Molar Heat (or Enthalpy) of Vaporization Calculator

Calculate the energy required to change a given quantity of substance to gas at any given pressure, using this molar heat of vaporization calculator using Clausius Clapeyron Equation online.

Calculate Heat of Vaporization Using Clausius Clapeyron Equation

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Pascal
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J/mol

Calculate the energy required to change a given quantity of substance to gas at any given pressure, using this molar heat of vaporization calculator using Clausius Clapeyron Equation online.

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Formula:

Molar Enthalpy of Vaporization (Clausius Clapeyron Equation) ΔHvap= (R* ln(p2/p1 ))/((1/T1)-(1/T2)) Where, T1 - Initial Temperature T2 - Final Temperature p1 - Vapour pressure at initial temperature p2 - Vapour pressure at final temperature R - Gas constant (8.31447).

The molar enthalpy of vaporization represented as ΔHvap, also sometimes referred to as the molar heat of vaporization or evaporation.


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