CaO + CO2 ⇌ CaCO3
When the reaction is at dynamic equilibrium, which statement must be true?
(1 point)
1 The reaction has run out of carbon dioxide or calcium oxide.
2 Calcium carbonate and calcium oxide are formed at the same rate.
3 The forward and reverse reactions have stopped.
4 The concentration of calcium carbonate is increasing.
1 answer
2 Calcium carbonate and calcium oxide are formed at the same rate.