Hexane has the formula C6H14, and in complete combustion (reaction with oxygen) the only products are carbon dioxide and water:C6H14 + xO2 -> yCO2 + zH2Owhere x, y and z are molar ratios. The equation can be balanced by examining the carbon, hydrogen and then the oxygen atoms individually on each side of the equation . This gives a final formula:C6H14 + 19/2O2 -> 6CO2 + 7H2O. Obviously multiples would be correct if molar ratios were consistent.
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