11. Determine the pH of each of the following solutions, and state whether each is acidic, basic, or neutral:

(a) tonic water. [H30+ (aq)] = 3.1.X 10-9 mol/L
(b) wine: [H3O+ (aq)] = 2.5 X 10-3 mol/L

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

What two fields of study provide the core information that is used to classify organisms?

The term equestrian relates to which animal? bulls cows horses pigs