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4. In an isothermal reversible expansion, if the volume

of 96 gm of oxygen at 27°C is increased from 70 litres to 140 litres, then the work done by the gas will be

(a)      300 R log102               (b) 81 R loge2

(c)      900 R log102                (d) 2.3 x 900 R log102

Ans. d

(10)

5/5 - (2 votes)

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