Chemistry, 19.03.2021 18:40 raizagisselle1273
2AI + 3ZnCl2 - 2AlCl3 + 3Zn According to the chemical reaction above, what is the mole ratio between Zn (zinc) and Al (aluminum)?
Answers: 3
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What is the most stable monatomic ion formed from nitrogen
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Geothermal energy for industrial use is available almost anywhere. a.true b.false
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Chemistry, 22.06.2019 18:30
Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.
Answers: 3
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
2AI + 3ZnCl2 - 2AlCl3 + 3Zn
According to the chemical reaction above, what is the mole ratio betwee...
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