Chemistry, 26.08.2019 13:30 leahstubbs
Why is helium not placed over beryllium on the periodic table
Answers: 1
Another question on Chemistry
Chemistry, 22.06.2019 04:00
14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream
Answers: 3
Chemistry, 22.06.2019 10:00
The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation
Answers: 1
Chemistry, 22.06.2019 12:00
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadroβs number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
Answers: 1
Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+eββ½βββcu(s)pb2+(aq)+2eββ½βββpb(s)fe3+(aq)+3eββ½βββfe(=6.2Γ108=4.0Γ10β5=9.3Γ10β3 cu + ( aq ) + e β β½ β β β cu ( s ) k =6.2Γ 10 8 pb 2 + ( aq ) +2 e β β½ β β β pb ( s ) k =4.0Γ 10 β 5 fe 3 + ( aq ) +3 e β β½ β β β fe ( s ) k =9.3Γ 10 β 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
You know the right answer?
Why is helium not placed over beryllium on the periodic table...
Questions
Mathematics, 31.07.2020 21:01
Physics, 31.07.2020 21:01
Physics, 31.07.2020 21:01
Mathematics, 31.07.2020 21:01
Mathematics, 31.07.2020 21:01
Mathematics, 31.07.2020 21:01
Mathematics, 31.07.2020 21:01
Mathematics, 31.07.2020 21:01
Mathematics, 31.07.2020 21:01
Mathematics, 31.07.2020 21:01
