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NEET UG CHEMISTRY MCQ: THERMODYNAMICS
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Heat of solution is defined as :
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Correct option: C
Change in heat content of the system when one mole of the solute is dissolved un excess of water, so that further dilution of solution does not bring any heat change
Option C is the correct definition of heat of solution because it specifies the heat change when one mole of solute dissolves in excess solvent until further dilution causes no heat change.
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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.
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