Question

Heat is of energies of all the molecules in the body or system.
Answer/ sum​

Answer 1

Answer:

Internal energy of a body is the total energy (Kinetic and potential) of its molecules. Heat energy is produced at the expense of mechanical energy and vice versa. ... 1 calorie = 4.2 joule 1 calorie = The quantity of heat required to raise the temperature of one gram of water by one degree centigrade.

Explanation:

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