A piston is used to seal one mole of oxygen gas inside a cylinder pump. The pist

Question

A piston is used to seal one mole of oxygen gas inside a cylinder pump. The piston is free to move, but no gas can enter or leave the pump. Neglect friction between the piston and cylinder wall. When the piston is very quickly pressed inward, do the following quantities increase, decrease, or remain the same? The volume of the gas The temperature of the gas The internal energy of the gas The pressure of the gas determine whether the following quantities are positive, negative, or zero: The work done on the gas The heat transfer to the gas

Explanation / Answer

The work done on the gas is always negative.

the heat supplied to the gas is always positive.

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