Chemistry

Gibbs' Phase Rule Calculator

Find degrees of freedom of a system.

Parameters Live Compute
Calculated Output
Degrees of freedom (F) 1
Formula: F = C − P + 2
Step-by-Step Breakdown
1. Values used:
2. Components (C) = 1
3. Phases (P) = 2
4.
5. Degrees of freedom (F) = 1
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The phase rule gives how many variables you can change independently.

The math behind it

F = C − P + 2, where C is the number of components and P the number of phases in equilibrium.

Worked Example

Water boiling (1 component, 2 phases) → F = 1.

Frequently Asked Questions

Triple point?

1 component, 3 phases → F = 0 (a fixed point).

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