Answers: 3
Another question on Chemistry
Chemistry, 22.06.2019 07:20
Which of these conditions most likely produces an unstable isotope?
Answers: 1
Chemistry, 22.06.2019 09:00
If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?
Answers: 1
Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
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
You know the right answer?
What is the difference between methane and hydrogen...
Questions
Mathematics, 26.08.2019 05:50
Mathematics, 26.08.2019 05:50
Mathematics, 26.08.2019 05:50
Mathematics, 26.08.2019 05:50
History, 26.08.2019 05:50
Mathematics, 26.08.2019 05:50
Chemistry, 26.08.2019 05:50
Social Studies, 26.08.2019 05:50
Health, 26.08.2019 05:50
Spanish, 26.08.2019 05:50
Geography, 26.08.2019 05:50
Social Studies, 26.08.2019 05:50
