Aquecendo-se 100 g de calcário, este se decompõe em 56 g de cal viva e 44 g de gás carbônico, um estudante de química afirmou que no aquecimento de 200 g de calcário, haverá formação de 112 g de cal viva e 88 g de gás carbônico A afirmativa desse estudante está baseada na lei de qual cientista?
(A)Lavoisie.
(B)Dalton.
(C)Richter.
(D)Gay-Lussac.
(E)Proust.​

If 10.0 ml of the solution on the right are withdrawn from the 100 ml beaker and diluted again in a similar manner, what is the new concentration? m nacl

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.

Ineed ! i have no clue how to do this problem.