The compounds BF3, AlCl3 and PCl5 are acids according to the Lewis concept, but not according to Arrhenius and Bronsted-Lewory. Explain why?

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

The fact that the total amount of energy in a system remains constant is a(n)