Chemistry, 17.07.2019 11:30 jenlicavoli
What is the change in the atomic number when an atom emits an alpha particle? a. decreased by 2 b. decreases by 1 c. increases by 1 d. increases by 2
Answers: 1
Chemistry, 21.06.2019 22:00
What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz
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 23:30
To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.
Answers: 1
What is the change in the atomic number when an atom emits an alpha particle? a. decreased by 2 b....
Business, 31.05.2021 20:40
Mathematics, 31.05.2021 20:40
Mathematics, 31.05.2021 20:40
Mathematics, 31.05.2021 20:40
Mathematics, 31.05.2021 20:40
Computers and Technology, 31.05.2021 20:40
Mathematics, 31.05.2021 20:40