Average Speed of Gases Formula

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Average Speed of Gas is the collective speed of a collection of gaseous particles at a given temperature. Average velocities of gases are often expressed as root-mean-square averages. Check FAQs
Vavg=8[R]TgaπMmolar
Vavg - Average Speed of Gas?Tga - Temperature of Gas A?Mmolar - Molar Mass?[R] - Universal gas constant?π - Archimedes' constant?

Average Speed of Gases Example

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With units
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Here is how the Average Speed of Gases equation looks like with Values.

Here is how the Average Speed of Gases equation looks like with Units.

Here is how the Average Speed of Gases equation looks like.

147.1356Edit=88.314545Edit3.141644.01Edit
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Average Speed of Gases Solution

Follow our step by step solution on how to calculate Average Speed of Gases?

FIRST Step Consider the formula
Vavg=8[R]TgaπMmolar
Next Step Substitute values of Variables
Vavg=8[R]45Kπ44.01g/mol
Next Step Substitute values of Constants
Vavg=88.314545K3.141644.01g/mol
Next Step Convert Units
Vavg=88.314545K3.14160.044kg/mol
Next Step Prepare to Evaluate
Vavg=88.3145453.14160.044
Next Step Evaluate
Vavg=147.135585667936m/s
LAST Step Rounding Answer
Vavg=147.1356m/s

Average Speed of Gases Formula Elements

Variables
Constants
Functions
Average Speed of Gas
Average Speed of Gas is the collective speed of a collection of gaseous particles at a given temperature. Average velocities of gases are often expressed as root-mean-square averages.
Symbol: Vavg
Measurement: SpeedUnit: m/s
Note: Value can be positive or negative.
Temperature of Gas A
The temperature of Gas A is the measure of hotness or coldness of gas A.
Symbol: Tga
Measurement: TemperatureUnit: K
Note: Value can be positive or negative.
Molar Mass
Molar Mass is the mass of a given substance divided by the amount of substance.
Symbol: Mmolar
Measurement: Molar MassUnit: g/mol
Note: Value can be positive or negative.
Universal gas constant
Universal gas constant is a fundamental physical constant that appears in the ideal gas law, relating the pressure, volume, and temperature of an ideal gas.
Symbol: [R]
Value: 8.31446261815324
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288
sqrt
A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
Syntax: sqrt(Number)

Other formulas in Factors of Thermodynamics category

​Go Absolute Humidity
AH=WV
​Go Degree of Freedom given Equipartition Energy
F=2K[BoltZ]Tgb
​Go Molar Mass of Gas given Average Speed of Gas
Mmolar=8[R]TgaπVavg2
​Go Molar Mass of Gas given Most Probable Speed of Gas
Mmolar=2[R]TgaVp2

How to Evaluate Average Speed of Gases?

Average Speed of Gases evaluator uses Average Speed of Gas = sqrt((8*[R]*Temperature of Gas A)/(pi*Molar Mass)) to evaluate the Average Speed of Gas, Average speed of gases is a collection of gaseous particles at a given temperature.Average velocities of gases are often expressed as root-mean-square averages. Average Speed of Gas is denoted by Vavg symbol.

How to evaluate Average Speed of Gases using this online evaluator? To use this online evaluator for Average Speed of Gases, enter Temperature of Gas A (Tga) & Molar Mass (Mmolar) and hit the calculate button.

FAQs on Average Speed of Gases

What is the formula to find Average Speed of Gases?
The formula of Average Speed of Gases is expressed as Average Speed of Gas = sqrt((8*[R]*Temperature of Gas A)/(pi*Molar Mass)). Here is an example- 147.1356 = sqrt((8*[R]*45)/(pi*0.04401)).
How to calculate Average Speed of Gases?
With Temperature of Gas A (Tga) & Molar Mass (Mmolar) we can find Average Speed of Gases using the formula - Average Speed of Gas = sqrt((8*[R]*Temperature of Gas A)/(pi*Molar Mass)). This formula also uses Universal gas constant, Archimedes' constant and Square Root Function function(s).
Can the Average Speed of Gases be negative?
Yes, the Average Speed of Gases, measured in Speed can be negative.
Which unit is used to measure Average Speed of Gases?
Average Speed of Gases is usually measured using the Meter per Second[m/s] for Speed. Meter per Minute[m/s], Meter per Hour[m/s], Kilometer per Hour[m/s] are the few other units in which Average Speed of Gases can be measured.
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