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प्रश्न
Calculate the volume occupied by 2 g of hydrogen at 27°C and 4-atmosphere pressure if at STP it occupies 22.4 litres.
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उत्तर
V1 = 22.4 litres
P1 = 1 atm
T1 = 273 K
V2 =?
T2 = 300 K
P2 = 4 atm
`("P"_1"V"_1)/"T"_1 = ("P"_2"V"_2)/"T"_2`
`(1xx22.4)/273 = (4xx"V"_2)/300`
`"V"_2 = 6.15 "litres"`
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संबंधित प्रश्न
State the law which is represented by the following graph:
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 steel cylinder of internal volume 20 litres is filled with hydrogen at 29 atmospheric pressure. If hydrogen is used to fill a balloon at 1.25 atmospheric pressure at the same temperature, what volume will the gas occupy?
Give its
(i) mathematical expression
(ii) graphical representation and
(iii) significance.
50 cm3 of hydrogen is collected over water at 17°C and 750 mmHg pressure. Calculate the volume of a dry gas at STP. The water vapour pressure at 17°C is 14 mmHg.
Assuming temperature remaining constant calculate the pressure of the gas in the following:
The pressure of a gas having volume 100 lits. originally occupying 75 dm3 at 700 mm. 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 _______
Fill in the blank with the correct word, from the words in option:
1 dm3 of a gas is equal to _______.
According to Boyle’s law, the shape of the graph between pressure and reciprocal of volume is _______.
State Boyle’s law
