Calcium carbonate is also known as limestone. it is made up of the elements a. calcium and carbon. b. calcium and hydrogen. c. calcium, carbon and oxygen. d. calcium, hydrogen and oxygen.

How many grams of ammonia would be produced by the decomposition of 16.93 mlof hydrazine? (the density of hydrazine is 1.021g/ml)

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?

The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.