One mole of ideal gas is allowed to expand reversibly and adiabatically from a temperature of 27...

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One mole of ideal gas is allowed to expand reversibly and adiabatically from a temperature of 27 C. If the work done by the gas in the process is \( 3 \mathrm{~kJ} \), the final temperature will be equal to \( \left(\mathrm{C}_{\mathrm{v}}=20 \mathrm{~J} / \mathrm{K} \mathrm{mol}\right) \)
(A) \( 100 \mathrm{~K} \)
(B) \( 450 \mathrm{~K} \)
(C) \( 150 \mathrm{~K} \)
(D) \( 400 \mathrm{~K} \)
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