MHT CET 2026 Chemistry question
The value of enthalpy change () for above reaction at is . Then value of internal energy change for the same reaction at this temperature will be
Answer: (B)
Solution
The relation between enthalpy and internal energy changes is . Counting only gaseous species: products = 2 mol , reactants = 3 mol (ethanol and water are liquids), so . At T = 27 + 273 = 300 K, n_g$ RT =
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