If an expirement 5kg of fuel completely burns to produce 1,80,000 kj of heat energy which among the foloowing is its calorofic value a) 40,000 kj b) 35,000kj c) 36,000kj d) 45,000kj

Question

Amelie Norton

Chemistry

12 November, 01:05

If an expirement 5kg of fuel completely burns to produce 1,80,000 kj of heat energy which among the foloowing is its calorofic value a) 40,000 kj b) 35,000kj c) 36,000kj d) 45,000kj

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Answers (1)

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Kathy Singh · Answer 1

36,000 KJ / Kg

Explanation:

Calorific value is the amount of heat energy released on complete combustion

of 1 kg of a fuel.

Unit : kJ/kg

Calculation:

Given dа ta:

Weight of the fuel = 5 kg

Heat produced = 180000 kJ

To find:

Calorific value = ?

Formula:

Calorific value = heat produced / weight of fuel used in Kgs

Calorific value = 180000 / 5

= 36000 kJ/kg