Quando o gelo derrete; o ferro enferruja; quando o açúcar vira caramelo ocorre respectivamente:
a) uma transformação química; uma transformação física; uma transformação química
b) uma transformação física; uma transformação física; uma transformação química
c) uma transformação física; uma transformação química; uma transformação química.
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Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron
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What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion
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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.
Answers: 1
Quando o gelo derrete; o ferro enferruja; quando o açúcar vira caramelo ocorre respectivamente:
a)...
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