Reaction quotient (Qc) should increase to reach equilibrium. (3) In order to reach equilibrium N2 must be consumed. => True Because reaction is moving in forward direction. Therefore N2 must be consumed. (4) Qc is less than Kc => True Because Qc = 0.122 and Kc = 0.159 (5) The reaction is at equilibrium. No further reaction will occur. => False Because Qc is not equal to Kc, reaction is not at equilibrium.

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Consider the following reaction where K. = 0.159 at 723 K: N2(g) + 3H2(g)=2NH3(g) A reaction mixture was found to contain 4.30×102 moles of N2(g), 3.92x10-2 moles of H2(g) and 5.62×10-4 moles of NH3(g), in a 1.00 Liter container. Indicate True (T) or False (F) for each of the following; |1. In order to reach equilibrium NH3(g) must be consumed. | 2. In order to reach equilibrium K. must increase. | 3. In order to reach equilibrium N2 must be consumed. v4. Qe is less than K. 5. The reaction is at equilibrium. No further reaction will occur.

Consider the following reaction where K. = 0.159 at 723 K: N2(g) + 3H2(g)=2NH3(g) A reaction mixture was found to contain 4.30×102 moles of N2(g), 3.92x10-2 moles of H2(g) and 5.62×10-4 moles of NH3(g), in a 1.00 Liter container. Indicate True (T) or False (F) for each of the following; |1. In order to reach equilibrium NH3(g) must be consumed. | 2. In order to reach equilibrium K. must increase. | 3. In order to reach equilibrium N2 must be consumed. v4. Qe is less than K. 5. The reaction is at equilibrium. No further reaction will occur.

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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