How many grams of hydrogen gas will be produced if 2.12 g of potassium reacts with sufficient hydrochloric acid?

Who is better, messi or cristiano, i need this for a chemistry class. asap

In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)