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Question: Answered & Verified by Expert
In an isothermal process
ChemistryThermodynamics (C)JIPMERJIPMER 2005
Options:
  • A $\Delta H=\Delta E+P \Delta V$
  • B $\Delta H=W$
  • C $\Delta H=\Delta E$
  • D $\Delta H=S \Delta T$
Solution:
1612 Upvotes Verified Answer
The correct answer is: $\Delta H=W$
In an isothermal process, the temperature is constant.
So, $\quad \Delta E=0$
Hence $\Delta H=P \Delta V$ (As, $\Delta H=\Delta E+P \Delta V$ )
$\Delta H=W$ $\qquad (\because W=P \Delta V)$

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