When a forest burns and all that's left is some ash, where did most of the mass of the trees go? List the 2 molecules produced. What is the equation for combustion, starting with sugar and oxygen.

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.

How many moles of oxygen react with 12 moles of aluminum

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa