Advertisements
Advertisements
प्रश्न
A gas cylinder having a capacity of 20 litres contains a gas at 100 atmos. How many flasks of 200 cm3 capacity can be filled from it at 1 atmos. pressure if the temperature remains constant?
Advertisements
उत्तर
V1 = 20 lits. = 20000 cc
V2 = ?
P1 = 100 atm
P2 = 1 atm
At constant temperature
P1V1 = P2V2
`"V"_2 = ("P"_1"V"_1)/"P"_2 = (100 xx 20000)/1 = 2000000` cc
∴ Number of flasks of capacity 200 cc
n × 200 = 2000000
n = `2000000/200 = 10000` flasks
APPEARS IN
संबंधित प्रश्न
Give reasons for the following:
Inflating a balloon seems to violate Boyle's law.
Give reasons for the following:
It is necessary to specify the pressure and temperature of gas while stating its volume.
At constant temperature, the effect of change of pressure on the volume of a gas was as given below:
|
Pressure in atmosphere |
Volume in liters |
|
0.20 |
112 |
|
0.25 |
89.2 |
|
0.40 |
56.25 |
|
0.60 |
37.40 |
|
0.80 |
28.10 |
|
1.00 |
22.4 |
(a) Plot the following graphs
- P vs V
- P vs 1/V
- PV vs P
Interpret each graph in terms of the law.
(b) Assuming that the pressure values given above are correct, find the correct measurement of the volume.
A certain mass of a gas occupies 2 litres at 27°C and 100 Pa. Find the temperature when volume and pressure become half of their initial values.
Give its
(i) mathematical expression
(ii) graphical representation and
(iii) significance.
Calculate the following:
Calculate the temperature at which a gas ‘A’ at 20°C having a volume, of 500 cc. will occupy a volume of 250 cc.
Assuming temperature remaining constant calculate the pressure of the gas in the following:
The pressure of a gas having volume 1800 ml. originally occupying 300 ml. at 6 atms. pressure.
Fill in the blank with the correct word, from the words in option:
If the pressure of a fixed mass of a gas is kept constant and the temperature is increased, the volume correspondingly _______
State Boyle’s law
Calculate the coefficient of cubical expansion of a zinc bar. Whose volume is increased 0.25 m3 from 0.3 m3 due to the change in its temperature of 50K?
