Question

State and explain first law of thermodynamics.​

Answer 1

Answer:

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Answer 2

Answer:

The first law of thermodynamics is a version of the law of conservation of energy, adapted for thermodynamic processes, distinguishing two kinds of transfer of energy, as heat and as thermodynamic work, and relating them to a function of a body's state, called Internal energy. 

Formula

U=Q-W

U=change in internal energy

Q=heat added

W=work done by the system

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