Which of the following is a balanced equation for the combination reaction that occurs when sulfur dioxide gas, SO2, reacts with oxygen gas to form sulfur trioxide gas?
A) 3SO2(g) + 2O2(g) → 3SO3(g)
B) SO2(g) + O2(g) → SO3(g)
C) SO2(g) + O2(g) → SO4(g)
D) 2SO2(g) + 2O2(g) → 2SO3(g)
E) 2SO2(g) + O2(g) → 2SO3(g)
Correct Answer:
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