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Introductory Physics Homework Help
Coloumb's Law and Electric Dipoles question
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[QUOTE="John Yi, post: 4992256, member: 540726"] [h2]Homework Statement [/h2] 1)HCl consists of one H and Cl atom separated by 0.127 nm, the bond length. The Cl atom has a partial charge of -0.177e and the H atom has a partial charge of +0.177e, where e = 1.602x10-19 C is the electron charge. 2)Now the HCl molecule is placed near a sodium ion Na+ with charge +1e. As shown in the figure, the distance between the Cl and Na atoms is d = 1.6 nm. [h2]Homework Equations[/h2] I had finished question 1, but am stuck on question 2. [h2]The Attempt at a Solution[/h2] I started with k(q1)(q2)/r^2 ----> (9x10^9) x (2.83554e-20) x (1.602e-19) / (1.727e-9)^2 I end up with an answer with 1.37e-11, but it is saying it is wrong. What am i doing incorrectly? [/QUOTE]
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Coloumb's Law and Electric Dipoles question
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