Chemistry, 11.02.2021 22:20 myalee1419
Yesterday your friend made 1 gallon of dark pink paint using the information in the table. Today she needs to make 3 more gallons of the same shade. She says that she should add 9 parts red tint and 2 parts white tint to 3 gallons of base paint. Explain the error in her reasoning.
Answers: 2
Chemistry, 22.06.2019 04:40, khan2491
Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)
Answers: 2
Chemistry, 22.06.2019 05:00, foreignking02
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
Answers: 3
Yesterday your friend made 1 gallon of dark pink paint using the information in the table. Today she...
Chemistry, 30.07.2019 17:30
Mathematics, 30.07.2019 17:40
Mathematics, 30.07.2019 17:40