An external pressure of 2.00 atm causes a gas to compress by 20.0 L. In the...
An external pressure of 2.00 atm causes a gas to compress by 20.0 L. In the process of compression, the gas releases 1200 J of heat to the surroundings. What is the change of the internal energy of this gas?
1 atm = 101325 Pa, 1 L = 0.001 m3 .
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