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Compressibility Factor Calculator

Chemistry
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Calculates the compressibility factor (Z) for a real gas, indicating its deviation from ideal gas behavior.

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How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Pressure, Molar Volume, and Temperature in the units shown.

Step 2

Read Compressibility Factor (Z) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Ideal Gas (STP)

Pressure: 1 atm; Molar Volume: 22.4 L/mol; Temperature: 273.15 K

Compressibility Factor (Z): 0.9988577794

Nitrogen (10 atm, 300 K)

Pressure: 10 atm; Molar Volume: 2.47 L/mol; Temperature: 300 K

Compressibility Factor (Z): 1.002842063

Carbon Dioxide (20 atm, 350 K)

Pressure: 20 atm; Molar Volume: 0.96 L/mol; Temperature: 350 K

Compressibility Factor (Z): 0.6681746998

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