Chemistry, 25.03.2021 14:00, SoccerHalo
1.40. Aluminum metal reacts with bromine, a red-brown liquid with a noxious
odor. The reaction is vigorous and produces aluminum bromide, a white
crystalline substance. A sample of 27.0 g of aluminum yields 266.7 g of
aluminum bromide. How many grams of bromine react with 18.1 g of
aluminum?
Answers: 2
Chemistry, 21.06.2019 22:30, monnn91351
Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.
Answers: 2
Chemistry, 22.06.2019 04:00, queenkimm26
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
Answers: 3
Chemistry, 22.06.2019 15:00, emmalie52
Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .
Answers: 1
1.40. Aluminum metal reacts with bromine, a red-brown liquid with a noxious
odor. The reaction is v...
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