|
Write van der Waal's equation for one mole of a gas
|
|
1
|
12640
|
August 11, 2016
|
|
Explain the following reasons
|
|
1
|
1998
|
December 17, 2016
|
|
The variation of vapour pressure of different liquids with temperature is shown in figure below,
|
|
1
|
2110
|
December 17, 2016
|
|
Explain the term 'Laminar flow. Is the velocity of molecules same in all the layers in laminar flow?
|
|
1
|
2332
|
December 17, 2016
|
|
Viscosity of a liquid arises due to strong intermolecular forces existing between the molecules
|
|
0
|
1982
|
December 17, 2016
|
|
Explain the effect of increasing temperature
|
|
1
|
1135
|
December 17, 2016
|
|
Why does sharp glass edge become smooth on heating it up to its melting point in a flame?
|
|
1
|
2357
|
December 17, 2016
|
|
Explain why evaporation leads to cooling of the liquid
|
|
0
|
1880
|
December 17, 2016
|
|
Isotherms of carbon dioxide at various temperatures are represented in the figure
|
|
1
|
3736
|
December 17, 2016
|
|
Pressure versus volume graph for a real gas
|
|
1
|
3858
|
December 17, 2016
|
|
The compression factor (compressibility factor) for one mole of a van
|
|
1
|
5211
|
December 17, 2016
|
|
Prove that the excluded volume 'b' is four times the actual volume of the gas molecules
|
|
0
|
7618
|
December 17, 2016
|
|
Critical temperature for carbon dioxide and methane
|
|
1
|
2668
|
December 17, 2016
|
|
Name the energy which arises due to motion of atoms
|
|
1
|
2517
|
December 17, 2016
|
|
A gas is enclosed in room
|
|
1
|
2239
|
December 17, 2016
|
|
Give reasons for following
|
|
1
|
4563
|
December 17, 2016
|
|
35 mL of oxygen were collected at 6°C and 758 mm pressure. Calculate its volume at NTP
|
|
0
|
10060
|
December 17, 2016
|
|
At 0°C, the density of a certain oxide
|
|
1
|
931
|
December 17, 2016
|
|
Using the equation of state pV = nRT; show that at a given temperature, density of a gas is proportional to gas pressure p
|
|
0
|
994
|
December 17, 2016
|
|
Value of universal gas constant (R) is same for all gases. What is its physical significance?
|
|
0
|
2427
|
December 17, 2016
|
|
Calculate the volume
|
|
1
|
1079
|
December 17, 2016
|
|
34.05 mL of phosphorus vapour weighs 0.0625 g at 546°C
|
|
1
|
830
|
December 17, 2016
|
|
A human adult breathesin approximately 0.50 L of air at 1 atm with each breath
|
|
1
|
3440
|
December 17, 2016
|
|
A balloon filled with an ideal gas is taken from the surface of the sea deep to a depth of 100 m
|
|
1
|
5076
|
December 17, 2016
|
|
What will be the minimum pressure required to compress 500 $d{{m}^{3}}$ of air at 1 bar to 200 $d{{m}^{3}}$ at 30°C?
|
|
0
|
598
|
December 17, 2016
|
|
On the basis of intermolecular forces and thermal energy, explain
|
|
1
|
2665
|
December 17, 2016
|
|
What is coefficient of vicosity ? From appropriate relation, derive its SI units
|
|
0
|
634
|
August 11, 2016
|
|
Why are liquids drops sherical in shape ? Explain
|
|
0
|
9075
|
August 11, 2016
|
|
Why does sharp glass edge become smooth on heating it up to its melting point in a flame ? Explain which property of liquids is responsible for this phenomenon
|
|
0
|
3809
|
August 11, 2016
|
|
What is the effect of temperature on:
|
|
1
|
1809
|
August 11, 2016
|