Chemistry, 30.06.2019 13:30 levicorey846
You have 4.872 x 1034 atoms of copper. how many moles is this? 7.666 x 10^32 mol 2.933 x 10^58 mol 1.237 mol 8.093 x 10^10 mol
Answers: 1
Chemistry, 21.06.2019 13:30
One of the reactions in a blast furnace used to reduce iron is shown above. how many grams of fe2o3 are required to produce 15.5 g of fe if the reaction occurs in the presence of excess co? a.11.1 g b.22.1 g c.30.0 g d.44.2 g
Answers: 2
Chemistry, 21.06.2019 22:20
Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d.the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge
Answers: 2
Chemistry, 22.06.2019 02:50
Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.
Answers: 3
You have 4.872 x 1034 atoms of copper. how many moles is this? 7.666 x 10^32 mol 2.933 x 10^58 mo...
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