85 mol sample of an ideal diatomic gas expands adiabatically from a volume of 0.1510 m^ 3 to 0.756 m^ 3 . Initially the pressure was 1.

3 3

Part A 

Determine the initial and final temperatures. 

Enter your answers numerically separated by a comma. 

Part B 

Determine the change in internal energy. 

Part C 

Determine the heat lost by the gas.

Part D 

Determine the work done on the gas. (Assume no molecular vibration.)