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CBSE Class 11-science Answered

calculate the R.M.S.velocity of nitrogen molecules at S.T.P.
Asked by rahmani | 27 Dec, 2010, 12:00: AM
answered-by-expert Expert Answer
Dear Student
 
Using the formula and method that THE nerd used:
v = √(3RT/M)

M is the molar mass (in kg)
R is the universal gas constant
T is the temp, in Kelvin
Molar mass  of N2 = 28 g = 0.028 kg
T = 273 K

v = √(3*8.314*273/0.028)
= 493 m/s
 
We hope that clarifies your query.
Regards
Team
Topperlearning
Answered by | 28 Dec, 2010, 09:44: AM

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