Question

The calorific value of a substance is 40000kj/kg.
Then how much heat will will produce on heating of 8 KJ of that substance?

Answer 1

Answer:

3,20,000

Explanation:

formula = calorific value =heat produced in kj/ total mass burnt

40000kj/kg = x/8kg

x = 40000×8

x= 320000 Heat produced in kj = 3,20,000kj