EASY

MHT-CET

IMPORTANT

Earn 100

A flask of one-litre capacity contains ammonia at $1 atm$ and $25 ° C$ . A spark is passed through it until all the ammonia is decomposed into nitrogen and hydrogen. What is the pressure of the gas mixture left in the flask at $25 ° C$ ?

50% studentsanswered this correctly

Important Questions on States of Matter

EASY

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 3 - States of Matter>TOPICWISE QUESTIONS>Q 63

$8.8 g$ of dry ice is added to an open container of volume $8.2 L$ at $27^{°} C$ and the lid is closed immediately. What will be the final pressure in the container after all the ${CO}_{2}$ gets vapourized?

Assume that it behaves as an ideal gas.

MEDIUM

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 3 - States of Matter>TOPICWISE QUESTIONS>Q 64

The rate of effusion of two gases '

a

' and '

b

', under identical conditions of temperature and pressure, is in the ratio of

2 : 1

. What is the ratio of RMS velocity of their molecules, if

T_{a}

and

T_{b}

are in the ratio of

2 : 1

MEDIUM

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 3 - States of Matter>TOPICWISE QUESTIONS>Q 65

What will be the percentage of empty volume available in

1 mol

H_{2} O (g)

760 mm

and

373 K

? Given, density of

H_{2} O (l)

373 K

1 g {mL}^{- 1}

MEDIUM

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 3 - States of Matter>TOPICWISE QUESTIONS>Q 66

A graph is plotted between

{PV}_{m}

along

y

-axis and

P

along

x

-axis at high pressure, where

V_{m}

is the molar volume of a real gas. The intercept along

y

-axis is:

MEDIUM

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 3 - States of Matter>TOPICWISE QUESTIONS>Q 67

A spherical balloon of diameter

21 cm

is to be filled up with

H_{2}

273 K

and

1 atm

using a cylinder of volume

2.82 litres

, containing the gas at

20 atm

300 K

. Considering that the cylinder cannot get empty, the approximate number of balloons that can be filled up are:

MEDIUM

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 3 - States of Matter>TOPICWISE QUESTIONS>Q 68

A balloon has a volume

5000 m^{3}

and weighs

190 kg

. If it is filled with

He

1 atm

and

27 ° C

, the payload is approximately:

(ρ_{air} = 1.2 kg m^{- 3})

EASY

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 3 - States of Matter>TOPICWISE QUESTIONS>Q 69

50 L

of dry

N_{2}

gas is passed through

36 g

H_{2} O

27 ° C

and after the passage of gas, there is a loss of

1.2 g

in water. The vapor pressure of water is:

EASY

MHT-CET

IMPORTANT

Practice Book for MHT-CET Chemistry (Physical Chemistry 1)>Chapter 3 - States of Matter>TOPICWISE QUESTIONS>Q 70

The weight of

112 mL

{SO}_{2}

gas at

STP

on liquefaction would be:

A flask of one-litre capacity contains ammonia at 1 atm and 25°C. A spark is passed through it until all the ammonia is decomposed into nitrogen and hydrogen. What is the pressure of the gas mixture left in the flask at 25°C?

Important Questions on States of Matter

Learn and Prepare for any exam you want !

A flask of one-litre capacity contains ammonia at $1 atm$ and $25 ° C$ . A spark is passed through it until all the ammonia is decomposed into nitrogen and hydrogen. What is the pressure of the gas mixture left in the flask at $25 ° C$ ?