tonipoo610
balancing chemical equations help!!



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tonipoo610
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dw:1357781525124:dw

NotTim
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What do you think is missing from each side.

tonipoo610
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dw:1357783534660:dw

tonipoo610
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i need step by step explaining because i keep on getting stuck at the oxygen

NotTim
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I think you could use fractions too....

tonipoo610
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i no the answer to the problem but i just cant figure out how to get it

NotTim
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also, this imagedw:1357708177746:dw is a little bit confusing

tonipoo610
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the answer is 2 C2H6 + 7 O2 > 4 CO2 + 6 H2O

tonipoo610
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but i just dont know how people got it

NotTim
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dw:1357708399283:dw

NotTim
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dw:1357708457062:dw Blanace the Hydrogens at the end. Now, what do you do first?

tonipoo610
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do you balance carbon first?

NotTim
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why not

tonipoo610
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but then oxygen has 5 atoms since you have to put a 2 coefficent on co2

tonipoo610
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so how would you balnce the other oxygen

NotTim
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ok. now what about the hydrogens (worry about oxygen after)

tonipoo610
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i put a 3 in the products hydrogen but doesnt that make the products oxygen 5 as well UGG

NotTim
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Why not 5/2 for Oxygen on the left side?

tonipoo610
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my teacher said we cant use fractions

NotTim
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really? What grade is this?

NotTim
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well, if that's the case, why not just multiply the values by 2?

tonipoo610
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8th grade

tonipoo610
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nvrmind i guess i will just wing it lol

NotTim
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you sure?

tonipoo610
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yahh

NotTim
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ok. good luck with that then