What role do enzymes play in cellular respiration?
a. enzymes enable reactions to proceed slowly at low temperatures.
b. enzymes enable reactions to proceed quickly at high temperatures.
c. enzymes allow reactions to take place at normal body temperature.

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?