Equal amounts or ethanol and water are mixed at room temperature and at 101.3 kpa. which process is used to separate ethanol from the mixture?
(1) distillation
(2) reduction
(3) filtration
(4) ionization

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

What are the major types of a chemical compound

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)