# What is the sum of the coefficients in the combustion reaction of heptane?

September 15, 2021 | education

| Heptane is an alkane (saturated hydrocarbon) with the formula C7H16. The combustion reaction is the interaction with oxygen.

The reaction equation for the combustion of heptane is as follows:

2C7H16 + 22O2 = 14CO2 + 16H2O

Left: 14 carbon, 32 hydrogen, 44 oxygen. Right: 14 carbon, 44 oxygen and 32 hydrogen. Therefore, the coefficients are placed correctly.

Answer: the sum of the coefficients in the reaction is 2 + 22 + 14 + 16 = 54.

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