1.

Calculate the work done (in joules) when 0.2 mole of an idealgas at 300 K expands isothermally and reversibly from initialvolume of 2.5 litres to the final volume of 25 litres.

Answer»

996
1148
11.48
897

Solution :` w = - 2.303nRT LOG. (V_(2))/(V_(1))= - 2.303xx 0.2 xx 8.314 xx 300 log. ( 25)/( 2.5) = - 1148 J`


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