A 368 mL air sample collected at 22°C has a pressure of 621 torr. What pressure will the
air exert if it is allowed to expand to 492 mL
at 67°C?
Answer in units of torr.

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.

How many atoms or molecules are there in a mole of a substance?