MHT CET 2026 Chemistry question
What is the change in entropy of surrounding for the reaction,
at 298 K if standard enthalpy of formation of water is kJ ?
Answer: (A)
Solution
The reaction is the formation of 1 mol of , so kJ (exothermic). Heat released by the system is absorbed by the surroundings at constant T and P: S_{surr}\dfrac{Δ H}{T}$ =
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