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NEET UG CHEMISTRY MCQ: THERMODYNAMICS
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For an ideal gas, the relation between the enthalpy change and internal energy change at constant temperature is given by :
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Correct option: B
∆H= ∆U+ ∆nRT
Option B (∆H= ∆U+ ∆nRT) is correct because it represents the relationship between enthalpy change and internal energy change for an ideal gas, where ∆n is the change in the number of moles of gas.
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Reason :- During phase transition work done is always negative. For the reaction, at . Hence, is