Question

Comparing the calorific values of coal and petroleum, state which fuel is better.​

Answer 1

Answer:

Comparing the calorific values of coal and petrol, state which fuel is better. Answer: The calorific value of coal is about 25,000 – 33,000 kJ/kg, whereas that of petrol is 45,000 kJ/kg. Hence, petrol is a better fuel.

Hope it helps you.

Answer 2

Answer:

Liquefied petroleum gas, or LPG, produces more heat than coal, because LPG (50 kJ/g) has higher a calorific value than coal (25-30 kJ/g).

hope it help you