Question

The Calorific Value of wood is 18,000 kJ/kg. How much of wood is required to produce
7,20,000 kJ of heat energy?

Answer 1

Answer:

Calorific val. Of wood =18000kj/kg.

Therefore, wood req. To produce 720000 kj of heat =

720000/18000= 40 kg of wood

hope it helps..