This is an MCQ-based quiz on the topic of Properties of Gases and Gas mixtures
This includes the following:-
Equations of State of a Gas
Ideal Gas
Gas Compression
Equations of State
Law of Corresponding States
Dalton’s Law of Partial Pressures and Gibbs Function
According to Avogadro’s law, volume of a g mol of all gases at the pressure of ____ and temperature of ____ is same.
At NTP, the volume of a g mol of all gases is(in litres)
The maximum and minimum values of ɣ is
In the equation p(v^n), n is calculated by
(logp1 + logp2) / (logv2 + logv1)
(logp1 – logp2) / (logv2 – logv1)
(logp1 – logp2) / (logv2 + logv1)
None of the mentioned
Which of the following is true for a polytropic process?
p(v^n) is used to describe the process
It is not adiabatic
It can be reversible
All of the mentioned
For a reversible adiabatic process,
p*(v^ɣ) = constant
T*(v^(ɣ-1)) = constant
T*(p^(1-ɣ)/ɣ) = constant
All of the mentioned
A mole of a substance has a mass equal to the molecular weight of the substance.
True
False
The equation of state is a functional relationship between
Pressure
Molar or specific volume
Temperature
All of the mentioned
Which of the following equation can be used to compute the entropy change between any two states of an ideal gas?
s2-s1 = cv*ln(T2/T1) + R*ln(v2/v1)
s2-s1 = cp*ln(T2/T1) – R*ln(p2/p1)
s2-s1 = cp*ln(v2/v1) + cv*ln(p2/p1)
All of the mentioned
The value of cp and cv depend on
Temperature of the gas
ɣ and R
Pressure of the gas
All of the mentioned
For which of the following gases, does the product (pv) when plotted against p gives depends only on temperature?
Nitrogen
Hydrogen
Air and oxygen
All of the mentioned
The equation of state of a gas is lim(pv)=RT .
True
False
Universal gas constant is given by
Lim(pv) / 273.16
R
0.083 litre-atm/gmol K
All of the mentioned
Which of the following statement is true about a gas?
lim(pv) with p tending to 0 is independent of the nature of gas
lim(pv) with p tending to 0 depends only on the temperature
This holds true for all the gases
All of the mentioned
If two properties (out of p,v,T) of a gas are known, the third can be evaluated.
True
False