Clausius–Clapeyron Equation

Calculate Clausius–Clapeyron Equation instantly with the exact formula and a worked example.

Clausius–Clapeyron Equation

ΔH vap, kJ/mol
T₁, K
T₂, K
P₁, kPa
P₂, kPa
42.7613
Calculate Clausius–Clapeyron Equation instantly with the exact formula and a worked example.

More about: Clausius–Clapeyron Equation

What it calculates

The “Clausius–Clapeyron Equation” calculator computes P₂, kPa from 4 parameters: δh vap, kj/mol, t₁, k, t₂, k, p₁, kpa.

A standard physics formula used in educational and engineering tasks.

Example calculation

With parameters ΔH vap, kJ/mol = 40.7, T₁, K = 373, T₂, K = 350, P₁, kPa = 101.3 the result is 42.76.

How to use

  1. Enter δh vap, kj/mol, t₁, k, t₂, k and p₁, kpa — each field above is adjustable with a slider.
  2. P₂, kPa is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Clausius–Clapeyron Equation calculated?
The Clausius–Clapeyron Equation calculator computes P₂, kPa from δh vap, kj/mol, t₁, k, t₂, k, p₁, kpa. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Clausius–Clapeyron Equation calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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