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NEET UG CHEMISTRY MCQ: THERMODYNAMICS
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What is the entropy change in during the melting of of ice at ? (Latent heat of fusion of ice )
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Correct option: D
33
Option D (33) is correct because the entropy change is calculated by dividing the heat absorbed during melting by the temperature in Kelvin.
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The internal energy of one mole of a gas is:
An ideal gas is allowed to expand both reversibly and irreversibly in an isolated system. If is the initial temperature and is the final temperature, which of the following statements is correct?
For which of the process, ∆S is negative?
The work done by a weightless piston in causing an expansion ∆V (at constant temperature), when the opposing pressure, P is variable, is given by:
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Reason :- During phase transition work done is always negative. For the reaction, at . Hence, is
Reason :- During phase transition work done is always negative. For the reaction, at . Hence, is
