A gas with a fixed number of molecules has of work done on it, and of heat are transferred from the gas to the surroundings. What happens to the internal energy of the gas?

A piston is filled with methane at a pressure of with a current volume of . If the methane doubles in volume isobarically, how much work does the gas do on the surrounding environment?

In the cylinder of a certain internal combustion engine, the hot gas caused by the combustion of the fuel expands from to a volume of at a constant pressure of . How much work will the gas do on the piston during this expansion?

A system absorbs heat and has an equal amount of positive work done on it. What is the change in the internal energy of the system?

Determine the energy needed to bring a rigid metal can of volume from a pressure of to .

How much heat does it take to bring of ethanol from to a saturated vapor?

Use the following values for ethanol in your calculations:

If the volume of a balloon is expanded by against a constant external pressure of , how much heat energy would have to be added in order for the balloon to maintain the same temperature?

Suppose that a sample of an ideal, monatomic gas containing moles is held inside of a container at a temperature of Kelvin. What is the internal energy of this sample?

of nitrogen is allowed to expand from to at a constant temperature of . How much work does the gas do on the surroundings?

A gas has a constant pressure of as it expands by . What is the net work performed on the gas?