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Calorific value of wood is 18,000 …

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Calorific value of wood is 18,000 kj/kg. How much of wood is required to produce 360,000 kj of heat energy?

Posted by Nisha Kumari 2 months, 3 weeks ago

CBSE > Class 08 > Science

2 answers

Hari ⚡🏎️⚡ 2 months ago

The calorific value of wood = 18000 The calorific value of any material is actually the amount of calories or energy generated when per Kg of that material is burnt. The calorific value of wood is given = 18000 KJ/kg which means 1kg of wood when burnt will give out 180000kj of energy. Now needed energy is 108000kj. Hence, the amount of wood that needs to be burnt will be = 108000/18000= 6 kg

Dhanush Dhanraj 2 months, 3 weeks ago

2kg

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