11. Which of the following gives the correct expression for the rate of reaction of the 11. reaction given chemical equation? N₂ (aq) + 3H₂ (9) 2NH3 (9) A. (A[NZ]) B. (A[NH3] ¹) C. - At 1 A[NH3] 2 At D. - 1 (ATH?) A[H2] 3 12. Which of the following statements best describes the Second Law of Thermodynamics? A. The internal energy of the universe is constant. B. Energy can be neither created nor destroyed. C. When an isolated system undergoes a spontaneous change, the entropy of the system will increase. D. At absolute zero, the entropy of a perfect crystal is considered to be zero. 13. Which of the following statements will always apply when a reversible 13. chemical reaction has attained equilibrium? A. All reactants will convert to products B. The reaction proceeds alternately in the forward and reverse directions C. The Gibbs free energy of the system reaches a minimum D. The forward reaction will dominate over the reverse reaction 12.

11. Which of the following gives the correct expression for the rate of reaction of the 11. reaction given chemical equation? N₂ (aq) + 3H₂ (9) 2NH3 (9) A. (A[NZ]) B. (A[NH3] ¹) C. - At 1 A[NH3] 2 At D. - 1 (ATH?) A[H2] 3 12. Which of the following statements best describes the Second Law of Thermodynamics? A. The internal energy of the universe is constant. B. Energy can be neither created nor destroyed. C. When an isolated system undergoes a spontaneous change, the entropy of the system will increase. D. At absolute zero, the entropy of a perfect crystal is considered to be zero. 13. Which of the following statements will always apply when a reversible 13. chemical reaction has attained equilibrium? A. All reactants will convert to products B. The reaction proceeds alternately in the forward and reverse directions C. The Gibbs free energy of the system reaches a minimum D. The forward reaction will dominate over the reverse reaction 12.

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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