JEE PHYSICS MCQ: KINETIC THEORY OF GASES

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Application +4 | -1

A cylindrical container of volume

4.0 \times {10^{ - 3}}{m^3}

contains one moles of hydrogen and two moles of carbon dioxide. Assume the temperature of the mixture is 400 K. The pressure of the mixture of gases is
Take, gas constant

= \,8.3\,J\,mo{l^{ - 1}}{K^{ - 1}}

]

View answer and explanation

Correct option: C

24.9 \times {10^5}Pa

Option C (

24.9 \times {10^5}Pa

) is correct because it is calculated using Dalton's law of partial pressures and the ideal gas law.

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Assertion: The pressure exerted by an enclosed ideal gas does not depend on the shape of the container.
Reason: The pressure of an ideal gas depends on the number moles, temperature and volume of the enclosed If

c_s

is the velocity of sound in air and

c

is the rms velocity, then Four particles have velocities

1,0,2,3 \mathrm{~m} / \mathrm{s}

. The root mean square of the particles is (in

\mathrm{m} / \mathrm{s}

) The translational degrees of freedom

(f_t)

and rotational degrees of freedom

(f_r)

{CH}_4

molecule are: On any planet, the presence of atmosphere implies (

{C_{rms}} =

= root mean square velocity of molecules and

{V_e} =

escape velocity) At a given temperature, the pressure of an ideal gas of density

\rho

is proportional to