What is the number of molecules in 500cm? of oxygen under room conditions? 22
a. 1.25 x 10 22
b. 1.34 x 10
c. 3.0 x 10 22
d. 3.0 x 10 26

What must happen before a body cell can begin mitotic cell division

The boiling point of liquids is very high what does it indicate

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.