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Chemistry, 22.06.2019 07:00
In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?
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Chemistry, 22.06.2019 13:00
16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.
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Chemistry, 22.06.2019 15:20
An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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History, 10.12.2019 13:31
Mathematics, 10.12.2019 13:31
Mathematics, 10.12.2019 13:31
History, 10.12.2019 13:31
English, 10.12.2019 13:31
Mathematics, 10.12.2019 13:31
History, 10.12.2019 13:31
History, 10.12.2019 13:31
History, 10.12.2019 13:31
Mathematics, 10.12.2019 13:31