Question

Heat is called the internal energy of a substance.Explain.

Answer 1

Answer:

The internal energy of a thermodynamic system is the energy contained within it.The internal energy is an extensive property, and cannot be measured directly. The thermodynamic processes that define the internal energy are transfers of chemical substances or of energy as heat, and thermodynamic work.

Answer 2

Answer:

Explanation:

Thermal is a type of internal energy. Thermal energy is the energy contained within an object due to its temperature and state of matter. Heat is the transfer of thermal energy from one object to another