The density of nitrogen at S.T.P is1.251kgm^-3. calculate the r.m.s. velocity of nitrogen molecules.
Density
"\\rho=1.251kg\/m^3"
STP
Pressure
"P=1.013\\times10^{5}pa"
We know that
"v_{RMS}=\\sqrt\\frac{3P}{\\rho}"
Put value
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