The mass of graphite (C(s)) consumed when a Hall-Heroult cell operates for 3.00 hours with a current of 185 A is?

Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon

The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes

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.