The intermolecular forces present in the spilled oil from a pipeline and the pipeline oil have to explain. Concept Introduction: In molecules having no permanent dipole like hydrocarbons the electronic atmosphere is supposed to be symmetrical. But this is true only on a time average. Rapid and continuous changes in the intensities of charge concentration in the electron atmosphere may give rise to instantaneous and fluctuating dipoles as shown in the figure. These dipoles may induce further dipoles on adjacent molecules. The resulting weak short range forces are called London Dispersion Forces. The forces increase with increasing polarisibility and hence molar volume among comparable species. Usually these are related to molecular weight but the polarisibility is always important in this force of attraction.

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Chapter 8, Problem 8.92PAE

Interpretation Introduction

Interpretation:The intermolecular forces present in the spilled oil from a pipeline and the pipeline oil have to explain.

Concept Introduction:In molecules having no permanent dipole like hydrocarbons the electronic atmosphere is supposed to be symmetrical. But this is true only on a time average. Rapid and continuous changes in the intensities of charge concentration in the electron atmosphere may give rise to instantaneous and fluctuating dipoles as shown in the figure. These dipoles may induce further dipoles on adjacent molecules. The resulting weak short range forces are called London Dispersion Forces. The forces increase with increasing polarisibility and hence molar volume among comparable species. Usually these are related to molecular weight but the polarisibility is always important in this force of attraction.

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