JEE Main Chemistry question

The first law of thermodynamics is expressed as **[Kerala CEE 2006]**

(A)
(B)
(C)Correct
(D)

Answer: (C)

Solution

The first law of thermodynamics states (with the work done on the system), which rearranges to , matching option (c). Option (a) incorrectly substitutes (enthalpy change) for (internal energy change) — these are equal only

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Question ID VK-134678