The condition of SATP refers to:

1. 25 °C and 2 atm             

2. 25 °C  and 1 atm

3. 0 °C  and 2 atm             

4. 25 °C  and 1 bar

Subtopic:  Introduction to States of Matter |
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If 300 ml of a gas at 27°C is cooled to 7°C at constant pressure, its final volume will be:

1. 135 ml 2. 540 ml
3. 350 ml 4. 280 ml
Subtopic:  Gas Laws |
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A plot of volume versus temperature (T) for a gas at constant pressure is a straight line passing through the origin. The plots at different values of pressure are shown in the figure given below.

       

The correct order of pressure is -

         Temperature (K) 

1. p1>p2>p3>p4

2. p1=p2=p3=p4

3. p1<p2<p3<p4

4. p1<p2=p3<p4

Subtopic:  Gas Laws |
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At 0°C, the density of a certain oxide of a gas at 2 bar is the same as that of dinitrogen at 5 bar.

The molecular mass of the oxide would be -

1. 35 g/mol

2. 45 g/mol

3. 70 g/mol

4. 60 g/mol

Subtopic:  Gas Laws |
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The plots of different values of pressure versus temperature are shown in the given figure. The correct order of volume for the following plot is-

     

1. V4 < V3 < V2 < V1

2. V4 > V3 < V2 > V1

3. V4 > V3 > V2 > V1

4. V4 > V3 > V2 < V1

Subtopic:  Gas Laws |
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The variation of pressure with the volume of the gas at different temperatures can be
graphically represented as per the following graph:

  

If the temperature increases from 200K to 400K (at constant pressure), the volume of a
gas would-  

1. Increase

2. Decrease

3. Remain constant

4. 1st decreases then increases

Subtopic:  Gas Laws |
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The density of methane at 2.0 atmosphere pressure and 27°C is- 

1. 0.13 gL–1

2. 0.26 gL–1

3. 1.30 gL–1

4. 2.60 gL–1

Subtopic:  Gas Laws |
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The deviation of a gas from ideal behavior is expected to be minimum at -                                    

1. 350 K and 3 atm                   

2. 550 K and 1 atm

3. 250 K and 4 atm                   

4. 450 K and 2 atm

Subtopic:  Gas Laws |
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The curve that can not represent Boyle's law is -

1.   

2.  

3.  

4.  

Subtopic:  Gas Laws |
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120 g of an ideal gas of molecular weight 40 g mole–1 are confined to a volume of 20 L at 400 K. The pressure of the gas is- 

 (R=0.0821 L atm K1 mole1)

1. 3.90 atm

2. 4.92 atm

3. 6.02 atm

4. 2.96 atm

Subtopic:  Ideal Gas Law |
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