Question

Write the mathematic expression for 1st law of thermodynamic

Answer 1

∆Q = ∆W + ∆U


where....
∆Q = change in heat
∆U = Change in internal energy
∆W = work done

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.