Chemical Process Calculation

Ideal Gas

Question 1
Marks : +2 | -2
Pass Ratio : 100%
What is the volume of 20 gms of Oxygen in Litre at standard conditions?
10
12
14
16
Explanation:
At standard conditions, 1 mole of of gas occupy 22.4 litre volume.
Question 2
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________ of a system gives the condition of a system as specified by its properties.
Property
State
Phase
None of the mentioned
Explanation:
State of a system gives the condition of a system as specified by its properties.
Question 3
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For an ideal gas, the specific molar volume of the gas is doubled then the pressure would be (Other parameters are same)
Same as before
Double
Half
None of the mentioned
Explanation:
Pressure and specific volumes are inversely proportional.
Question 4
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Specific molar volume for an ideal gas is
Volume per mass
Volume per molecular weight
Volume per mole
None of the mentioned
Explanation:
Specific molar volume for an ideal gas is Volume per mole.
Question 5
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Incorrect equation for an ideal is
PV = nRT
Pv = RT
PM = ρRT
None of the mentioned
Explanation:
All three are correct as a & b are ideal gas law and c is in the form of density.
Question 6
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1 atm pressure and 0°C’ condition is known as
Room temperature and pressure
Standard temperature and pressure
Atmospheric temperature and pressure
None of the mentioned
Explanation:
1 atm pressure and 0°C condition is known as standard temperature and pressure (STP).
Question 7
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For an ideal gas, incorrect statement is
Molecules do not occupy any space
No attractive force exist between the molecules
The gas molecules move in random, straight line motion
None of the mentioned
Explanation:
Conditions for a gas to behave as predicated by the ideal gas law.
Question 8
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The inverse of molar volume is
Molar density
Mole fraction
Molar specific volume
None of the mentioned
Explanation:
The inverse of molar volume is Molar density (V/n).
Question 9
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Correct statement is
Gases at low pressure or high temperature behave as an ideal gas
Gases at high pressure or low temperature behave as an ideal gas
Gases at high density behave as an ideal gas
None of the mentioned
Explanation:
Gases at low pressure or high temperature behave as an ideal gas.
Question 10
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Usually while measuring the specific gravity of a gas, the reference gas that is taken is air.
False
True
Depends on the gas
None of the mentioned
Explanation:
Air is usually taken at the same temperature and pressure.