If the base-dissociation constant, kb, for a substance is 4.3 mc021-1.jpg 10–10, what does this tell you about ka? use mc021-2.jpg.

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

When a scientific theory has been tested and proved by the scientific community, it becomes a law

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.