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^(-1)K^(-1)) (In 7.5 = 2.01)

A piston filled with 0.04 mol of an ideal gas expands reversibly from

1.	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^(-1)K^(-1)) (In 7.5 = 2.01)
Answer» `Q = + 208 J, w = + 208 J` `q = + 208 J, w = - 208 J` `q = - 208 J, w = - 208 J` `q = - 208 J, w = + 208 J` Solution :Since it absorbs heat q = +280 K Since the process is isothermal `DELTAU = 0` From first law of thermodynamics, `DeltaU = q + w` `0 = 208 + w or w = -208 J`