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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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What do we call the energies required, respectively, to malt and to vaporize 1 mole of a substance? Which of these energies is always larger for a given substance? Why?

Interpretation Introduction

Interpretation:

What do we call the energies respectively to melt and vaporize one mole of a substance must be mentioned. Which of these two energies always larger for substances must be explained along with reason?

Concept Introduction:

During phase change latent heats are involved which doesn’t allow temperature change.

Explanation

When a solid is melted then there is no temperature change. This phase change is done by latent heat which is known as molar enthalpy of fusion.

Similarly when one liquid substance is vaporizes to gaseous state there is no temperature change...

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