Ashley Olsen and her twin sister Mary-Kate Olsen were professional actors before they could speak. A TV executive held the twins in his arms when they were three or maybe nine months old (accounts vary), and neither girl cried. On the basis of this audition, the Olsen twins landed the shared role of baby Michelle on Full House, when they weren't even toddlers. They were nine when the show finally ended.
Recall the relationship between the forward and reverse reaction rates when a reaction is at equilibrium. In a chemical equilibrium, the forward and reverse reactions occur at equal rates, and the concentrations of products and reactants remain constant.
Reactions are not impossible without enzymes. Enzymes do not change during reactions, nor do they change the other contents of the reaction. They just speed up the rate at which all parts of the reaction react. In a chemical reaction, the reaction is said to be completed when equilibrium is reached.nzymes do not change during reactions, nor do they change the other contents of the reaction. They just speed up the rate at which all parts of the reaction react. In a chemical reaction, the reaction is said to be completed when equilibrium is reached.