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Chapter 23: Q. 34 - Excercises And Problems (page 654)

An ammonia moleculeNH3 has a permanent electric dipole moment5.0×1030Cm. A proton is 2.0nm from the molecule in the plane that bisects the dipole. What is the electric force of the molecule on the proton?

Short Answer

Expert verified

The molecule proton on electric force isE=5.625×106N/C.

Step by step solution

01

Step: 1 Electric field:

The energy generated by a given positive ion put at a location in the field is related to the intensity of the electric field at that point.

The fundamental expression is as follows:

E=Fq

02

Step: 2 Electric dipole:

The electric dipole in field as

E=p4πε0r3

The dipole moment is p, the distance between the dipole and the charge is r, and the permittivity of empty space is ε0.

03

Step: 3 Substituting:

Putting values in above equation,we get

E=p4πε0r3

role="math" localid="1651406439589" E=9×109C2/Nm25.0×1030Cm2.0×109m3

E=5.625×106N/C.

04

Step: 4 Finding force:

The electric force of a molecular on a proton is computed using the induced electromagnetic and force relationship.

The equation as

E=Fq

F=EqF=5.625×106N/C1.6×1019CF=9×1013N

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