Chemistry, 14.10.2020 01:01 edeliz3886
Complete the passage. K (potassium) belongs to group IA of the periodic table, and has 1 valence electron. Br (bromine) belongs to VIIA, and has valence electrons. answer= 7
Answers: 2
Chemistry, 21.06.2019 15:10
Seawater contains approximately 3.5%nacl by mass and has a density of 1.02 g/ml. what volume of seawater contains 7.5 g of sodium?
Answers: 2
Chemistry, 22.06.2019 13:30
Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering
Answers: 1
Chemistry, 23.06.2019 03:00
Determine type of reaction & predict the product c3h12+o2 =
Answers: 1
Chemistry, 23.06.2019 10:50
Achemist reacted 57.50 grams of sodium metal with an excess amount of chlorine gas. the chemical reaction that occurred is shown. na + cl2 → nacl if the percentage yield of the reaction is 86%, what is the actual yield? show your work, including the use of stoichiometric calculations and conversion factors.
Answers: 1
Complete the passage. K (potassium) belongs to group IA of the periodic table, and has 1 valence ele...
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