Answer to Question #125670 in Physical Chemistry for Abid Amin

Question

The standard free energy of chemical reaction 2A + B ⇆ 2C at 500 K = 2 KJ mol-1. Calculate Kp at 500 K for the chemical reaction A + ½B ⇆ C.

Predict whether the following reaction is still spontaneous at 500C:

N2(g) + 3 H2(g) equilibr.gif (63 bytes) 2 NH3(g)

Assume that the values of deltaHo and deltaS used in the first Problem are still valid at this temperature.



Use the value of deltaGo obtained in the first Problem to calculate the equilibrium constant for the following reaction at 25C:

N2(g) + 3 H2(g) equilibr.gif (63 bytes) 2 NH3(g)

Answer 1

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