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Partial Pressure — result sheet
Calculate a component gas's partial pressure from total pressure and its mole fraction.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Component partial pressure = total pressure x component mole fraction.
For an ideal gas mixture, Dalton's law relates a component's partial pressure to the total pressure and its share of the total amount of gas.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Total pressure — kPa; minimum 0; maximum 1000000000000
- Component mole fraction — minimum 0; maximum 1
Worked example
| Input | Value |
|---|---|
| Total pressure | 101.325 |
| Component mole fraction | 0.25 |
Component partial pressure 25.33125 kPa.
Assumptions and limits
- The mole fraction is between zero and one and the pressure is a nonnegative magnitude.
- The mixture follows the ideal-gas partial-pressure model; interactions and fugacity corrections are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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