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14 questions
Whether the gas has mass
yes
No
None of the above
What is an ideal gas
A gas obeys the gas laws
A gas does not obey the gas laws
A gas obeys only the Boyle's law
A gas which doesn't obey the Charles' law
Which law the following relation describes
PV= a constant
Charles's law
Boyle's law
Both the above
Avogadro's law
Identify the graph which describe the Charles' law
A sample of helium gas has a volume of 520cm3 at 1000C. Calculate the temperature at which the volume will become 250cm3. Assume the pressure to be constant
236.45K
101.23K
179.33K
Which among the following is the equation for Avogadro's law
P1V1=P2V2
T=k*V
V1N1=V2N2
V1/n1=V2/n2
What is the value of R in calK-1mol-1
8.314
0.0821
8.314*107
1.987
What is the characteristic of elastic collisions?
Loss of energy during the collision
No loss of energy during the collision
loss of matter
What is Most probable velocity in gases
velocity possessed by maximum number of molecules
velocity possessed by fast moving particles
velocity possessed by slow moving particles
What is the significance of area under Maxwell-Boltzmann curve
The area will give the maximum fraction of molecules at a particular temperature
It will give the total number of molecules in the gas
it is a measure of molecules with high velocity
It is an indication of probability of molecules
What is the equation for rms velocity
πM8RT
M3RT
M2RT
How rms velocity is related to average velocity?
3π8μ
32μ
3.5μ
Which quantity is used to show the extent of variation of real gases from ideal behavior
compressibility factor
partial pressure
inversion temperature
continuity of state
what is the form of van der Waal's equation at high pressures
PV=nRT
P(V-b)=RT
(P+a/V2)(V-b)=nRT
continuity of state
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