Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
Initial conditions
T1 = 20 + 273 = 293 K
V1 = 500 c.c
Final conditions
T2 = ?
V2 = 250 cc
`"V"_1/"T"_1 = "V"_2/"T"_2`
`therefore "T"_2 = ("T"_1"V"_2)/"V"_1`
`= (293 xx 250)/500`
T2 = 146.5 K = 146.5 - 273 = - 126.5°C
APPEARS IN
संबंधित प्रश्न
State the law which is represented by the following graph:
Choose the correct answer:
If the pressure is doubled for a fixed mass of a gas, its volume will become
561 dm3 of a gas at STP is filled in a 748 dm3 container. If the temperature is constant, calculate the percentage change in pressure required.
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.
22.4 litres of gas weighs 70 g at STP. Calculate the weight of the gas if it occupies a volume of 20 litres at 27°C and 700 mmHg of pressure.
Correct the following statement:
The volume of a gas is inversely proportional to its pressure at a constant temperature.
A given mass of a gas occupied 143 cm3 at 27° C and 700 mm Hg pressure. What will be its volume at 300 K and 280 mm Hg pressure?
Assuming temperature remaining constant calculate the pressure of the gas in the following:
The pressure of a gas having volume 1500 cm3 originally occupying 750 cc. at 5 ats. pressure.
According to Boyle’s law, the shape of the graph between pressure and reciprocal of volume is _______.
State Boyle’s law
