What is the difference between a hypothesis and a theory? practice a hypotheses can not be proven; theories can. b theories have been confirmed through tests; hypotheses have not. c theories contain many hypotheses; a hypothesis only contains one theory. d theory is another word for "fact; " "hypothesis" is another word for "guess."

Calculate the number of molecules present in 0.750 mol of mgo.

Will give ! what are the advantages and disadvantages of nuclear power? check all that apply. one advantage of nuclear energy is that it does not produce carbon dioxide emissions. storage of nuclear waste is a short-term problem associated with nuclear energy. the problem with uranium mining is that a large quantity of uranium must be extracted to meet energy needs because the energy release from uranium fission is so low. safe operation of a nuclear power plant can be jeopardized by a human mistake.

One similarity and one difference between an element and a mixture of elements