1789+Lavoisier

=Antoine Lavoisier was born August 26 1743 and died May 8 1794. Lavoisier was a French noble. He started the first version of the law of conservation. He proved through many experiments that during a chemical change matter is not created or destroyed. He also named Hydrogen and oxygen. = = The law of conservation is that in every chemical equation the same amount of matter exists before and after the chemical change. That is why in chemical equations the reactants side is equal to the product side. No matter is lost. =