Water molecules are polar because
a) water molecule has a linear shape
b) water molecule has a bent shape
c) oxygen atom has fewer electrons around it
d) hydrogen atom forms an ionic bond with oxygen

What are the similarities between compounds and mixtures?

If you had to research a particular disease or area of concern in veterinary medicine and science, which one would you choose? why?

An uncovered pot of water lies out in the sun. which statements correctly describe what happens at the surface of the liquid water? 1. the vapor pressure remains constant regardless of the water temperature. 2. the vapor pressure is produced by water molecules that have evaporated. 3. the vapor pressure increases as the sun heats the water in the pot. 4. evaporation stops once the vapor pressure reaches a certain point. 5. evaporation and condensation both occur on the liquid’s surface.