The amount of electrons released (+) or needed (-) to be able to convert sulfate to sulfite a. 2
d. -2
c. +4
d. +1

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

Which of the following are correct values for the ideal gas laws constant r