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#13-Law-of-Equipartition-of-Energy
(Physics) > Kinetic Theory of Gases

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A diatomic molecule has how many degrees of freedom-                                                                                             

(1) 3            (2) 4           (3) 5              (4) 6

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Mean kinetic energy per degree of freedom of gas molecules is:

1. 32kT             

2. kT             

3. 12kT             

4. 32RT

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A gas mixture consist of 2 moles of O2 and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is:

1. 4RT 

2. 15RT

3. 9RT

4. 11RT

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Which one of the following gases possesses the largest internal energy?
1. \(2\) moles of helium occupying \(1 ~\text m^3\) at \(300 ~\text K\)
2. \(56~\text{kg}\) of nitrogen at \(10^5 ~\text{Nm}^{-2}\) and \(300 ~\text K\)
3. \(8\) grams of oxygen at \(8~\text{atm}\) and \(300 ~\text K\)
4. \(6 \times 10^{26}\) molecules of argon occupying \(40 ~\text m^3\) at \(900 ~\text K\)
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The degrees of freedom of a triatomic gas is

1.  2                                 

2.  4

3.  6                                 

3.  8

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