What determines the internal energy of the body?
| January 29, 2021 | education
The internal energy of the body E is the sum of the kinetic energy of motion Ek and the potential energy of interaction En of all its molecules.
E = Ek + En.
The internal energy of the body is determined by the ego’s temperature, state of aggregation and does not depend on the position of the body relative to other bodies and its movement.
According to 1 law of thermodynamics, the internal energy of a body E can be changed in only 2 ways: by transferring the amount of heat Q to it and performing mechanical work A.
ΔE = Q + A.
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