Question

calorific value of a fuel is 50 KJ/g . How much of the fuel should be burned to produce 25,000 KJ of heat​

Answer 1

Answer:

500 grams

Explanation:

For 50 kJ of heat to be produced, 1 g of fuel is burnt.

For 1 kJ of heat to be produced, 1/50 g of fuel is burnt.

For 25000 kJ of heat to be produced, 25000/50 g of fuel or 500 g of fuel is burnt.

Answer 2

Explanation:

For 50 kJ of heat to be produced, 1 g of fuel is burnt. For 1 kJ of heat to be produced, 1/50 g of fuel is burnt. For 25000 kJ of heat to be produced, 25000/50 g of fuel or 500 g of fuel is burnt.