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%
A ________ is completely homogeneous and uniform state of matter
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
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 4
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 5
Marks : +2 | -2
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 6
Marks : +2 | -2
Pass Ratio : 100%
At standard conditions, what is the volume of 1 kg mole of ideal gas?
22.4 m3
2240 m3
224000 m3
None of the mentioned
Explanation:
V = nRT/P.
Question 7
Marks : +2 | -2
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 8
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 9
Marks : +2 | -2
Pass Ratio : 100%
What is the volume of 2.5 gm moles Nitrogen gas at STP? At 100 KPa pressure and 300 K temperature, 2 gm moles of the gas occupy 20 cubic meter volume.
11.23
22.46
33.69
44.92
Explanation:
P1V1/n1T1 = P2V2/n2T2.
Question 10
Marks : +2 | -2
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.