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The absolute temperature of a gas is made four times. How many times will its total kinetic energy become ? Root mean square velocity of its molecules ? Pressure?
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0
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1074
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August 22, 2016
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Define root mean square velocity of gas molecules give various relations for it
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0
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9317
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August 22, 2016
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Calculate the average kinetic energy for one molecule of gas at constant volume
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0
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5630
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August 22, 2016
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State Boyle's law and Charle's law of gases from the relation
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0
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3978
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August 22, 2016
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At what temperature is the root mean square speed of an atom in an argon gas cylinder equal to the r.m.s. speed of a helium gas atom at -20°C ? (Atomic mass of Ar = 39.9 and that of He = 4.0 u.)
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0
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4445
|
August 22, 2016
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Estimate the total number of air molecules (inclusive of oxygen, nitrogen, water vapour and other constituents) in a room of capacity 25.0 at a temperature of 27°C and 1 atm pressures
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0
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1895
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August 22, 2016
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Molar volume is the volume occupied by 1 mol cif any (ideal) gas at standard temperature and pressure (STP. 1 atm. pressure 0°C). Show that it is 22.4 litres
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0
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3021
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August 22, 2016
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The volume of vessel A is twice the volume of another vessel B and both of them are filled with the same gas
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1
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1830
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August 22, 2016
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On driving the scooter for a long time the air pressure in tyres slightly increases. Why?
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0
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2156
|
August 22, 2016
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The climate of a harbour town is more temperate (i.e., without extremes of heat and cold) than that of a town in a desert at the same latitude. Why?
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0
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1190
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August 22, 2016
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Two different gases have exactly the same temperature. Does this mean that their molecules move with the same r.m.s. speed?
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0
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2417
|
August 22, 2016
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Let there be a small sticky area on the wall of the container of a gas. Molecules hitting the area sticky there permanently. Is the pressure less or more there as compared to other area of the wall?
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0
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634
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August 22, 2016
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What is the simple meaning of Maxwell's distribution of velocities?
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0
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531
|
August 22, 2016
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Give perfect gas equations
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0
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463
|
August 22, 2016
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On the basis of kinetic theory of gases, explain, how does a gas exert pressure?
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0
|
2039
|
August 22, 2016
|
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Draw P-V curve showing deviations from ideal behaviour for a given mass of gas for two different temperatures
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0
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1424
|
August 22, 2016
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What is an ideal gas ? Why do the real gases show deviations from ideal behaviour?
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0
|
649
|
August 22, 2016
|
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Explain absolute zero of temperature on the basis of kinetic theory of gases
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0
|
3874
|
August 22, 2016
|
|
The volume of vessel A is twice the volume of another vessel B, and both of them are filled with the same gas
|
|
1
|
578
|
August 22, 2016
|
|
The mass of a molecule of krypton is 2.25 times the mass of a hydrogen
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|
1
|
1699
|
August 22, 2016
|
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A box contains equal numbers of molecules of hydrogen and oxygen. If there is a fine hole in the box, which gas will leak rapidly. Why?
|
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0
|
3472
|
August 22, 2016
|
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For an ideal gas, the internal energy can only be translational kinetic energy. Explain
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0
|
1481
|
August 22, 2016
|
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At what temperature does all molecular motion cease ? Explain
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0
|
3457
|
August 22, 2016
|
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What is the average velocity of the molecules of an ideal gas?
|
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0
|
1383
|
August 22, 2016
|
|
What do you man by the r.m.s. speed of the molecules of a gas ? Is r.m.s. speed same as the average speed?
|
|
0
|
3890
|
August 22, 2016
|
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On which factors does the average kinetic energy of gas molecules depend : Nature of the gas, temperature, volume?
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0
|
3330
|
August 22, 2016
|
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What type of motion is associated with the molecules of a gas?
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0
|
1747
|
August 22, 2016
|
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In the kinetic theory of gases, why do we not take into account the changes in gravitational potential energy of the molecule?
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0
|
1371
|
August 22, 2016
|
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When a gas is heated, its temperature increases. Explain it on the basis of kinetic theory of gases
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|
0
|
2049
|
August 22, 2016
|
|
When an automobile travels for a long distance, the air pressure in the tyres increase slightly. Why?
|
|
0
|
1882
|
August 22, 2016
|