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Formula For Average Speed of Gas Molecules

Chemistry Formulas

Average speed (c­avg)

What is the Average speed of gas molecules

As per the kinetic theory of gases, each molecule is moving with an altogether different velocity. Let ‘n’ molecules be present in a given mass of gas, in which n1 molecules have a speed of v1, n2 molecules have a speed of v2, ,nn molecules have a speed of vn. For More Chemistry Formulas just check out main page of Physics Wallah.

i.e. Average velocity vavg = √8RT/πM

Where, R = gas constant

T= Temperature

M= molar mass

since R, M and pie are constant

average speed of gas molecules

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