emilyoo
predicting products of chemical reactions: i need explanation...magnesium bromide+chlorine



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pottersheep
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MgBr2 + Cl2
SingleDisplacement!
MgCl2 + Br2

emilyoo
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first how would u write this as a balanced equation?
wouldnt it be mgbr2+cl ?

emilyoo
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how is it cl2?

pottersheep
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So, MgBr2 + Cl2 => MgCl2 + Br2

pottersheep
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Chlorine on its own is diatomic :) There are a few elements that are diatomic like that

emilyoo
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oh is bromine one of them?

pottersheep
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Actually there are 7. Yep bromine is one too :)


emilyoo
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then do i need to balance the equation

emilyoo
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since mgbr2 is neutral and cl2 has charge of 2?

pottersheep
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Technically, yes. But look at the equation, we're lucky. It turned out balanced

pottersheep
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Each Cl has a charge of 1

pottersheep
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but theres two of them

emilyoo
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oh do you balance the equation after you write out the reaction

pottersheep
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yepp

emilyoo
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ok thank you!!

pottersheep
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Np:)

pottersheep
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good luck