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Calculator Description
Partial Pressure Calculator v1
The partial pressure calculator calculates the pressure, mass and number of moles of each individual gas in a mixture of fluids

Partial Pressures


A partial pressure is the pressure of an individual gas within a mixture of gases or a liquid or permeable solid.

Each gas in a mixture of different gases will achieve a pressure according to the relationship;
p = RT/V, filling its container as though all the other gases do not exist. All the gases in the mixture will behave in the same way. The total pressure in the container is the sum of all the partial pressures.
This behaviour is defined by Dalton's law
Earth’s atmospheric container is gravity.


The partial pressure calculator can be used to determine the quantity of each gas in the earth's atmosphere, or it can be used to determine the quantity of liquid and each entrained gas required for multi-phase test mixtures (e.g. API 16C), or for defining the limiting quantities of harmful gases such as H₂S in a pipeline carrying sour gas or oil. Partial Pressure's default input data is the earth's atmospheric gases.

Partial Pressure calculates the pressure, mass and moles of each individual gas in a mixture of fluids.

CalQlata’s Table of the Elements provides the RAM of all extant atoms and can be used to calculate the RAM for any molecule you chose.

For help using this calculator see Technical Help

Partial Pressures Calculator - Options

Partial Pressure

Partial Pressure calculates the pressure, mass and moles of each individual gas in a mixture of fluids.

You enter: and the partial pressure calculator will provide:
  • Density
  • Volume
  • Temperature
  • Relative atomic mass 1 to 12
  • %age mass 1 to 12
  • Gas constant
  • Mass (total)
  • Pressure (total)
  • Partial pressures 1 to 12
  • Mass 1 to 12

Check minimum system requirements

Price: 15.00

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