Typical ideal gas cy cp~T Cpo triatomic ©Graphs kJ/kmol.K 60 C02 H2O 50 diatomic molecules 40 H2- R ÷----30 Air 2 monatomic gas 5- R ----20 (Ar.He.Ne,Kr.Xe.Rn Kinetic theory 2 1000 2000 3000 Temperature,K 上游充通大 March 19,Z019 8 SHANGHAI JIAO TONG UNIVERSITYMarch 19, 2019 8 Typical ideal gas cv , cp~ T Graphs monatomic gas Kinetic theory 5 2 c R p  7 2 c R p  diatomic molecules triatomic