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MHT CET Chemistry question

ChemistryThermodynamicsMHT CET

Standard enthalpy and standard entropy changes for the oxidation of ammonia at 298 K are and , respectively. Standard Gibbs energy change for the same reaction at 298 K is

Answer: (D)

Solution

$Δ G° = Δ H° - TΔ S° = -382.64 - (298)(-0.1456) = -382.64 + 43.39 = -339.25 ≈

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Question ID VK-064390