2KNO3 + CaCO3 → K2CO3 + Ca(NO3)2 If 34.1 g KNO3 reacts with calcium carbonate, how many grams of Ca(NO3)2 are produced?

1

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

What produces wave a)sound b) heats c)transfer of energy d)vibrations

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.