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NCERT VIII - Sciences

In an experiment 4.5 kg of a fuel was completely burnt. The heat produced was measured to be 180,000 kJ. Calculate the calorific value of the fuel.



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Mass of fuel = 4.5 kg
energy produced = 180000 kJ

calorific value of a fuel is the amount of energy released when 1 kg of fuel is burnt completely. So
Calorific value = 180000/4.5 = 40000 kJ/kg = 40 MJ/kg
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Mass=4.5kg Energy=180000kj Calorific value=Energy/mass =180000/4.5 =40000kj/kg
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