One liter of gas A and two liters of gas B, both having the same temperature 100°C and the same pressure 2.5 bar will have the ratio of average kinetic energies of their molecules as:

1. 1:1       

2. 1:2     

3. 1:4       

4. 4:1

Subtopic:  Kinetic Energy of an Ideal Gas |
 73%
From NCERT
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On \(0^{\circ}\text{C}\), the pressure measured by the barometer is \(760\) mm.  What will be pressure at \(100^{\circ}\text{C}\)?
1. \(760~\text{mm}\)
2. \(730~\text{mm}\)
3. \(780~\text{mm}\)
4. None of these

Subtopic:  Ideal Gas Equation |
 54%
From NCERT
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By what percentage, should the pressure of a given mass of gas be increased, so as to decrease its volume by 10% at a constant temperature?

1. 5%     

2. 7.2 %       

3. 12.5%         

4. 11.1%

Subtopic:  Ideal Gas Equation |
 76%
From NCERT
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In the adjacent V-T diagram what is the relation between P1 and P2 ?


1. P2=P1                               

2. P2>P1

3. P2<P1                                 

4. cannot be predicated

 

Subtopic:  Ideal Gas Equation |
 77%
From NCERT
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Which one of the following graph is correct at constant pressure?

1. 2.
3. 4.
Subtopic:  Ideal Gas Equation |
 62%
From NCERT
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The root-mean-square velocity of the molecules in a sample of helium is 57th of that of the molecules in a sample of hydrogen.  If the temperature of the hydrogen gas is 0°C, that of the helium sample is about:

1. 0°C       

2. 5.6°C      

3. 273°C         

4. 100°C

Subtopic:  Types of Velocities |
From NCERT
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The kinetic energy of one gram molecule of a gas at standard temperature and pressure is: (R = 8.31 J/mol-K)

 

1. 0.56 ×104 J             

2. 1.3×102 J

3. 2.7×102 J                 

4. 3.4×103 J

Subtopic:  Kinetic Energy of an Ideal Gas |
 59%
From NCERT
PMT - 1997
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Gases exert pressure on the walls of containing vessel because  the gas molecules:

1. Possess momentum

2. collide with each other

3. have finite volume

4. obey gas laws

Subtopic:  Kinetic Energy of an Ideal Gas |
 52%
From NCERT
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The equation of state for 5 g of oxygen at a pressure P and temperature T, when occupying a volume V, will be: (where R is the constant)

1. PV = 5RT

2. PV = 52RT

3. PV = 516RT

4. PV = 532RT

Subtopic:  Ideal Gas Equation |
 83%
From NCERT
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The equation p+av2v-b=RT is known as:

1. Perfect gas equation

2. Joule Thomson's equation

3. Vander Waal's equation

4. Maxwell's equation

Subtopic:  Ideal Gas Equation |
 83%
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