2.4 g coal is burnt in a bomb calorimeter in excess of oxygen at 298 K and 1 atm pressure. The tempe — Thermodynamics and Thermochemistry Chemistry Question

Question

2.4 g coal is burnt in a bomb calorimeter in excess of oxygen at 298 K and 1 atm pressure. The temperature of the calorimeter rises from 298 K to 300 K. The enthalpy change during the combustion of coal is –x kJ mol . The value of x is ______. (Nearest Integer) (Given: Heat capacity of bomb calorimeter 20.0 kJ K . Assume coal to be pure carbon) –1 –1