How do scientists do background research on topics they have question about

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

Water undergoes a large change in density at 0 ∘ c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 ∘ c given that