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A gas can be compressed to a fraction of its volume. The same volume of a gas can be spread all over a room. The reason for this is that

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Important Questions on States of Matter

MEDIUM

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

Select from the box, the correct gas law related to the given situation.

Boyle's law, Charles law, Avagadro's law

An inflated balloon kept at sunlight bursts after some time.

EASY

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

The average energy per molecule of a gas at a given temperature,

T

MEDIUM

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

At STP an ideal gas occupies a volume of

273 {cm}^{3}

. What volume will the gas occupy at

76 cmHg

pressure and at temperature of

273 ° C

EASY

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

A fixed mass of a gas occupies a volume of

150 {cm}^{3}

at a fixed temperature and a pressure of 1 atmosphere. What volume will the gas occupy at that temperature and at a pressure of 1.5 atmosphere?

MEDIUM

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

What is the kinetic energy (in

ergs

) of the nitrogen molecule at

- 73 ° C

MEDIUM

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

The speed of the gas molecules contained in a closed vessel at fixed temperature and pressure is the same.

EASY

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

A molecule of

{SO}_{2}

is two times heavier than a

O_{2}

molecule. At

298 K

the average kinetic energy of

{SO}_{2}

molecule is

EASY

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

Find out the ratio of the volumes occupied by

32 g O

, and

44 g {CO}_{2}

, gases at

27 ° C

temperature and

700 mmHg

pressure. (

C = 12, O = 16

)

EASY

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

The quantity

h v / K_{B}

corresponds to

EASY

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

Two flasks

A

and

B

have equal volumes.

A

is maintained at

300 K

and

B

600 K

. Equal masses of

H_{2}

and

{CO}_{2}

are taken in flasks

A

and

B

respectively. Find the ratio of total

K . E

of gases in flask

A

to that of

B

MEDIUM

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

How many times the volume of a diatomic gas should be increased reversibly and adiabatically in order to reduce its RMS velocity to half of its intial value.

MEDIUM

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

Which of the following statement(s) (are) correct regarding the root-mean-square speed

(U_{r m s})

and average translational kinetic energy

(E_{av})

of a molecule in a gas at equilibrium?

EASY

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

Predict the correct order of rate of diffusion of the following molecules.

EASY

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

If the water is converted into ice, and its entropy is changed by

Δ S,

then

MEDIUM

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

Name the intermolecular force that exists between the sodium chloride and water molecules, when sodium chloride is dissolved in water.

EASY

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

The kinetic energy of molecules in a liquid is

EASY

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

Which of the following state of matter has infinite expansibility and high compressibility?

HARD

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

The temperature at which real gases obey ideal gas laws over an appreciable range of pressure is known as

EASY

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

Which one of the following is the wrong statement about the liquid?

EASY

Chemistry>Physical Chemistry>States of Matter>The Gaseous State

The inner central core of Earth is in ______ state.

A gas can be compressed to a fraction of its volume. The same volume of a gas can be spread all over a room. The reason for this is that

Important Questions on States of Matter

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