When an acetylene torch is used to weld metal an exothermic reaction occurs. Which is the balanced chemical equation for this reaction?
A2C2H2(g) + O2(g) → CO2(g) + 2H2O(g) + energy
B2C2H2(g) + O2(g) → 4CO2(g) + H2O(g) + energy
C2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g) + energy
DC2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g) + energy
A2C2H2(g) + O2(g) → CO2(g) + 2H2O(g) + energy
B2C2H2(g) + O2(g) → 4CO2(g) + H2O(g) + energy
C2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g) + energy
DC2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g) + energy