The translational kinetic energy of oxygen molecules at room temperature is 60 J. Their rotational kinetic energy will be?

1. 40 J

2. 60 J

3. 50 J

4. 20 J

Subtopic:  Law of Equipartition of Energy |
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The translational kinetic energy of moles of a diatomic gas at absolute temperature is given by:
1. 52nRT
2. 32nRT
3. 5nRT
4. 72nRT

Subtopic:  Kinetic Energy of an Ideal Gas |
 64%
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If the pressure of a gas is doubled, then the average kinetic energy per unit volume of the gas will be:

1. half of its initial value. 2. double its initial value.
3. one-fourth of its initial value. 4. four times its initial value.
Subtopic:  Kinetic Energy of an Ideal Gas |
 82%
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When a large bubble rises from the bottom of a lake to the surface, its radius doubles. The atmospheric pressure is equal to that of a column of water of height H. The depth of the lake is:

1. H

2. 2H

3. 7H

4. 8H

Subtopic:  Ideal Gas Equation |
 64%
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If at a pressure of \(10^6\) dyne/cm2, one gram of nitrogen occupies \(2\times10^4\) c.c. volume, then the average energy of a nitrogen molecule in erg is:

1. \(14\times10^{-13}\) 2. \(10\times10^{-12}\)
3. \(10^{6}\) 4. \(2\times10^{6}\)
Subtopic:  Kinetic Energy of an Ideal Gas |
 53%
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When the gas in an open container is heated, the mean free path:

1. Increases
2. Decreases
3. Remains the same
4. Any of the above depending on the molar mass

Subtopic:  Mean Free Path |
 58%
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The change in the internal energy of an ideal gas does not depend on?

1. Number of moles
2.  Change in temperature
3. Specific heat at constant pressure \(C_p\) of the gas 
4. Specific heat at constant volume \(C_v\) of the gas

Subtopic:  Law of Equipartition of Energy |
 73%
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The figure shows a process for a gas in which pressure (P) and volume (V) of the gas change. If C1 and C2 are the molar heat capacities of the gas during the processes AB and BC respectively, then:

1. C1=C2

2. C1>C2

3. C1<C2

4. C1C2

Subtopic:  Specific Heat |
 66%
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In the PV graph shown below for an ideal diatomic gas, the change in the internal energy is:
     

1. 32P(V2-V1)

2. 52P(V2-V1)

3. 32P(V1-V2)

4. 72P(V1-V2)

Subtopic:  Law of Equipartition of Energy |
 80%
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How does the temperature change when the state of an ideal gas is changed according to the process shown in the figure?

           

1.  temperature increases continuously.
2. temperature decreases continuously.
3. temperature first increases and then decreases.
4. temperature first decreases and then increases.

Subtopic:  Ideal Gas Equation |
 72%
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