When $x \ kJ$ heat is provided to a system,work equivalent to $y \ J$ is done on it. What is the internal energy change during this operation?
- A$(1000 x + y) \ J$
- B$1000(x + y) \ J$
- C$(x + 1000 y) \ J$
- D$(x + y) \ J$
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Which among the following reactions exhibits $\Delta H = \Delta U$?
Assertion : For a reaction $2NH_{3(g)} \to N_{2(g)} + 3H_{2(g)}$ ; $\Delta H > \Delta E$.
Reason : Enthalpy change is always greater than internal energy change.
Reason : Enthalpy change is always greater than internal energy change.
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View SolutionThe first law of thermodynamics is only:
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