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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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The following data have ban collected for substance X. Construct. a heating curve for substance X. (The drawing does not need to be absolutely to scale, but it should clearly show relative differences.)

rmal melting point

:math> 15  C

lar heat of fusion

:math> 2 . 5 KJ / mol

rmal boiling point

:math> 134  ° C

lar heat of vaporization

:math> 55 . 3 KJ / mol

Interpretation Introduction

Interpretation:

Construction of a heating curve for a given substance X must be done.

Concept Introduction:

Heating cooling curves are used to show the different phase change of substances.

Explanation

Given information:

The melting point of X is 150C and boiling point of X is 1340C.

Latent heat of fusion is 2.5kJ/mol and latent heat of vaporization is 55.3kJ/mol.

As per the given sketch from 600C150C its showing solid X. Then the horizontal line at 150C is showing the melting of solid X where both solid and liquid phase are in equilibrium. It is an endothermic process absorbing 2

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