Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 2>Q 20

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$5 n$ , $n$ and $5 n$ moles of monatomic, diatomic and non-linear polyatomic gases (which do not react chemically with each other), respectively, are mixed at room temperature. The equivalent degree of freedom of the mixture is

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Important Questions on Kinetic Theory of Gases

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IMPORTANT

Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 2>Q 21

N

molecules of an ideal gas at temperature

T_{1}

and pressure

P_{1}

are contained in a closed box. The molecules in the box get doubled, keeping the total kinetic energy same. If new pressure is

P_{2}

and temperature is

T_{2}

, then:

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Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 2>Q 22

If two containers

A

and

B

contain molecular gas at the same temperature with masses of molecules are

m_{A}

and

m_{B},

then the relation between momentum

P_{A}

and

P_{B}

will be

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Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 3>Q 1

A container is divided into two chambers by a partition. The volume of first chamber is

4.5

litre and second chamber is

5.5

litre. The first chamber contain

3.0

moles of gas at pressure

2.0

atm and second chamber contain

4.0

moles of gas at pressure

3.0

atm. After the partition is removed and the mixture attains equilibrium, then, the common equilibrium pressure existing in the mixture is

x \times 10^{- 1}

atm. Value of

x

is

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Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 3>Q 2

A vessel is filled with $0.014 kg$ Nitrogen gas at a temperature of $27 ° C$ . Let the $ν_{rms}$ at this temperature be $V$ ; then at what temperature in Kelvin, the $ν_{rms}$ of this gas will be $2 V$ ?

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Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 3>Q 3

A gas at

27 ° C

temperature and

30 a t m

pressure is allowed to expand to the atmospheric pressure. If the volume becomes

10

times its initial volume, then the final temperature becomes

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Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 3>Q 5

At constant temperature on increasing the pressure of a gas by

5 %

its volume will decrease by

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IMPORTANT

Physics Crash Course JEE Main>Chapter 9 - Kinetic Theory of Gases>Level 3>Q 6

Hydrogen gas is filled in a balloon at

20 ° C

. If temperature is made

40 ° C

, pressure remaining same, what fraction of hydrogen will come out ?