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59. A flask is filled with 13 gm of an ideal gas at

27°C and its temperature is raised to 52°C. The mass of the gas that has to be released to maintain the temperature of the gas in the flask at 52°C and the pressure remaining the same is

(a) 2.5 g                         (b) 2.0 g

(c) 1.5 g                          (d) 1.0 g

Answer-d

(7)

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