The activation energy of a chemical reaction can be decreased by the addition of
(1) a catalyst (3) electrical energy
(2) an indicator (4) thermal energy

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

Calcium chloride +gold(1) oxide—>

Why do cells appear different in distilled water than they do in 10% salt water?