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JEE Main 2013 Question Paper

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Question : 19

Total: 90

A piston filled with 0.04 mol of an ideal gas expands reversibly from 50.0 mL to 375 mL at a constant temperature of 37.0° C. As it does so, it absorbs 208 J of heat. The values of q and w for the process will be: (R = 8.314 J/mol K) ( l n 7.5 = 2.01)

q = – 208 J, w = – 208 J
q = – 208 J, w = + 208 J
q = + 208 J, w = + 208 J
q = + 208 J, w = – 208 J

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