When acetylene gas, C2H2, burns in air, a combustion reaction occurs. Which of the following is a balanced equation that represents this reaction, which occurs when welding torches are used?
A) 2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g)
B) C2H2(g) + O2(g) → C2H2O2(g)
C) C2H2(g) + O2(g) → 2CO2(g) + H2O(g)
D) C2H2(g) + O2(g) → C2O2(g) + H2(g)
E) C2H2(g) + O2(g) → CO2(g) + H2O(g)
Correct Answer:
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