A precipitate will form when a freshly prepared aqueous carbonic acid solution is added to an aqueous solution of a. calcium hydroxide. b. sodium chloride. c. potassium carbonate. d. nitrous acid. e. ammonium chloride.

What is the polyatamic ion of thiosulfate

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b. colder climates near the equator c. large waves on the cost of europe d. warm climates in northern europe

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth