The molar energy that is needed for reversing the direction of a HCl molecule positioned at 300 pm from Mg 2 + ion is to be stated. Concept introduction: The dipole under which the separation of the charges is very small as compared to the distance at which the dipole exists is known as point dipole. The expression that is used to represent the Coulomb potential energy between two charges, Q 1 and Q 2 , is given below. V = Q 1 Q 2 4 π ε 0 r

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Chapter 14, Problem 14B.1BE

Interpretation Introduction

Interpretation:

The molar energy that is needed for reversing the direction of a HCl molecule positioned at 300 pm from Mg2+ ion is to be stated.

Concept introduction:

The dipole under which the separation of the charges is very small as compared to the distance at which the dipole exists is known as point dipole.

The expression that is used to represent the Coulomb potential energy between two charges, Q1 and Q2, is given below.

V=Q1Q24πε0r

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