Chemistry, 07.07.2019 09:20 Theresab2021
Which reactions are oxidation-reduction reactions? 1. fes(s) + 2hcl(aq) → h2s(g) + fecl2(g) 2. agno3(aq) + nacl(aq) → agcl(s) + nano3 3. 2c3h6(g) + 9o2(g) → 6co2(g) + 6h2o(g) 4. fe2o3(s) + 3co(g) → 2fe(l) + 3co2(g)
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Chemistry, 23.06.2019 05:00
Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?
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Chemistry, 23.06.2019 10:30
Which of the following pairs of elements is most likely to form an ionic compound? a oxygen and fluorine b sodium and aluminum c calcium and chlorine d nitrogen and sulfur
Answers: 1
Which reactions are oxidation-reduction reactions? 1. fes(s) + 2hcl(aq) → h2s(g) + fecl2(g) 2. agno...
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