Heather is doing an acid-base reaction. she has 25.00 ml of hydrochloric acid of unknown concentration in a flask. she wants to add a basic solution to the acid drop by drop, until all the acid has reacted. which tool would be best for adding the basic solution dropwise and for most precisely measuring the volume of solution added?

What element breaks down into yttrium-90?

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.

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?