Which of the Following Reactions Is a Heterogeneous Equilibrium Expression

question 42

Multiple Choice

Which of the following reactions is a heterogeneous equilibrium expression?

• A) 2NO(g)+ O₂(g) ⇌ 2NO₂(g)
• B) 2NH₃(g) ⇌ N₂(g)+ 3H₂(g)
• C) 2H₂(g)+ O₂(g) ⇌ 2H₂O(g)
• D) 2S(s)+ 3O₂(g) ⇌ 2SO₃(g)
• E) C₂H₄(g)+ H₂(g) ⇌ C₂H₆(g)

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