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Unformatted text preview: c) Calculate the value of the equilibrium constant for the above reaction at 25C. d) Would the reverse reaction become spontaneous at higher temperatures? 2) The Haber synthesis of ammonia from nitrogen and hydrogen is as follows: N 2 (g) + 3H 2 (g) > 2NH 3 (g) (a) Using only the following data for ammonia ( H f = 46.1 kJ/mol, and G f = 16.5 kJ/mol); calculate H and S for the reaction at 25C (b) Account for the sign of S (c) Is the reaction spontaneous under standard-state conditions at 25C ? Explain. (d) What are the equilibrium constants K p and K c for the reaction at 350 K? (You may assume that H and S are both independent of temperature)....
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- Spring '07