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Chemistry, 23.06.2019 02:00
The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?
Answers: 3
Chemistry, 23.06.2019 10:30
The element chlorine has two stable isotopes, chlorine-35 with a mass of 34.97 amu and chlorine-37 with a mass of 36.95 amu. from the atomic weight of cl = 35.45 one can conclude that:
Answers: 2
Chemistry, 23.06.2019 12:30
You have 125 g of a certain seasoning and are told that it contains 70.0 g of salt. what is the peroentage of salt by mass in this seasoning?
Answers: 2
Chemistry, 23.06.2019 16:30
Ascientist measures the vapor pressure of a liquid. at 15° c, the vapor pressure was 19 kilopascals. at 25° c, it was 31 kilopascals. at 35° c, it was 59 kilopascals. which statement can be inferred from the observations?
Answers: 3
. What is the mass of 0.0522 moles of SO2?...
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