Problem: You may want to reference (Pages 165 - 166) Section 5.1 while completing this problem.A magnesium ion, Mg2+, with a charge of 3.2x10-19 C and an oxide ion, O2-, with a charge of -3.2x10-19 C, are separated by a distance of  0.40 nm.  How much work would be required to increase the separation of the two ions to an infinite distance?

FREE Expert Solution

E → electrostatic potential energy

W=Efinal-Einitial


E=keQ1·Q2d


Initially, distance of  0.40 nm:

1 nm = 10-9 m

d=0.40 nm×10-9 m1 nm

d = 4.0x10-10 m

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Problem Details

You may want to reference (Pages 165 - 166) Section 5.1 while completing this problem.

A magnesium ion, Mg2+, with a charge of 3.2x10-19 C and an oxide ion, O2-, with a charge of -3.2x10-19 C, are separated by a distance of  0.40 nm.  How much work would be required to increase the separation of the two ions to an infinite distance?

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