JEE Main 202228 Jun, Evening shiftChemistryMediumChemical Thermodynamics84× since 2002
For combustion of one mole of magnesium in an open container at 300 K and 1 bar pressure, _CH^ = 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)