Physical Chemistry-Statistical Thermodynamics (CSIR Chemical Sciences): Questions 1 - 3 of 3

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Question number: 1

» Physical Chemistry » Statistical Thermodynamics » Kinetic Theory of Gases

MCQ▾

Question

Absorption of gas is described by Langmuir isotherm with equilibrium constant k=0.9KP1 at 25 . Pressure (KPa) at which fractional surface coverage is 0.95 is,

Choices

Choice (4) Response

a.

11.1

b.

42.2

c.

111.1

d.

21.1

Question number: 2

» Physical Chemistry » Statistical Thermodynamics » Boltzmann Distribution

Appeared in Year: 2012

MCQ▾

Question

Relative population in two states with energy E1andE2 satisfy Boltzmann Distribution Ratio: -

n1n2=32exp[(E1E2)]kBT . Relative degeneracy g2/g1 is (december)

Choices

Choice (4) Response

a.

3

b.

32

c.

23

d.

2

Question number: 3

» Physical Chemistry » Statistical Thermodynamics » Kinetic Theory of Gases

Appeared in Year: 2013

MCQ▾

Question

Volume of a gas adsorbed on solid surface is 10.0ml, 11.0ml, 11.2ml, 14.5ml and 22.5ml at 1.0, 2.0, 3.0, 4.0 and 5.0 atm pressure, these date are best represented by (December)

Choices

Choice (4) Response

a.

Langmuir isotherm

b.

Freundlich isotherm

c.

Gibbs isotherm

d.

BET isotherm

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