Question

प्रावस्था नियम क्या है​

Answer 1

Explanation:

The phase rule is a general principle governing "pVT systems" in thermodynamic equilibrium, whose states are completely described by the variables pressure, volume (V) and temperature. If F is the number of degrees of freedom, C is the number of components and P is the number of phases, then {\displaystyle F=C-P+2.}