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NEET UG CHEMISTRY MCQ: THERMODYNAMICS
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If water is formed from ions andthe heat of formation of water is :
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Correct option: A
Option A (-13.7 kcal) is correct because the heat of formation of water from its ions is negative, indicating an exothermic process.
More Questions from THERMODYNAMICS
Practice All Chapter MCQs β
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, βS is negative?
The work done by a weightless piston in causing an expansion βV (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