Which of the following is an example of a chemical change that occurs in your home? A) Water boiling on the stove
B) Composting your own fertilizer
C) Smashing a window with a baseball
D) Adding food coloring to icing for a cake

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.