Answer
Specific internal energy of a gas is the internal energy of the gas per unit mass. Here, mass is the intensive property. Hence the specific internal energy of the mixture is not equal to sum of specific internal energies of individual gases in the mixture.
Work Step by Step
Specific internal energy of a gas is the internal energy of the gas per unit mass. Here, mass is the intensive property. Hence the specific internal energy of the mixture is not equal to sum of specific internal energies of individual gases in the mixture.
