Question

What is first law of thermodynamics .

Answer 1

First law of thermodynamics: When energy passes, as work, as heat, or with matter, into or out from a system, the system'sinternal energy changes in accord with the law of conservation of energy. Equivalently, perpetual motion machines of the first kind are impossible.

Answer 2

Explanation:

First law of Thermodynamics :- ---------

→ According to this La energy can neither be created nor be destroyed. So you in any physical or chemical process Total energy of universe is constant .

°•° ∆U = q + W.