Chemistry, 06.10.2019 10:00, babbiegirl8035
In a hydrogen atom an electron mobes from the fifth to the seond energy level what wavelength in nm is associated wiht this transition is the transition between energy levels represetative of energy being absorbed or emitted finaly what coor of light does this represent if instead the electron moved fomr the fifth to the first energy level toward what co. or would the wabaelengh of ligh shift.
Answers: 2
Chemistry, 21.06.2019 12:30, kylieweeks052704
Achemist determined by measurements that 0.0300 most of beryllium oxide participate in a chemical reaction calculate the mass of berlylium oxide that participates
Answers: 3
Chemistry, 22.06.2019 03:40, allyyzz
Astudent is given a sample of a blue copper sulfate hydrate. he weighs the sample in a dry covered porcelain crucible and got a mass of 23.875 g for the crucible, lid, and sample. the mass of the empty crucible and lid was found earlier to be 22.652 g. he then heats the crucible to expel the water of hydration, keeping the crucible at red heat for 10 minutes with the lid slightly ajar. on colling, he finds the mass of crucible, lid, and contents to be 23.403 g. the sample was changed in the process to very light clue anhydrous cuso4. if there are again 100.0 g of hydrate, how many grams of cuso4 are in it? how many moles of cuso4? (hint: molar mass of cuso4 = 159.6 g / mole. what per cent of the hydrate is cuso4? you may convert the mass of cuso4 to moles.)
Answers: 3
In a hydrogen atom an electron mobes from the fifth to the seond energy level what wavelength in nm...
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