Physics Help Forum Calculate the net charge on a substance consisting of a combination of 7.8 1013 prot

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 Feb 5th 2010, 08:14 PM #1 Junior Member   Join Date: Feb 2010 Posts: 7 Calculate the net charge on a substance consisting of a combination of 7.8 1013 prot Calculate the net charge on a substance consisting of a combination of 7.8 1013 protons and 3.0 1013 electrons.
Feb 5th 2010, 10:57 PM   #2
Senior Member

Join Date: Dec 2009
Posts: 209
Easy enough

 Originally Posted by Ace Calculate the net charge on a substance consisting of a combination of 7.8 1013 protons and 3.0 1013 electrons.
I think you could have gotten this one on your own. There are 6.2415X10^18 charged particles per Coloumb. There are (7.8 - 3)X10^13 net charged particles, therefore the net charge on the substance is (4.8X10^13/6.2415X10^18) Coloumbs.

I hope that's what you were looking for.
Many Smiles
Craig

Last edited by clombard1973; Feb 5th 2010 at 11:01 PM.

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