1) 23 degree c = 23+273 =296 Kelvin
2) Nitrogen (Mr 28) mass in this equation ( /1000) = 0.028
3) RMS velocity of N at 23 degrees c = √ (3 x R x T/Mr) √ (3 x 8.31 x 296/0.028)ROG3E
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Root mean square velocity is the measure of the velocity of gas particles that is used for solving problems. It is the square root of the average velocity-squared of the molecules in a gas. The formula for root mean square velocity is sqrt(3RT/Mm) where Mm is the molar mass of the gas in kg / mole, R is the gas constant, and T is the temperature in kelvin.
If you mean, the square root of 4 multiplied by the square root of 5, that is 2x5=10 If you mean, the square root of ( 4x25), that is the square root of 100 which is 10
The principal square root is the non-negative square root.
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