Calcium oxide and carbon dioxide combine to form calcium carbonate in the reversible reaction:
CaO + CO2 ⇌ CaCO3
When the reaction is at dynamic equilibrium, which statement must be true?
Calcium carbonate and calcium oxide are formed at the same rate.
The forward and reverse reactions have stopped.
The concentration of calcium carbonate is increasing.
The reaction has run out of carbon dioxide or calcium oxide.
2 answers
I don't like any of the choices but a is the best statement offered. I would have preferred that the statement read "At equilibrium the forward rate equals the reverse rate.
Wort wort wort
1 answer