Given the unbalanced equation : LFe 2 O 3 +\ Fe+\ CO 2 Determine the amount of moles of CO are required in the simplest form of a balanced chemical equation . A)/2 B ) C)

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.