A system contains an amount of helium at a volume of 1.1 3, a pressure of 210  and the temperature is 20.=207722.

A. Calculate the distribution of helium and the total mass (m) of the gas. 

The gas expands isothermally to a volume of 1.8 3. The following applies to external work:

The gas expands isothermally to a volume of 1.8 3. The following applies to external work:

==21

Consider the gas ideal.

b. Calculate the amount of heat supplied to the gas.

Consider the gas ideal.