Thermodynamics

For combustion of one mole of magnesium in an open container at 300 K and 1 bar pressure, \(\Delta\)_CH^\(\Theta\) = \(-\)601.70 kJ mol^\(-\)1, the magnitude of change in internal energy for the reaction is __________ kJ. (Nearest integer)

(Given : R = 8.3 J K^\(-\)1 mol^\(-\)1)