Vapor Pressure Calculator

Formula: Vapor pressure: P2=P1 exp( Hv)R (1T1 1T2 ) )

Enter the unknown value as ‘ x ‘

Vapor Pressure of Interest at T2 (P2)= atm

The Corresponding temperature (T2)= kelvin

The Temperature at Another Point(T1)= kelvin

Vapor Pressure at the Known Temperature T1(P1)= atm

The Molar Enthalpy of VaporizationH)= joule/mole

x =


Vapor Pressure Calculator is a free online tool that displays the vapor pressure of a solid or liquid at a given temperature. BYJU’S online vapor pressure calculator tool makes the calculation faster and it displays the vapor pressure in a fraction of seconds.

How to Use the Vapor Pressure Calculator?

The procedure to use the vapor pressure calculator is as follows:

Step 1: Enter the temperature, molar enthalpy of vaporization, and x for the unknown in the input field

Step 2: Now click the button “Calculate x” to get the result

Step 3: Finally, the vapor pressure at the specific temperature will be displayed in the output field

What is Meant by Vapor Pressure?

The vapor pressure is defined as the pressure which is caused by the evaporation of liquids (or solids). The vapor pressure may be liquid state vapor pressure or solid-state vapor pressure.  The vapor pressure is formed due to the thermodynamic equilibrium state with the solids or liquids at a given temperature in the closed system. The three main factors of the vapor pressure are temperature, surface area and the intermolecular force. Generally, the molecules vapor pressure differs at different temperatures.


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