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

Question

pottersheep · Answer

MgBr2 + Cl2

SingleDisplacement!

MgCl2 + Br2

anonymous · Answer

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

anonymous · Answer

how is it cl2?

pottersheep · Answer

So, MgBr2 + Cl2 => MgCl2 + Br2

pottersheep · Answer

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

anonymous · Answer

oh is bromine one of them?

pottersheep · Answer

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

pottersheep · Answer

anonymous · Answer

then do i need to balance the equation

anonymous · Answer

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

pottersheep · Answer

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

pottersheep · Answer

Each Cl has a charge of -1

pottersheep · Answer

but theres two of them

anonymous · Answer

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

pottersheep · Answer

yepp

anonymous · Answer

ok thank you!!

pottersheep · Answer

Np:)

pottersheep · Answer

good luck