1.

Rms speed of hydrogen molecule at 27°C:(a)193 kms -1(b)1.93 kms -1(c)19.3 kms - 1(d) 0.193 kms -1​

Answer»

THE RMS SPEED OF HYDROGEN AT 25°C IS 1.93KM/S

The RMS speed which is the root mean square speed of NAY gaseous molecule is given by:-

                                     V=\sqrt{\frac{3RT}{M} }

  • WHERE R= universal gas constant=
  • T = Temperature
  • M= Molecular weight of gaseous molecule
  • M = 0.002 kg/mol
  • T = 273+27= 300 K
  • Putting above in formula  we get  V= 1.93 km/s


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