Question

The calorific value of methane is 50000kj/kg. How much heat will produce to burn 0.35 kg of methane?
a. 20000 kj
b. 175 kj
c. 0
d. 17500 kj

Answer 1

Answer:

Heat produced while burning methane =50000kj/kg x 0.35kg = 17500kj

Explanation:

Since, we are given that 50000kj of energy is liberated when 1 kg of methane is burned,so when0.35kg is burned, we can multiple with 50000kj/kg and get the required answer.