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Chemistry, 22.06.2019 08:30
For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)
Answers: 2
Chemistry, 22.06.2019 15:00
Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.
Answers: 2
Chemistry, 23.06.2019 02:00
What are fossils of organisms that existed over a wide area but only for a limited time period called?
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Chemistry, 23.06.2019 07:30
Assignment directions: pick one of the following chemists and perform a bit of research on him/her. answer the following questions. alice hamilton rosalind franklin marie curie gertrude b. elion ada yonath henry cavendish robert boyle antoine lavoisier mario j. molina svante arrhenius
Answers: 1
3. (05.04 MC)
What mass of Hy is needed to react with 8.75 g of O2 according to the following equat...
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