Select the most appropriate option. If the standard enthalpy of formation of methanol is –238.9 kJ mol–1 then entropy change of the surroundings will be _______.

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If the standard enthalpy of formation of methanol is –238.9 kJ mol–1 then entropy change of the surroundings will be 801.7 J K–1. Explanation: For standard state, temperature = 298 K `triangle "S"_"surr" = - (triangle "H")/"T" = - ((- 238.9 "kJ"))/(298 "k")` = + 0.8017 kJ K-1 = 801.7 J K-1

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