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NEET UG CHEMISTRY MCQ: THERMODYNAMICS
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Enthalpy and internal energy are
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Correct option: A
Extensive properties
Option A is correct because enthalpy and internal energy are extensive properties, meaning their values depend on the amount of substance present.
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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:
Assertion :- At constant pressure of the change work done is negative.
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Reason :- During phase transition work done is always negative. For the reaction, at . Hence, is