Chemical Thermodynamics-Second Law of Thermodynamics (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Chemistry): Questions 1 - 6 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 is the entropy change during the melting in 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 at is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 3

» Chemical Thermodynamics » Second Law of Thermodynamics

MCQ▾

Question

When 100 g of water is reversibly heated from 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 of heat is exchanged at boiling point of water, then what is increase in entropy?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 5

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

MCQ▾

Question

For hypothetical reversible reaction

If standard entropies of 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

Question number: 6

» Chemical Thermodynamics » Second Law of Thermodynamics

MCQ▾

Question

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

Choices

Choice (4) Response

a.

0.31

b.

3.1

c.

- 0.31

d.

0

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