Question

what is the first law of equation​

Answer 1

The first law of thermodynamics is the application of the conservation of energy principle to heat and thermodynamicprocesses: The first law makes use of the key concepts of internal energy, heat, and system work. ... It is just that W is defined as the work done on the system instead of work done by the system.

Answer 2

The first law of thermodynamics is a version of the law of conservation of energy, adapted for thermodynamic systems. The law of conservation of energy states that the total energy of an isolated system is constant; energy can be transformed from one form to another, but can be neither created nor destroyed.

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