A gas undergoes a process shown in graph p=f(T). Knowing the Universal Gas Constant R=8.31 J/mol.K, the number of moles of the gas n=5, the molar specific heat of the constant volume C_V=5 cal/mol.k and 1 cal = 4. 18 J. Determine:
a) The type of thermodynamic process undergone by the gas;
b) The volume of gas during the process;
c) the amount of heat that the gas receives during the process;
d) The change of the internal energy of the gas in this process.