Question

If 20kilojoules of heat is
produced by burning 5kg of fuel,
what will be its calorific value​

Answer 1

Answer:

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Explanation:

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Answer 2

The calorific value is 20kJ/kg. It means that when 5 kg of fuel is burnt, 20 kJ of heat is released.

The amount of fuel burnt that would release 250 kJ of heat is :

20kJ/kg

250kJ

=12.5kg