Chemistry, 02.08.2019 12:30 genyjoannerubiera
What did ernest rutherford's gold foil experiment demonstrate about an atom? each atom is composed of electrons and positive material. the mass of the atom is evenly spread throughout the atom. neutrons are located in the center of the atom. positive charge occupies a very small volume in the atom?
Answers: 1
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
Chemistry, 22.06.2019 03:00
Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes
Answers: 2
Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
Chemistry, 22.06.2019 15:00
Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.
Answers: 2
What did ernest rutherford's gold foil experiment demonstrate about an atom? each atom is composed o...
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