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Gibbs' Phase Rule Calculator
Calculate the degrees of freedom ($F$) in a thermodynamic system
Formula: $F = C - P + N$
Where $C$ = Number of Components, $P$ = Number of Phases, and $N$ = Non-compositional variables (usually 2 for Temperature & Pressure).
Where $C$ = Number of Components, $P$ = Number of Phases, and $N$ = Non-compositional variables (usually 2 for Temperature & Pressure).
System Variables
Calculation Results
⚠️ The standard Gibbs' Phase Rule assumes that the system is uninfluenced by external electric, magnetic, or gravitational fields. A negative degree of freedom indicates an impossible thermodynamic state under the chosen variables.