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Explain why scientists use shared characteristics to make cladograms.
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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.
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Chemistry, 22.06.2019 19:00
Which is the solubility product expression for caf2(s)?  [ca2+]/[f–]2  [ca2+][f2–]  [ca]+[f]2  [ca2+][f–]2
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During what part of the day (night or day) can a solar be observed? explain your answer.
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