Choose all the answers that apply. which of the following are general characteristics of animals? they are mobile they have nervous systems they are heterotrophs they have specialized tissue they have spinal cords

Which statement is true about ionic compounds?

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?