Science & Environment
Van der Waals Real Gas Pressure Calculator
Calculate real gas pressure using the Van der Waals equation, correcting for molecular volume and attraction.
Your inputs
Change any value to update the result instantly.
Real gas pressure
2.4573 atm
Ideal gas pressure
2.463 atm
Deviation
0.0057 atm
Corrected volume (V-nb)
9.9682 L
Formula and working
P = nRT/(V-nb) - a·n²/V²
- 1
Collect the inputs
Moles = 1 mol; Volume = 10 L; Temperature = 300 K; Van der Waals a = 1.36 L²·atm/mol²; Van der Waals b = 0.0318 L/mol
- 2
Apply the formula
P = nRT/(V-nb) - a·n²/V²
- 3
Result
Real gas pressure = 2.4573 atm
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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