Which of the following curves does not represent Boyle's Law

 

(1) 

(2) `

(3) 

(4) 

Subtopic:  Gas Laws |
 77%
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If the pressure of a given mass of gas is reduced to half and temperature is doubled simultaneously, the volume will be

(1) Same as before                                   

(2) Twice as before

(3) Four time as before                               

(4) One fourth as before

Subtopic:  Ideal Gas Law |
 77%
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The critical volume of a gas is 0.072 lit. mol1. The radius of the molecule will be , in cm

1. 34πx10-2313                           

2. 4π3x10-2313

3. 3π4x10-2313                           

4. 34πx10-8

Subtopic:  Liquefaction of Gases & Liquid |
 68%
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32 gm of oxygen and 3 gm of hydrogen are mixed and kept in a vessel to 760 mm pressure and 0ºC. The total volume occupied by the mixture will be nearly

(1) 22.4 lit.                               

(2) 33.6 lit

(3) 56 lit                                   

(4) 44.8 lit

Subtopic:  Gas Laws |
 69%
From NCERT
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A closed vessel contains equal number of nitrogen and oxygen molecules at pressure of P mm. If nitrogen is removed from the system, then the pressure will be

(1) P                              

(2) 2P

(3) P/2                           

(4) P2

Subtopic:  Dalton's Law |
 72%
From NCERT
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Two vessels of capacities 3 litres and 4 litres are separately filled with a gas. The pressures are respectively 202 kPa and 101 kPa. The two vessels are connected. The gas pressure will be now, at constant temperature.

(1) 151.5 kPa                             

(2) 144 kPa

(3) 303 kPa                                 

(4) 175 kPa

Subtopic:  Graham's Law |
 76%
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2 gms of hydrogen diffuses from a container in 10 minutes. How many gms of oxygen would diffuse through the same time under similar conditions?

1. 0.5 gm                         

2. 4 gm

3. 6 gm                             

4. 8 gm

Subtopic:  Graham's Law |
 55%
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The temperature of a sample of gas is raised from 127ºC to 527ºC. The average kinetic energy of the gas-

(1) Does not changes                         

(2) Is doubled

(3) Is halved                                     

(4) Cannot be calculated 

Subtopic:  Kinetic Theory of Gas |
 81%
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A helium atom is two times heavier than a hydrogen molecule at 298 K, the average kinetic energy of helium is

(1) Two times that of hydrogen molecules

(2) Same as that of hydrogen molecules

(3) Four times that of hydrogen molecules

(4) Half that of hydrogen molecules

Subtopic:  Kinetic Theory of Gas |
 71%
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Two flasks A and B of equal volume containing NH3 and HCl gases, are connected by a narrow tube of negligible volume. The two gases were prevented from mixing by stopper fitted in connecting tube. For further detail of experiment refer to the given figure. What will be final pressure in each flask when passage connecting two tubes are opened. Assume ideal gas behaviour of NH3 and HCl gas and the reaction.

     

(1) 40 mm Hg                                         

(2) 60 mm Hg

(3) 20 mm Hg                                         

(4) 10 mm Hg

Subtopic:  Dalton's Law |
 52%
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