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Eamcet Chemistry
1 st Year : Unit 6.2 (Thermo Dynamics ) - Thermodynamics-2

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At 25⁰C the heat of formation of H₂O (l) is -285.9 KJ mole^-1 and that for H₂O (g) is -242.8 KJmole^-1. The heat of vaporization of water at the same temperature is

A. 43.1 KJ mole^-1

B. 242.8 KJ mole^-1

C. -43.1 KJ mole^-1

D. -242.8 KJ mole^-1

E. None of the above

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Correct choice: A

Explanation:

None

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Eamcet Chemistry 1 st Year : Unit 6.2 (Thermo Dynamics ) - Thermodynamics-2

Eamcet Chemistry
1 st Year : Unit 6.2 (Thermo Dynamics ) - Thermodynamics-2