Chemical Process Calculation

Ideal Gas

Question 1
Marks : +2 | -2
Pass Ratio : 100%
________ 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 2
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 3
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 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
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Pass Ratio : 100%
For the universal gas constant, (cm3)(atm)/(K)(g mole) is an appropriate unit.
Correct
Incorrect
Can`t say
None of the mentioned
Explanation:
Gas constant = R = PV/nT.
Question 6
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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 7
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Pass Ratio : 100%
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 8
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Pass Ratio : 100%
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 9
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 10
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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.