Question

calorific value of coal is about 25,000 kJ/kg find the amount of coal required to produce 10,000 KJ of heat energy​

Answer 1

Answer:

• Heat of combustion of kerosene is similar to that of diesel fuel; its lower heating value is 43.1 MJ/kg (around 18,500 Btu/lb), and its higher heating value is 46.2 MJ/kg (19,900 Btu/lb).