Question

Define heat energy !


Last question :)​

Answer 1

Answer:

the reaction which produces heat by a chemical reaction or by a physical reaction is called heat energy

Answer 2

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Heat is a form of energy.

In Thermodynamic, The change in internal energy of a closed system is equal to the amount of heat applied minus the amount of work done by the system.

And is represented by : ∆ U = Q - W