Homework Help: Please help me!!! Chemistry

Posted by Anonymous on Tuesday, December 6, 2011 at 10:39pm.

Multiple choice
When methane is burned with oxygen, the products are carbon dioxide and water. If you produce 18 grams of water from 8 grams of methane and 32 grams of oxygen, how many grams of carbon dioxide were produced in the reaction?
a)40
b)22
c)58
D)18

Please help me!!! Chemistry - DrBob222, Tuesday, December 6, 2011 at 11:47pm
Write the equation and balance it. This problem is all about recognizing the conservation of mass.
CH4 + 2O2 ==> CO2 + 2H2O
..8....32......x......18
..8 + 32 = x + 18. What's x?
chemistry - lis, Sunday, February 10, 2013 at 9:32pm
How many grams of carbon tetrachloride can be produced from reacting 709.0 grams of chlorine with excess methane?

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