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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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 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 |
 67%
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Two isotherms are drawn at temperatures T1 and T2 as shown. The ratio of mean speed  at T1 and T2 is:
  

1. 1: 4 2. 1: 2
3. 2: 1 4. 4: 1
Subtopic:  Types of Velocities |
 61%
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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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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 pressure of an ideal gas change during the process shown in the diagram?
       

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

Subtopic:  Ideal Gas Equation |
 56%
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The pressure in a diatomic gas increases from P0 to 3P0, when its volume is increased from V0 to 2V0. The increase in internal energy  will be:
     
1. 6PoV0

2. 8.5PoV0

3. 12.5PoV0

4. 14.5PoV0

Subtopic:  Law of Equipartition of Energy |
 66%
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