produces new substances by changing the way in which atoms are arranged.
Bonds are broken. The substances present at the beginning of a chemical reaction.
the substances formed by a chemical reaction.
a solid formed in a chemical reaction.
substance that increases the rate of a chemical reaction but is not itself consumed in the reaction.
Law of Conservation of Mass:
states that in a chemical reaction atoms are neither created nor destroyed.
indicate how molecules take part in the reaction.
a reaction in which energy is released.
a reaction in which energy is absorbed.
the amount of energy in a chemical bond between atoms.
plants absorb energy from sunlight to turn carbon dioxide and water into oxygen and glucose (nutrition).
the "combustion" of glucose to obtain energy.