Question

1. 90 kg of a fuel burns to produce 4,50,000 kJ of heat. Calculate its calorific value.  2Marks​

Answer 1

Explanation:

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Answer 2

total total mass of fuel = 4.5 kg total total heat produced 180,00 kj heat heat produced buy 1 kg of fuel= 180,000 kj /4.5 kg = 40,000 kg/ kj .