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posted by  Linda Etterlee on 5/30/2008 4:01:02 PM  |  status: Closed  

2 Questions about coefficients when equations are properly balanced?

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Question Details:
What is the coefficient of H2O when the following equation is properly balanced with the smallest set of whole numbers?

___ Na + ___ H2O ___ NaOH + ___ H2
 
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What is the coefficient preceding O2 when the following combustion reaction of a fatty acid is properly balanced?

__ C18H36O2 + __ O2 __ CO2 + __ H2O

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posted by SamiLiLOnE on 5/30/2008 4:35:50 PM  |  status: Live
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Linda Etterlee's comment:
"Thank you so much"
Response Details:
2 Na + 2 H2O --> 2 NaOH + H2

C18H36O2 + 27 O2 --> 18 CO2 + 18 H2O

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posted by ela on 6/1/2008 1:12:15 PM  |  status: Live
Asker's Rating: Helpful   
Linda Etterlee's comment:
"Thank you so much Wish I could have gave you lifesaver as well ;)"
Response Details:
a. 2H2O
b. 27 O2
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