Chemistry calculator

Gas Molecules from Pressure Volume

Calculate number of molecules using the gas molecules from pressure volume formula.

Pressure (Pa)Volume (m³)Temperature (K)

Number of molecules: -

Visual representation

Gas Molecules from Pressure Volume diagram

The diagram updates with your entries and is illustrative, not necessarily drawn to scale.

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Calculation explained

How this result was calculated

The formula, your substituted values, and the evaluated result are shown below.

Reference: Formulae and Tables, State Examinations Commission (2014), page 65.

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How the Gas Molecules from Pressure Volume works

This calculator applies the formula given in Formulae and Tables, State Examinations Commission (2014), page 65. Enter values in consistent units.

Formula and inputs

pressure × volume ÷ (1.380649e-23 × temperature)

Inputs: Pressure (Pa), Volume (m³), Temperature (K).

Using the result

The result is rounded to 2 decimal places. Check units, assumptions and significant figures before using the answer.