Answered: Does the strength of the intermolecular…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Does the strength of the intermolecular forces in a liquid change as the liquid is heated? Explain. Why does liquid viscos-ity decrease with rising temperature?

Expert Solution

Step 1

The forces which provide interaction including force of repulsion and attraction acting between the neighboring particles and molecules is known as intermolecular force.

Different types of intermolecular forces are known for example, London forces or dispersion forces, hydrogen bond, dipole-dipole forces, ion-dipole forces etc.

Step 2

The strength of intermolecular forces changes as the liquid is heated. This is because as the temperature increases the intermolecular distance between the molecules increases thus, the intermolecular forces decrease.

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