Chemistry, 28.11.2019 21:31 levelebeasley1
For a research project, the fisher esterification was to be repeated with a number of different reagents, but all other conditions were to be constant, i. e. the same number of moles of alcohol was to be used for each reaction, but the alcohol used was to be different. based on your knowledge of the reaction, fill in the blanks in the following proposed experiments. (select g-greater than, l-less than, e-equal to, n-not able to determine).
using 2-methyl-2-butanol would result in a percent yield (g, l,e, n) than using isoamyl alcohol.
using methanol would result in a percent yield (g, l,e, n) than using isoamyl alcohol.
using 3-methyl-2-butanol would result in a percent yield (g, l,e, n) than using isoamyl alcohol.
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
Chemistry, 23.06.2019 04:00
If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?
Answers: 3
Chemistry, 23.06.2019 10:50
Achemist reacted 57.50 grams of sodium metal with an excess amount of chlorine gas. the chemical reaction that occurred is shown. na + cl2 → nacl if the percentage yield of the reaction is 86%, what is the actual yield? show your work, including the use of stoichiometric calculations and conversion factors.
Answers: 1
For a research project, the fisher esterification was to be repeated with a number of different reag...
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