Calculate the KE per molecule and also rms velocity of a gas at `127^(@)C`. Given `k = 1.38 xx 10^(-23) J "molecule"^(-1) K^(-1)` and mass of each molecule `= 6.4 xx 10^(-27) kg`.

Calculate the average kinetic energy of neon molecule at 27^@ C . Given k_(B) = 1.38 xx 10^(-23) JK^(-1) .

Calculate the kinetic energy of one mole of argon at 127^(@)C . Given,Boltzmann's constant, k_(B) = 1.381 xx 10^(-23) J "molecular"^(-1) K^(-1) . Avogardro numbe, N = 6.02 xx 10^(23) "mol"^(-1)

Calculate the average momentum of a hydrogen molecule at 20^(@)C . Boltzmann constant =1.38xx10^(-23) JK^(-1) and mass of a hydrogen molecule =3.2xx10^(-27)kg .

Calculate the average kinetic energy of hydrogen molecule at 0^@ C . Given k_(B) = 1.38 xx 10^(-23) JK^(-1) .

Calculate the average kinetic energy of neon molecule at 27^(@)C . Given k_(B)=1.38xx10^(-23)JK^(-1)

How many degrees of freedom are associated with 2 gram of helium at NTP ? Calculate the amount of heat energy required to raise the temp. Of this amount from 27^(@) C to 127^(@) C . Given Boltzmann constant k_(B) = 1.38 xx 10^(-16) erg "molecule"^(-1) K^(-1) and Avogadro's number =6.02 xx 10^(23) .

Calculate the temperature at which the average K.E. of a molecule of a gas will be the same as that of an electron accelerated through 1 volt. Boltzmann constant = 1.4 xx 10^(-23) J "molecule"^(-1) K^(-1) , charge of an electron = 1.6 xx 10^(-19)C .

Calculate the average kinetic energy of hydrogen molecule at 0^(@)C . Given k_(B)=1.38xx10^(-23)JK^(-1) .

Imagine a planet whose diameter and mass are both one half of those of earth. The day's temperature of this planet surface reaches upto 800 K . ? Make calculation and tell whether oxygen molecules are possible in the atmosohere of the planet. [Escape velocity from earth's surface = 11.2 km//s, k = 1.38 xx 10^(-23)J//K , mass of oxygen molecule = 5.3 xx 10^(-26) kg ].