For test.
1.) Write a complete balanced equation for the reaction of H2CO3 and KOH to produce a salt i. write the equation. ii. balance the equation iii. all state symbols included. iv. name the salt.
2.) Write a complete balanced equation for the reaction of H2SO4 and MgO to produce a salt. i. write the equation. ii. balance the equation iii. all state symbols included. iv. name the salt.
Answers: 3
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What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion
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Which of the following units is not an official si unit? mole liter kilogram ampere
Answers: 1
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How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?
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
For test.
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