Kinetic Theory of Gases (NEST (National Entrance Screening Test) Physics): Questions 1 - 3 of 3

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Question number: 1

» Kinetic Theory of Gases » Kinetic Energy and Temperature

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Appeared in Year: 2008

MCQ▾

Question

moles of nitrogen gas is kept in a canister at a temperature of . Due to a leak in the canister the pressure drops to of its original value and the temperature drops to . Assuming nitrogen to be an ideal gas, the amount of nitrogen (in moles) that has leaked out is –

Choices

Choice (4) Response

a.

12

b.

24

c.

7.5

d.

6

Question number: 2

» Kinetic Theory of Gases » Mean Free Path

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Appeared in Year: 2013

MCQ▾

Question

Which statement (s) about ideal gases and their constituent molecules at a given temperature is/are correct?

Choices

Choice (4) Response

a.

The mean free path of the molecules increases with decrease in pressure.

b.

The average translational kinetic energy of random motion of the molecules is different for different components in a gaseous mixture.

c.

The interaction between the molecules is negligible.

d.

The coefficient of isobaric volume expansion is the same for all ideal gases.

Question number: 3

» Kinetic Theory of Gases » Heat Capacities and Its Relations

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Appeared in Year: 2019

Essay Question▾

Describe in Detail

Consider the following linear model of a molecule of hydrogen Cyanide depicted below: -

Image shows linear model of a molecule of hydrogen Cyanide

Image Shows Linear Model of a Molecule of Hydrogen Cyanide

Image shows linear model of a molecule of hydrogen Cyanide

It follows that the molar specific heat of hydrogen cyanide gas at constant pressure must be –

Explanation

Degree of freedom

Molar specific heat at constant pressure :

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