Will give to whoever actually answers this Please please please help me
This is for chemical reactions project,

In two or more complete sentences, design an extension of this experiment to determine the mass of the carbon dioxide gas that was produced. Include a hypothesis regarding the mass of the gas in grams. Write your answer essay box below.

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)

Helium decays to form lithium. which equation correctly describes this decay?