Chemical Thermodynamics-Second Law of Thermodynamics (KVPY Stream SB-SX (Class 12 & 1st Year B.Sc.) Chemistry): Questions 1 - 5 of 8

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Question number: 1

» Chemical Thermodynamics » Second Law of Thermodynamics

Appeared in Year: 2014

MCQ▾

Question

The latent heat melting of ice at Equation is Equation the entropy change during the melting in Equation is closest to

Choices

Choice (4) Response

a.

11

b.

- 22

c.

22

d.

- 11

Question number: 2

» Chemical Thermodynamics » Second Law of Thermodynamics » Introduction

Appeared in Year: 2013

MCQ▾

Question

The entropy change in the isothermal reversible lypansion of 2 moles of an ideal gap from Equation at Equation is:

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 3

» Chemical Thermodynamics » Second Law of Thermodynamics

MCQ▾

Question

When 100 g of water is reversibly heated from Equation at 1 atm, the change in entropy J/K of the universe is:

Choices

Choice (4) Response

a.

0.31

b.

0

c.

– 0.31

d.

3.1

Question number: 4

» Chemical Thermodynamics » Second Law of Thermodynamics

MCQ▾

Question

If Equation of heat is exchanged at boiling point of water, then what is increase in entropy?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 5

» Chemical Thermodynamics » Second Law of Thermodynamics » Standard Gibbs Energy Change

MCQ▾

Question

For hypothetical reversible reaction

Equation

If standard entropies of Equation respectively. The above reaction will be in equilibrium at -

Choices

Choice (4) Response

a.

400 K

b.

200 K

c.

500 K

d.

250 K

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