Question

Latent heat of vaporisation of a liquid at 500 K and 1 atm pressure is 10.0 Kcal/mol. What will be the
change in internal energy of 3 mol of liquid at same temperature and pressure
(1) 13.0 Kcal
(2) -13.0 Kcal (3) 27.0 Kcal
(4) -27.0 Kcal​

Answer 1

-27.0 Kcal will be the

change in internal energy of 3 mol of liquid at same temperature and pressure.