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Which of the following is correct option for free expansion of an ideal gas

Which of the following is correct option for free expansion of an ideal gas under adiabatic condition

Options

(a) q = 0, ΔT ≠ 0, w = 0
(b) q ≠ 0, ΔT = 0, w = 0
(c) q = 0, ΔT = 0, w = 0
(d) q = 0, ΔT < 0 , w ≠ 0

Correct Answer:

q = 0, ΔT = 0, w = 0

Explanation:

For free expansion of an ideal gas under adiabatic condition, q = 0, ΔT = 0, w = 0.

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