# Boyle's Law

## Trending Questions

**Q.**

What will be the minimum pressure required to compress 500 dm3 of air at 1 bar to 200 dm3 at 300C?

**Q.**Explain the working principle of pressure cookers.

**Q.**What is the difference between Charles law and Boyle’s law

**Q.**

Explain boyle's Law on the basis of the kinetic theory of matter.

**Q.**

An LPG cylinder contains 15 kg butane at 27℃ and 10 atm pressure. It is leaking. If its pressure decreases to 8 atm after one day, then the quantity of gas leaked is:

2 kg

1 kg

4 kg

3 kg

**Q.**

At ${80}^{\xb0}\mathrm{C}$ the vapour pressure of pure liquid A is $520\mathrm{mm}\mathrm{of}\mathrm{Hg}$ and that of pure liquid B is $1000\mathrm{mm}\mathrm{Hg}$. If a mixture solution of A and B boils at and $1$ atm pressure, the amount of A (mole percent) in the mixture is$(1\mathrm{atm}=760\mathrm{mm}\mathrm{Hg})$.

$50\%$

$54\%$

$32\%$

$44\%$

**Q.**

Which of the following represents Volume - Pressure graph for Ideal gas?

None of these

**Q.**

'For an ideal gas, the product of pressure and volume is always constant irrespective of the temperature.' State true or false.

False

True

**Q.**

According to Charles' law, volume of a gas increases or decreases by _______ of its original volume at 0^{0}C for each degree centigrade rise or fall in temperature.

1/273

298

1/298

273

**Q.**

A vessel of capacity 600cm^{3} contains Hydrogen gas at a pressure of 304 cm of Hg. What will be the pressure of Hydrogen gas, when the vessel is connected to another vessel of the volume of 300cm^{3} capacity.

**Q.**Diffusion is the movement of particles from the area of high concentration to low concentration.

- True
- False

**Q.**

561dm3 fo a gas at S.T.P. is filled in a 748dm3 container. If temperature is constant, calculate th epercentage change in pressure required.

**Q.**

Air is dense at sea level. This is an application of Boyle’s law.

Boyle’s law

Charle’s law

**Q.**

A gas of volume 2000ml is kept in a vessel at a pressure of 103 pascals at a temperature of 27∘ C. If the pressure is increased to 105 pascals at the same temperature, the volume of the gas becomes

1000 ml

20 ml

2 ml

200 ml

**Q.**

Correct the follwoing statements.

(a) Volume of a gas is inversely proportional to its pressure at constant temperature.

(b) Volume of a fixed mass of a gas is directly proportional to its temperature, pressure remaining constant.

(c) 0∘C is equal to zero Kelvin.

(d) standard temperature is 25∘C

(e) Boiling point of water is 273 K.

**Q.**As per Boyle's law, the parameter that is kept constant is

- temperature
- pressure
- volume

**Q.**At constant temperature, a gas occupies 11.2 liters at 0.860 atm. What is the pressure if the volume becomes 15.0 L?

- 0.64

**Q.**

The molecular theory states that the pressure exerted by a gas in a closed vessel results from the gas molecules stiking against the walls of the vessel. How will the pressure change it:

(a) the temperature is doubled keeping the volume constant?

(b) the volume is made half of its original value keeping the temperature constant?

**Q.**

2 litres of a gas is enclosed in a vessel at a pressure of 760 mm Hg. If tempreature remains constant, calculate pressure when volume changes to 4 dm3

**Q.**

List the main postulates of the kinetic molecular theory of matter.

**Q.**

At a constant temperature a gas is initially at 2 atm pressure. To compress it to(18)th of its initial volume, pressure to be applied is

16 atm

8 atm

4 atm

12 atm

**Q.**

A gas is to be filled from a tank of capacity 10, 000 litres into cylinders each having capacity of 10 litres. The condition of the gas in the tank is as follwos:

(a) Pressure inside the tank is 800 mm of Hg.

(b) temperature inside the tank is - 3∘C.

When the cylinder is filled, the pressure gauge reads 400 mm of Hg and the temperature is 270 K. Find the number of cylinders required to fill the gas.

**Q.**

If pressure becomes double at the same absolute temperature on 2 L of CO2 , then what will be the final volume of CO2?

- 4 L
- 25 L
- 1 L
- 2 L

**Q.**

A steel 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 temperatue, what volume will the gas occupy?

**Q.**

800cm3 of gas is collected at 650 mm pressure. At what pressure would the volume of the gas reduce by 40% of its original volume, temperature remaining constant?

**Q.**

The temperature of a fixed mass of gas increase from 100k to 400k. What will happen to its volume?

It will decrease to a quarter of its original volume

It will double

It will stay the same

It will increase by factor of four

**Q.**

A cylinder of 200 litres capicity contains a gas at 100 atmospheric pressure. How many flasks of 200cm3 capacity can be filled from it at 1 atmosphere pressure, temperature remaining constant?

**Q.**

2500cm3 of hydrogen is taken at S.T.P. The pressure of this gas is further increased by two and a half times (temperature remaining constant). What volume will hydrogen occupy now?

**Q.**

Pressure remaining constant, the density of a gas ______on increasing the temperature.

**Q.**Temperature remaining constant, the pressure of a gas

- increases
- decreases
- remains constant
- fluctuates