Chemistry, 23.02.2021 03:10 Sushmitarai9416
How much heat is released when 1.4 mol of hydrogen fluoride are produced? H2(g) + F2 (g) → 2HF+ 536kJ
Answers: 2
Chemistry, 22.06.2019 13:00, yaneiryx5476
Is 9 correct? and can someone me with 10? it’s due tomorrow, you
Answers: 1
Chemistry, 22.06.2019 21:40, k3rbycalilung
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
How much heat is released when 1.4 mol of hydrogen fluoride are produced?
H2(g) + F2 (g) → 2HF+ 536...
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