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NEET 2010 Chemistry question

ChemistryThermodynamicsNEET 2010

For vaporization of water at 1 atmospheric pressure, the values of and are and , respectively. The temperature when Gibb's energy change () for this transformation will be zero, is :

Answer: (3)

Solution

. At equilibrium (boiling point) , so . \dfracExtra open brace or missing close brace{40.63×10^3$\ \text{J

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Question ID VK-090377