C (s)+2H_2(g) rightarrow CH_4(g) a) Using the data in your textbook, calculate t

Question

C (s)+2H_2(g) rightarrow CH_4(g) a) Using the data in your textbook, calculate the standard Gibbs free energy change (Delta G degree) for the reaction at 298 K. b) Estimate Delta G degree for the reaction at 400. (is the reaction more or less spontaneous at high temperature?) c) Calculate the value of Delta G at 298 K when the partial pressures of CH_4 and H_2 are 25.5 atm and 1.00 atm respectively. Predict what should happen using lessthanorequalto Chatelier's principle. Is the calculated result consistent with the predicted result?

Explanation / Answer

For parts A and B needa data

And for part C , change in free energy = pressure of products - pressure of reactants.

Here no of moles are decreasing hence low pressure is required for complete the reaction .

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