Question

The si unit of change in internal energy is

Answer 1

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The answer is "Joule''.
The SI unit of internal energy is "Joule (J)". So, Change in internal energy will also have the same unit. Internal energy is the energy of a system which is contained within the system. It includes the change in energy of the system that is due to change in its internal state. By doing work, the internal energy of a system can be changed.

Answer 2

The answer is Joules (J).

The SI unit of change in internal energy is Joules (J).

Explanation:

Internal energy refers to the energy inside a system because of the relative positioning and interacting among various parts of the system. A change in internal energy takes place because of the exchange of energy between the system and its surroundings. Thus, the change in internal energy has the same unit as that of internal energy.