19. a geologist tests a rock containing calcium oxide by reacting it with hydrochloric acid. water and calcium chloride form.
which bonds break?
ca-o bonds in calcium oxide and h-o bonds in water
ca-o bonds in calcium oxide and h-cl bonds in hydrochloric acid
oh-o bonds in water and ca-cl bonds in calcium chloride
ca-cl bonds in calcium chloride and h-cl bonds in hydrochloric acid break

Asolution is made by dissolving 25.5 grams of glucose (c6h12o6) in 398 grams of water. what is the freezing point depression of the solvent if the freezing point constant is -1.86 °c/m? show all of the work needed to solve this problem.

Which element would mostly likely have an electron affinity measuring closest to zero

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.