12. Which balanced chemical equation corresponds to the following equilibri,constant expression?KpPo PBr2A) 2 NOB (g) = 2 NO (g) + Br2(g)B) NO (g) + ½ Br2 (g) = NOBr (g)C) 2 NO (g) + Br2 (g) = NOBrD) 2 NO (g) + Br2 (g) = 2 NOBR13. You know that Kc = 2.0 at a certain temperature for the gaseous reactionA + 2B = C + 4D.What would be the value of Kc for the reaction2C + 8D = 2A + 4BA) 2.0B) 0.50C) 0.25D) 4.0 10. Sulfur trioxide decomposes according to the reaction:2 SO3 (g) = 2 SO2 (g) + O2 (g)In an equilibrium mixture at 1000 K you measure [SO3] =0.41 M, [S02] = 0.032 M,and the [O2] = 0.59 M. What is the value of Kc for this reaction at thistemperature?A) 3.6 X 103B) 1.1 X 101C) 2.2 X 10?D) 4.6 X 10411. At a certain temperature, the following reaction has a Kc value of 4.0 X 104:N2 (g) + O2 (g) = 2 NO (g)At equilibrium, you find [N2] = 0.25 M and the [O2] = 0.33 M. What is the [NO]?A) 6.8 X 103B) 5.7 X 103C) 1.7 X 105D) 3.3 X 105

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constant expression? PROBr Kp = Po PBr2 A) 2 NOB (g) = 2 NO (g) + Br2(g) B) NO (g) + ½ Br2 (g) = NOB (g) %3D C) 2 NO (g) + Br2 (g) = NOB %3D D) 2 NO (g) + Br2 (g) = 2 NOB 13. You know that Kc = 2.0 at a certain temperature for the gaseous reaction A + 2B = C + 4D. What would be the value of Kc for the reaction 2C + 8D = 2A + 4B A) 2.0 B) 0.50 C) 0.25 D) 4.0

constant expression? PROBr Kp = Po PBr2 A) 2 NOB (g) = 2 NO (g) + Br2(g) B) NO (g) + ½ Br2 (g) = NOB (g) %3D C) 2 NO (g) + Br2 (g) = NOB %3D D) 2 NO (g) + Br2 (g) = 2 NOB 13. You know that Kc = 2.0 at a certain temperature for the gaseous reaction A + 2B = C + 4D. What would be the value of Kc for the reaction 2C + 8D = 2A + 4B A) 2.0 B) 0.50 C) 0.25 D) 4.0

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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