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Let there be a tiny hole in the wall of the container of a gas. What is the pressure on the hole?
|
|
0
|
559
|
August 23, 2016
|
|
Explain the phenomenon of Evaporation
|
|
0
|
938
|
August 23, 2016
|
|
When a gas expands at constant temperature, why does the pressure decrease ? Explain
|
|
0
|
789
|
August 23, 2016
|
|
State Gay Lussac’s law or state law of pressure
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|
0
|
649
|
August 23, 2016
|
|
What is absolute scale to temperature?
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|
0
|
2353
|
August 23, 2016
|
|
State Charle's law
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0
|
427
|
August 23, 2016
|
|
If n1 and P1 are initial number of molecules per unit volume and pressure respectively, «2 and P2 are final number of molecules per unit volume and P2 is pressure then give an expression in accordance with Boyle's law
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0
|
548
|
August 23, 2016
|
|
Derive Charle's law on the basis of kinetic theory of gases
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0
|
3074
|
August 23, 2016
|
|
Derive Boyle's law on the basis of kinetic theory of gases
|
|
0
|
4408
|
August 23, 2016
|
|
Show that the pressure exerted by the gas is two- third of the average kinetic energy per unit volume of the gas molecules
|
|
0
|
8882
|
August 23, 2016
|
|
What do you mean by mean free path of a gas molecule?
|
|
0
|
898
|
August 23, 2016
|
|
Who proposed a model for a gas for the kinetic theory of gases?
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0
|
671
|
August 23, 2016
|
|
What is the lowest temperature attainable according to Charle's law?
|
|
0
|
1739
|
August 23, 2016
|
|
What is the nature of graph P versus (1/V) for a given mass of gas at constant temperature?
|
|
0
|
1127
|
August 23, 2016
|
|
At which temperature does all molecular motion cease?
|
|
0
|
727
|
August 23, 2016
|
|
Name die phenomenon which give direct experimental evidence in support of the molecular motion?
|
|
0
|
767
|
August 23, 2016
|
|
Although the velocity of air molecule is nearly 0-5 km ${{s}^{-1}}$, yet the smell of scent spreads at a much slower rate, why?
|
|
0
|
804
|
August 23, 2016
|
|
Why does evaporation cause cooling?
|
|
0
|
1821
|
August 23, 2016
|
|
What is evaporation?
|
|
0
|
700
|
August 23, 2016
|
|
A gas in a closed vessel is at the pressure Pa. If the masses of all the molecules be made half and there speeds be made double, then find the resultant pressure
|
|
0
|
477
|
August 23, 2016
|
|
When a gas filled in a closed vessel is heated through 1°C, its pressure increases by 0.4%. What is the initial temperature of the gas?
|
|
0
|
15975
|
August 23, 2016
|
|
Write the equation of state for 16 g of ${{O}_{2}}$
|
|
0
|
694
|
August 23, 2016
|
|
Two gases, each at temperature T, volume V and pressure P are mixed such that the temperature and volume of the mixture are T and V respectively. What would be the pressure of the mixture?
|
|
1
|
1544
|
August 23, 2016
|
|
A sample of an ideal gas occupies a volume V at a pressure P and absolute temperature T. The mass of each molecule is m of kB is the Boltzmann's constant, then write the expression for the density of the gas
|
|
0
|
4220
|
August 23, 2016
|
|
Estimate the mean free path and collision frequency of nitrogen molecule in a cylinder containing nitrogen at 2.0
|
|
1
|
3701
|
August 22, 2016
|
|
An.oxygen cylinder of volume 30 litres has an initial gauge pressure of 15 atm
|
|
1
|
2309
|
August 22, 2016
|
|
Determine the numerical values of R
|
|
0
|
1971
|
August 22, 2016
|
|
State and derive the perfect or ideal gas equations
|
|
0
|
12730
|
August 22, 2016
|
|
State and explain Charle's law
|
|
0
|
1557
|
August 22, 2016
|
|
An air bubble of volume 1.0 cm3 rises from the bottom of a lake 40 m deep at a temperature of 12°C. To what volume does it grow when it reaches the surface, which is at a temperature of 35°C
|
|
0
|
2591
|
August 22, 2016
|