Molecul
15. The medicine in the diagram above has molecules that are moving around each
other...
Chemistry, 16.12.2020 01:00, gildedav001
Molecul
15. The medicine in the diagram above has molecules that are moving around each
other. doctor needs to slow down the molecules enough to cause a phase
change. How will she do this, and how will this affect the medicine?
Answers: 2
Chemistry, 20.06.2019 18:04, krojas015
Can anyone (a-level) a student was analysing a carbonate compound, mco3, containing an unknown group 2 metal, m. the student carried out thermal decomposition on 0.730g of the carbonate and measured the volume of gas produced. mco3 (s) mo (s) + co2 (g) the student collected and measured 120cm3 of carbon dioxide. 1 mol of carbon dioxide occupies 24 000 cm3 under these conditions. calculate the molar mass of the group 2 carbonate and hence deduce the identity of the group 2 metal, m.
Answers: 3
Chemistry, 22.06.2019 00:00, lilyclairehutson
Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
Answers: 1
Chemistry, 22.06.2019 00:30, TMeansStupidity
Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.
Answers: 1
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