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Combustion and Hydrocarbon Reactions
Worksheet
Grade Level
Chemistry
11.63 Combustion and Hydrocarbon Reactions
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Which statement correctly interprets the coefficient of O2 in 2C2H2 + 5O2 → 4CO2 + 2H2O?
A
Five oxygen atoms react with two carbon atoms.
B
O2 contains five oxygen atoms per molecule.
C
Five moles of O2 react with two moles of C2H2 in the balanced ratio.
D
The coefficient changes the formula of oxygen gas.
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