Root Mean Square Speed Calculator

Calculate Root Mean Square (RMS) Speed

Enter the temperature of the gas in Kelvin (K).
Enter the molar mass of the gas in grams per mole (g/mol). (e.g., O2 = 31.998, H2 = 2.016)

Determine the Root Mean Square (RMS) speed of gas molecules quickly and accurately. This online tool helps you understand molecular kinetic energy and thermal motion in gases, essential for thermodynamics and physical chemistry.

Formula:

vrms = √((3RT)/M)
Where:
vrms = Root Mean Square Speed (m/s)
R = Ideal Gas Constant (8.314 J/(mol·K))
T = Absolute Temperature (K)
M = Molar Mass (kg/mol)

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