Please Help!! My mind can't focus. 1. Identify the type of cell depicted in the diagram ( electric cell I think)
2. Why is an external power source needed for the chemical change to occur in the cell
3.Write the half-reaction that occurs at the cathode of the cell. Explan your answer.

Which solution is an example of a nonelectrolyte? a. iodine in hexane b. sodium nitrate in waterc. acetic acid in waterd. hydrogen chloride in water

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally