Phase Changes in Matter: Changes of State Write an equation for each phase change. Then identify as endothermic or exothermic, and name the phase change.

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

If you want to create an electrical current, which situation would produce a solution capable of this

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral