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6. A reaction has an equilibrium constant of 9.1 x 10² at 298 K. At 600 K, the equilibrium constant is 0.84. Find A,H° for the reaction.

6. A reaction has an equilibrium constant of 9.1 x 10² at 298 K. At 600 K, the equilibrium constant is 0.84. Find A,H° for the reaction.

Chemistry
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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4. 5. 6. 7. Using data from Appendix IIB in the eText, calculate A,Gº and K for the reaction at 25°C: NaCl(s) Na*(aq) + Cl(aq) Use the following data to calculate A,H° and A,S for the autoionization of water: H2O(1)→ H*(aq) + OH'(aq) T (K) Kw 273 1.14 x 10-¹5 298 1.00 × 10-¹4 308 2.09 x 10-14 313 2.92 x 10-14 323 5.47 x 10-¹4 Use a spreadsheet (e.g., Microsoft Excel software) to create the graph required to solve this problem. A reaction has an equilibrium constant of 9.1 x 10² at 298 K. At 600 K, the equilibrium constant is 0.84. Find A,H° for the reaction. Hydrazine, N2₂H4, is a toxic gas that has a number of applications, including its use as a propellant on space vehicles. An early means of industrial production of hydrazine was from the reaction of sodium hypochlorite (NaCIO) and ammonia (NH3). Use the half reactions below to write a balanced equation for the reaction of hypochlorite and ammonia, and calculate E cell and A.Gº for the reaction. Predict what would happen if you mixed household bleach (an alkaline solution of NaCIO) and a window cleaner containing ammonia. CIO (aq) + H₂O(l) + 2e → 2OH(aq) + Cl(aq) N₂H4(g) + 2 H₂O(l) + 2e → 2NH3(aq) + 2OH(aq) E = 0.90 V E = -0.10 V
Transcribed Image Text:4. 5. 6. 7. Using data from Appendix IIB in the eText, calculate A,Gº and K for the reaction at 25°C: NaCl(s) Na*(aq) + Cl(aq) Use the following data to calculate A,H° and A,S for the autoionization of water: H2O(1)→ H*(aq) + OH'(aq) T (K) Kw 273 1.14 x 10-¹5 298 1.00 × 10-¹4 308 2.09 x 10-14 313 2.92 x 10-14 323 5.47 x 10-¹4 Use a spreadsheet (e.g., Microsoft Excel software) to create the graph required to solve this problem. A reaction has an equilibrium constant of 9.1 x 10² at 298 K. At 600 K, the equilibrium constant is 0.84. Find A,H° for the reaction. Hydrazine, N2₂H4, is a toxic gas that has a number of applications, including its use as a propellant on space vehicles. An early means of industrial production of hydrazine was from the reaction of sodium hypochlorite (NaCIO) and ammonia (NH3). Use the half reactions below to write a balanced equation for the reaction of hypochlorite and ammonia, and calculate E cell and A.Gº for the reaction. Predict what would happen if you mixed household bleach (an alkaline solution of NaCIO) and a window cleaner containing ammonia. CIO (aq) + H₂O(l) + 2e → 2OH(aq) + Cl(aq) N₂H4(g) + 2 H₂O(l) + 2e → 2NH3(aq) + 2OH(aq) E = 0.90 V E = -0.10 V
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