Apan containing hot water is left on the counter and becomes cool mainly due to

a. water molecules moving apart.
b. cold air penetrating the hot water.
c. heat from the water moving into the cooler air.
d. hot water reacting with the metal pan.

State two physical properties of ionic compound

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

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.