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The entropy changes when 1 mole of ideal gas at 27°C is expanded reversibly from 2 litres to 20 litres is(1) 2 cal K^-1 mol^-1(2) 4.6 cal K^-1 mol^-1(3) 4 J K^-1 mol^-1(4) 4.6 kJ K^-1 mol^-1 |
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Answer» The entropy changes when 1 mole of ideal gas at 27°C is expanded reversibly from 2 litres to 20 litres is (1) 2 cal K^-1 mol^-1 (2) 4.6 cal K^-1 mol^-1 (3) 4 J K^-1 mol^-1 (4) 4.6 kJ K^-1 mol^-1 |
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