Q15 of 62 Page 71

Thermodynamics mainly deals with

Reason:

Thermodynamics is that branch of science which deals with a different form of energy and their transformation from one form to another and also deals with thermal or mechanical equilibrium but it does not account at what rate these transformations occur.

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Enthalpy of sublimation of a substance is equal to

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Which of the following is not correct?

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In an exothermic reaction, heat is evolved, and the system loses heat to the surrounding. For such a system

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The spontaneity means, having the potential to proceed without the assistance of external agency. The processes which occur spontaneously are