Gibbs free energy spontaneity 1

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The molar enthalpy of fusion of solid ammonia is 5.65 5.65 kJ mol − 1 ^{-1} , and the molar entropy of the fusion is 28.9 28.9 J K − 1 ^{-1} mol − 1 ^{-1} . Calculate the Gibbs free energy change for the conversion of 1.80 1.80 mol solid ammonia to liquid ammonia at 170 170 K, and determine whether or not the ammonia melting is spontaneous at 170 170 K.

− 0.739 kJ, non-spontaneous -0.739\text{ kJ, non-spontaneous} 1.33 kJ, non-spontaneous 1.33\text{ kJ, non-spontaneous} 0.739 kJ, spontaneous 0.739\text{ kJ, spontaneous} 1.33 kJ, spontaneous 1.33\text{ kJ, spontaneous}

Krishna Singh by Krishna Singh , 22, India

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