Modern Approach to Chemical Calculations>Chapter 12 - Properties of Gases>PROBLEMS>Q 55

MEDIUM

JEE Main

IMPORTANT

Earn 100

How is the $RMS$ speed of $N_{2}$ molecules in a gas sample changed by an increase in temperature?

Important Questions on Properties of Gases

MEDIUM

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 12 - Properties of Gases>PROBLEMS>Q 55

How is the $RMS$ speed of $N_{2}$ molecules in a gas sample changed by an increase in volume of sample?

MEDIUM

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 12 - Properties of Gases>PROBLEMS>Q 55

How is the $RMS$ speed of $N_{2}$ molecules in a gas sample changed by mixing with an Air sample at the same temperature?

HARD

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 12 - Properties of Gases>PROBLEMS>Q 56

Nickel carbonyl,

Ni (CO)_{4},

is one of the most known toxic substances. The present maximum allowable concentration in laboratory air during an

8 hr

work day is

1

part in

10^{9}

. Assume

24 ° C

and

1 atm

pressure, what mass of

Ni (CO)_{4}

, is allowable in a laboratory that is

110 m^{2}

in area, with a ceiling height of

2.7 m

?

HARD

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 12 - Properties of Gases>PROBLEMS>Q 57

A sample of gas has a molar volume of

10.1 L

at a pressure of

745 mm

Hg

and a temperature of

- 138 ° C

. Is the gas behaving ideally?

HARD

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 12 - Properties of Gases>PROBLEMS>Q 58

Cyanogen is

46.2 % C

and

53.8 % N

by mass. At a temperature of

25 ° C

and a pressure of

750 mm

Hg

,

1.0 g

of cyanogen gas occupies

0.476 L

. Find the formula of cyanogen.

HARD

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 12 - Properties of Gases>PROBLEMS>Q 59

Two containers of the same volume, one containing the gas

A

and the other containing the gas

B

, have the same number of molecules of each gas. The mass of the molecule

A

is twice the mass of the molecule

B

. The

rms

speed of

A

is also twice that of

B

. Calculate the pressure ratio of the gases

A

and

B

.

HARD

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 12 - Properties of Gases>PROBLEMS>Q 60

Calculate the percentage of free volume available in

1

mole gaseous water at

1 atm

pressure and

373 K

.

MEDIUM

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 12 - Properties of Gases>Objective Problems>Q 1

Which of the following curves does not represent Boyle's law?