A chemical reaction has reached equilibrium when the concentrations of reactants and products are equal, the rate of the forward reaction equals the rate of the reverse reaction, all reactants have been converted to products, O all products have been removed from the reaction mixture. D Question 4 1 pts Consider the following equilibrium mixture in a closed system: H2O(g) + CO(g) = Hz(s) + CO2(g). Explain what would happen to the equilibrium upon the addition of carbon monoxide gas? The addition of carbon monoxide gas would disrupt the equilibrium causing it to shift towards the left which would result in more reactants being produced until equilibrium is achieved. The addition of carbon monoxide gas would not disrupt the equilibrium, so nothing would happen. The addition of carbon monoxide gas would disrupt the equilibrium causing it to shift towards the right which would result in more products being produced until equilibrium is achieved.