Chemistry, 10.05.2021 16:00 partykidjeremsih
write the chemical equation in element form. and balance the equation. when zinc metal and sulfur powder are heated, they form solid zinc sulfide
Answers: 3
Chemistry, 22.06.2019 10:30
Geothermal energy for industrial use is available almost anywhere. a.true b.false
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Chemistry, 22.06.2019 15:00
Which are forms of frozen water? check all that apply. dew frost hail rain sleet
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Chemistry, 22.06.2019 18:50
At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver
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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
write the chemical equation in element form. and balance the equation. when zinc metal and sulfur po...
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