The density of a 15.00% by mass aqueous solution of acetic acid, ch3cooh, is 1.0187g/ml. what is (a) the molarity? (b) the molality? (c) the mole fraction of each component?

Which position represents spring in the southern hemisphere? a) b) c) d)

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

If many scientists conduct the same or similar experiments, and all obtain similar results, a can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works.