Is sugar water a mixture or a compound? Define mixtures and compounds, and explain how, without tasting it, you can test to make sure which one is the sugar water.

How does decreasing the gas volume affect the pressure of a gas?

What is the mass of 4 molecules of co2

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.