Which statement is true for both electromagnetic waves and mechanical waves?
A. They vibrate in the direction that is parallel to their direction of
travel
B. They transfer matter through empty space.
C. They carry energy over a distance,
D. They use matter to transmit the energy of a disturbance.

We just started a new lesson in chemistry and everyone hates it and i dont get it one bit. i hate school. h el p.balanced equationc3h8+5o2-> 3co2+4h2o1.) if you start with 14.8g of propane(c3h8) and 3.44g of oxygen, which is the limiting reactant -check my answer 2.)what mass of excess reagent is left over? 3.)what mass of carbon dioxide can be made? 4.)what mass of water is produced?

Compare and contrast the bohr model and the electron cloud models of the atom.

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder