MEDIUMMCQ SINGLEJEE Advanced ChemistryPhysical ChemistryThermodynamics and ThermochemistryPrevious Year Questions
Which of the following is correct option for free expansion of an ideal gas under adiabatic condition? (2011)
A.q = 0, ∆T ≠ 0, w = 0
B.q ≠ 0, ∆T = 0, w = 0
C.q = 0, ∆T = 0, w = 0✓ Correct
D.q = 0, ∆T < 0, w ≠ 0
Explanation
For free expansion of an ideal gas under adiabatic condition q = 0, ∆T = 0, w = 0. For free expansion, w = 0, adiabatic process, q = 0 ∆U = q + w = 0 Internal energy remains constant means ∆T = 0.
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