Which of the Following Is a Balanced Equation for the Combination

question 12

Multiple Choice

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)

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