Heat of 20 K cal is supplied to the system and8400 J of external work is done on the system so that its volume decreases at constant pressure. The change in internal enrgy (J = 4200 J/kcal)

Heat of 20 K cal is supplied to the system and8400 J of external work

1.	Heat of 20 K cal is supplied to the system and8400 J of external work is done on the system so that its volume decreases at constant pressure. The change in internal enrgy (J = 4200 J/kcal)
Answer» `9.24xx10^(4)J` `7.56xx10^(4)J` `8.4xx10^(4)J` `10.5xx10^(4)J` ANSWER :A