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Calculate the rms speed of nitrogen at STP (pressure `=1` atm and temperature `= 0^0 C`. The density of nitrgoen in these conditions is `1.25 kg m^(-3)` |
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Answer» At STP, the pressure is `1.0 xx 10^(5) N m^(-2)`. The rms speed is `v_(rms) = sqrt(3p/rho)` `= sqrt((3 xx 10^(5) N m^(-2))/((1.25 kg m^(-3))` `=490 m s^(-1)`. |
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