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Chemistry, 21.06.2019 21:00
Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!
Answers: 2
Chemistry, 22.06.2019 12:40
Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid
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Chemistry, 22.06.2019 19:20
Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?
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Chemistry, 22.06.2019 21:40
Tooth enamel consists mainly of the mineral calcium hydroxyapatite, ca_10(po_4)_6(oh)_2. trace elements in teeth of archaeological specimens provide anthropologist with clues about diet and diseases of ancient people. students at hamline university measured strontium in enamel from extracted wisdom teeth by atomic absorption spectroscopy. solutions with a constant total volume of 10.0 ml contained 0.726 mg of dissolved tooth enamel plus variable concentrations of added sr. added sr find the concentration of sr in the 10 ml sample solution in parts per billion = ng/ml. find the concentration of sr in tooth enamel in parts per million = mu g/g.
Answers: 2
Mathematics, 29.06.2021 01:00
Mathematics, 29.06.2021 01:00
Mathematics, 29.06.2021 01:00
Mathematics, 29.06.2021 01:00
Mathematics, 29.06.2021 01:00
Mathematics, 29.06.2021 01:00
Mathematics, 29.06.2021 01:00