question_answer

One mole of ideal monoatomic gas \[\left( \gamma =5/3 \right)\] is mixed with one mole of diatomic gas\[\left( \gamma =7/5 \right)\]. What is \[\gamma \] for the mixture? \[\gamma \]denotes the ratio of specific heat at constant pressure, to that at constant volume- (use \[\gamma =1+\frac{2}{f}\]where f is degree of freedom)

Answer:

                               1.50