If an ideal gas has volume V at 27°C and it is heated at a constant pressure so that its volume becomes 1.5V. Then the value of final temperature will be

1. 600°C                             

2. 177°C

3. 817°C                             

4. None of these

Subtopic:  Ideal Gas Equation |
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A tyre kept outside in sunlight bursts off after sometime because of :

1. Increase in pressure                                 

2. Increases in volume

3. Both (a) and (b)                                       

4. None of these

Subtopic:  Ideal Gas Equation |
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In Boyle's law what remains constant :

1. PV                                     

2. TV

3. VT                                     

4. PT

Subtopic:  Ideal Gas Equation |
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The figure shows two flasks connected to each other. The volume of the flask 1 is twice that of flask 2. The system is filled with an ideal gas at temperature 100 K and 200 K respectively. If the mass of the gas in flask 1 be m, then what is the mass of the gas in flask 2?

         

1. m                                       

2. m2

3. m4                                     

4. m8

Subtopic:  Ideal Gas Equation |
 75%
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The absolute temperature of a gas is determined by

1. The average momentum of the molecules

2. The velocity of sound in the gas

3. The number of molecules in the gas

4. The mean square velocity of the molecules

Subtopic:  Types of Velocities |
 72%
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At room temperature, the rms speed of the molecules of certain diatomic gas is found to be \(1930\) m/s. The gas is:
1. \(H_2\)
2. \(F_2\)
3. \(O_2\)
4. \(Cl_2\)

Subtopic:  Types of Velocities |
 62%
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Moon has no atmosphere because :

1. The r.m.s. the velocity of all gases is more than the escape velocity from the moon's surface.

2. Its surface is not smooth.

3. It is quite far away from the earth.

4. It does not have a population and plants.

Subtopic:  Types of Velocities |
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The molecules of a given mass of a gas have a r.m.s. velocity of 200 m/sec at 27°C and 1.0×105 N/m2 pressure. When the temperature is 127°C and pressure is 0.5×105 N/m2, the r.m.s. velocity in m/sec will be

1. 10023                             

2. 1002

3. 4003                                 

4. None of the above

Subtopic:  Types of Velocities |
 81%
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Which of the following statement is true?

1. Absolute zero degree temperature is not zero energy temperature.

2. Two different gases at the same temperature pressure have equal root mean square velocities.

3. The root mean square speed of the molecules of different ideal gases, maintained at the same

    temperature are the same.

4. Given sample of 1 cc of hydrogen and 1 cc of oxygen both at NTP; oxygen sample has a large

    the number of molecules.

Subtopic:  Ideal Gas Equation |
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At which temperature the velocity of \(\mathrm{O_2}\) molecules will be equal to the velocity of \(\mathrm{N_2}\) molecules at \(0^\circ \mathrm{C}?\)

1. \(40^\circ \mathrm{C}\) 2. \(93^\circ \mathrm{C}\)
3. \(39^\circ \mathrm{C}\) 4. Cannot be calculated
Subtopic:  Types of Velocities |
 78%
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