Chemistry Gibbs Free Energy Solution: To examine the extent that water spontaneously dec...

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Solution: To examine the extent that water spontaneously decomposes to its elements at room temperature, consider that the standard Gibbs energy of formation (∆G ̊f) of H2O (l) is –237.20 kJ/mol. Use this information to calculate the equilibrium constant for the decomposition of water at 298 K: 2 H2O (l) ⇄ 2 H2 (g) + O2 (g) a) 7.0 x 10 –84 b) 2.6 x 10 –42 c) 0.91 d) 3.8 x 1041 e) 1.4 x 1083