Foundations of Chemistry
3 terms
Law of Conservation of Mass
Foundations of Chemistry
kg
The principle that the total mass of the substances in a closed system is unchanged by any chemical reaction.
Σ m(reactants) = Σ m(products)
Law of Definite Proportions
Foundations of Chemistry
Dimensionless
The principle that a given chemical compound always contains its constituent elements in the same fixed mass ratio.
Law of Multiple Proportions
Foundations of Chemistry
Dimensionless
The principle that when two elements form more than one compound, the masses of one element combining with a fixed mass of the other are in small whole-number ratios.