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Conservation of Mass

Chemical change A chemical reaction; a process that changes substances into new substances.
Chemical equation Chemical equations allow shorthand notation of reactions.
Closed system A system that cannot exchange matter or energy with anything outside it.
Open system A system that can exchange matter and energy with outside sources.
Conservation of Mass A fundamental principle of science stating that mass cannot be created or destroyed in a closed system through ordinary chemical or physical means.
Physical change A change in matter that does not affect its chemical composition.
Products The substances that are formed during a chemical reaction; in a chemical reaction the arrows point toward the product.
Reactants Two or more constituents of a chemical reaction that react to produce products.
Chemical reaction A chemical change; a process that changes substances into new substances (related word: chemical change)
Created by: poolk1