1 mole of an ideal gas A(C_(v,m)=3R) and 2 mole of an ideal gas B are (C_(v,m)=(3)/(2)R) taken in a container and expended reversibly and adiabatically from 1 litre to 4 litre starting from initial temperature of 320 K. DeltaE "or" DeltaU for the process is :

1 mole of an ideal gas A(C_(v,m)=3R) and 2 mole of an ideal gas B are

1.	1 mole of an ideal gas A(C_(v,m)=3R) and 2 mole of an ideal gas B are (C_(v,m)=(3)/(2)R) taken in a container and expended reversibly and adiabatically from 1 litre to 4 litre starting from initial temperature of 320 K. DeltaE "or" DeltaU for the process is :
Answer» `-240 R` `+240 R` 480 R `-960 R` ANSWER :D