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# ch9q - 9.13 Calculate the equilibrium constant at 25 0C...

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9.13 Calculate the equilibrium constant at 25 0 C using data in appendix 2A 2H 2 (g) + O 2 (g) = 2 H 2 O (g) 15. Calculate the standard free energy for I 2 (g) = 2 I (g) K = 6.8 at 1200. K 17. If Q =1.0 for the reaction N 2 (g) + O 2 (g) = 2 NO (g) at 25 0 C, will the reaction have a tendency to form products or reactants or be at equilibrium? 19. Calculate the reaction free energy of I 2 (g) = 2 I (g) at 1200. K 6.8 when the concentrations of I 2 and I are 0.13 bar and 0.98 bar respectively. What is the spontaneous direction of equilibrium? Explain briefly. 85. calculate the equilibrium constant at 25 0C and at 150. 0 C for the following reaction using data from appendix 2A NH 4 Cl (s) = NH 3 (g) + HCl (g) 89. The autoprotolysis constant of water, Kw is 9.9197 x 10 -15 at 25 0 C and 1.4689 x 10 - 14 at 30 0C. Assuming Δ H r 0 for this reaction is independent of temperature, calculate Δ Sr 0 for the autroprotolysis reaction. Suggests an interpretation of the sign. 91. The overall photosynthesis reaction is 6CO

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ch9q - 9.13 Calculate the equilibrium constant at 25 0C...

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