WBJEE · Chemistry · Thermodynamics (C)
An ideal gas expands adiabatically against vaccum. Which of the following is correct for the given process?
- A \(\Delta S=0\)
- B \(\Delta \mathrm{T}=-\mathrm{ve}\)
- C \(\Delta \mathrm{U}=0\)
- D \(\Delta \mathrm{P}=0\)
Answer & Solution
Correct Answer
(C) \(\Delta \mathrm{U}=0\)
Step-by-step Solution
Detailed explanation
Hint: For adiabatic free expansion of an ideal gas \(\mathrm{dq}=0\) \(\mathrm{dU}=0\) \(\mathrm{dH}=0\) \(\mathrm{dT}=0\)
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