Chemical Process Calculation

Ideal Gas

Question 1
Marks : +2 | -2
Pass Ratio : 100%
At constant temperature the pressure of an ideal gas is doubled its density becomes
Half
Double
Same
None
Explanation:
Density is proportional to pressure.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
___________is any measurable characteristics of a substance that can be calculated or deduced.
Property
State
Phase
None of the mentioned
Explanation:
Property is any measurable characteristics of a substance that can be calculated or deduced.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
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 4
Marks : +2 | -2
Pass Ratio : 100%
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
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 6
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Pass Ratio : 100%
Mercury and water (Immiscible) in a same container would represent two different phases.
Correct
Incorrect
Can`t say
None of the mentioned
Explanation:
A compound may consists of one or more than one phase.
Question 7
Marks : +2 | -2
Pass Ratio : 100%
A compound may consists of _______ phase.
Only one
Only two
Not more than two
One or more than one
Explanation:
A compound may consists of one or more than one phase.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
Which one has the lowest density at room temperature?
Ne
N2
NH3
CO
Explanation:
NH3 have minimum molecular weight.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
What is the density of Carbon-di-oxide in kg/m3 at 27 degree celcius and 100 KPa?
1.76
2.76
3.76
4.76
Explanation:
density = (Pressure*Molecular weight)/(Gas constant*Temperature).
Question 10
Marks : +2 | -2
Pass Ratio : 100%
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.