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The pressure that each individual gas would exert if it were alone in the container, what do we call it as? (Partial pressure/ Total pressure)

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Important Questions on States of matter: Gaseous and liquid states

EASY

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

A balloon is filled at

27 ° C

and

1 atm

pressure by

500 m^{3}

He

. At

- 3 ° C

and

0.5 atm

pressure, the volume of

He

will be

EASY

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

The value of 1 mole of any pure ideal gas at standard temperature and pressure is always equal to

EASY

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

A mixture of

N_{2}

and

Ar

gases in a cylinder contains

7 g

N_{2}

and

8 g

Ar

. If the total pressure of the mixture of the gases in the cylinder is

27

bar, the partial pressure of

N_{2}

is:
[Use atomic masses (in

g {mol}^{- 1}

N = 14, Ar = 40

]

EASY

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

The pressure versus temperature graph of an ideal gas is shown in the figure below. If the density of gas at point $A$ is $ρ_{0}$ , then the density of the gas at point $B$ will be

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MEDIUM

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

Assuming ideal gas behavior, the ratio of density of ammonia to that of hydrogen chloride at same temperature and pressure is: (Atomic weight of Cl is 35.5 u)

MEDIUM

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

One moles each of four ideal gases are kept as follows.

I. $5 L$ of gas $(A)$ at $2 atm$ pressure

II. $2.5 L$ of gas $(B)$ at $2 atm$ pressure

III. $1.25 L$ of gas $(C)$ at $2 atm$ pressure

IV. $2.5 L$ of gas $(D)$ at $2.5 atm$ pressure

Which of the above gases is kept at highest temperature.

HARD

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

Which one of the following graphs is not correct for ideal gas?

$d =$ Density, $P =$ Pressure, $T =$ Temperature

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EASY

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

An ideal gas is placed in a tank at

27 ° C

. The pressure is initially

600 kPa

. One fourth of the gas is then released from the tank and thermal equilibrium is established. What will be the pressure if the temperature is

327 ° C

EASY

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

An ideal gas has pressure

P

, volume

V

and absolute temperature

T

. If

m

is the mass of each molecule and

K

is the Boltzmann constant then density of the gas is

EASY

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

300 K

, the density of a certain gaseous molecule at

2

bar is double to that of dinitrogen

(N_{2})

4

bar. The molar mass of the gaseous molecule is

EASY

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

The pressure exerted by a mixture of

3.2 g

of methane and

4.4 g

{CO}_{2}

contained in a

9 {dm}^{3}

flask at

27 ° C

MEDIUM

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

The volume of gas $A$ is twice than that of gas $B$ . The compressibility factor of gas $A$ is thrice than that of gas $B$ at same temperature. What are the pressures of the gases for equal number of moles?

MEDIUM

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

4.4

grams of a gas at

0 ° C

and

0.82 atm

pressure occupies a volume of

2.73 L

. The gas can be

MEDIUM

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

The density of a certain gas at

30^{0} C

and

768

torr is

1.35 kg / m^{3}

, then density of the gas at

STP

EASY

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

One mole of an ideal gas occupies

12 L

297^{o} C

. What is the pressure of the gas?

EASY

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

A container of volume $2.24 L$ can with stand a maximum pressure of $2$ atm at $298 K$ before exploding. The maximum amount of nitrogen (in $g$ ) that can be safely put in this container at this temperature is closest to

MEDIUM

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

A closed container has

1

avogadro number of gaseous molecules at

27 ° C

and

1 atm

pressure. The pressure of the same gas at

72 ° C

atm

HARD

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

Two closed bulbs of equal volume

(V)

containing an ideal gas initially at pressure

p_{i}

and temperature

T_{1}

are connected through a narrow tube of negligible volume, as shown in the figure below. The temperature of one of the bulbs is then raised to

T_{2} .

The final pressure

P_{f}

is:

MEDIUM

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

An open vessel at

27^{o} C

is heated until two fifth of the air (assumed as an ideal gas) in it has escaped from the vessel. Assuming that the volume of the vessel remains constant, the temperature to which the vessel has been heated is:

EASY

Chemistry>Physical Chemistry>States of matter: Gaseous and liquid states>Ideal gas equation

0.5

moles of gas

A

and

x

moles of gas

B

exert a pressure of

200 P a

in a container of volume

10 m^{3}

1000 K

. Given,

R

is the gas constant in

{JK}^{- 1} {mol}^{- 1}, x

is:

The pressure that each individual gas would exert if it were alone in the container, what do we call it as? (Partial pressure/ Total pressure)

Important Questions on States of matter: Gaseous and liquid states

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