//// //Variable Declaration Mne = 0.0201797 //Molecular wt of ne, kg/mol Mkr = 0.0837980 //Molecular wt of kr, kg/mol Vmne = 0.0224 //Std. state molar volume of ne, m3 Vmkr = 0.0223 //Std. state molar volume of kr, m3 h = 6.626e-34 //Planks's Constant, J.s NA = 6.022e23 //Avagadro's Number, 1/mol k = 1.38e-23 //Boltzmann constant, J/K T = 298 //Std. state temeprature,K R = 8.314 //Ideal gas constant, J/(mol.K) n = 1.0 //Number of mole, mol //Calcualtions mne = Mne/NA mkr = Mkr/NA Labdane = sqrt(h**2/(2*%pi*mne*k*T)) Labdakr = sqrt(h**2/(2*%pi*mkr*k*T)) Sne = 5.*R/2 + R*log(Vmne/Labdane**3)-R*log(NA) Skr = 5.*R/2 + R*log(Vmkr/Labdakr**3)-R*log(NA) //Results printf("\n Thermal wave lengths for Ne is %4.2e m3",Labdane) printf("\n Std. Molar entropy for Ne is %4.2f J/(mol.K)",Sne) printf("\n Thermal wave lengths for Kr is %4.2e m3",Labdakr) printf("\n Std. Molar entropy for Kr is %4.2f J/(mol.K)",Skr)