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Physics, 20.09.2020 15:01 Aprilbtrippin2004

Consider an ideal gas contained in a cylinder that can do work by pushing against a piston, which has a surface area of 100 cm2 . a. If 10 Btu/min of heat is transferred to the gas for 4 minutes during a constant volume process, what is the total change in internal energy? Express answer in kJ. b. Now suppose that the pressure inside the cylinder is a constant 20 atm, a total of 30 Btu of heat is transferred to the gas, and the gas displaces the piston 15 cm upwards. What is the change in internal energy? Express answer in kJ.

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