Heat of 30 kcal is supplied to a system and 4200 J of external work is done on the system so that its volume decreases at constant pressure. What is the change in its internal energy. (J=4200 J/kcal)

Heat of 30 kcal is supplied to a system and 4200 J of external work is

1.	Heat of 30 kcal is supplied to a system and 4200 J of external work is done on the system so that its volume decreases at constant pressure. What is the change in its internal energy. (J=4200 J/kcal)
Answer» `1.302xx10^(5)J` `2.302xx10^(5)J` `3.302xx10^(5)J` `4.302xx10^(5)J` ANSWER :A