Respuesta :

Slipknot
When measuring energy you measure in "calories" heat is part of temperature, therefore, it is an energy. The heat measurement on coal would be calories of Celsius. Hope this helps! Have a great day!-Slipknot 

Answer:

calories , joules and calorific value.

Explanation:

All fuels that produces some amount of energy on burning in the presence of oxygen. This energy is measured in terms of calories , joules or calorific value.

1 calorific value is the amount of energy produced when one unit weight of coal is burnt in oxygen.  

The calorific value is expressed in terms of  joules per kilogram

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