Advertisements
Advertisements
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.
Advertisements
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"`
APPEARS IN
संबंधित प्रश्न
State the law which is represented by the following graph:

Give reasons for the following:
Inflating a balloon seems to violate Boyle's law.
A gas at 240 K is heated to 127°C. Find the percentage change in the volume of the gas (pressure remaining constant).
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.
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.
Assuming temperature remaining constant calculate the pressure of the gas in the following:
The pressure of a gas having volume 380 lits. originally occupying 800 cm3 at 76 cm. pressure.
Fill in the blank with the correct word, from the words in option:
1 dm3 of a gas is equal to _______.
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?
