Listen Which of the following is an example of a heterogeneous equilibrium reaction? a) C₂H₂(g) + 2Br₂(g) b) N₂04() 2NO₂(g) c) MgO(s) + CO₂(g) d) N₂(g) + 3H₂(g) e) H₂(g) + F2(g) C₂H₂Bra(g) MgCO3(s) 2NH3(g) 2HF(g)

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