### Solutions

goals
At constant pressure, a sample of helium gas has a volume of $800ml$ at ${27}^{o}C$
An ideal gas expands according to the law ${PV}^{2}=$ constant.
(a) Is it heated or cooled?
(b) What is the molar heat capacity in this process?
An ideal gas expands according to the law ${PV}^{2}=$ constant.
(a) Is it heated or cooled?
(b) What is the molar heat capacity in this process?
An ideal gas expands according to the law ${PV}^{2}=$ constant.
(a) Is it heated or cooled?
(b) What is the molar heat capacity in this process?
An ideal gas expands according to the law ${PV}^{2}=$ constant.
(a) Is it heated or cooled?
(b) What is the molar heat capacity in this process?