1.2 Fundamental Chemical Laws

Vocabulary flashcards covering the fundamental chemical laws, key scientists, and scientific principles from Section 1.2.

Law

Describes what happens.

Theory

Explains why it happens; backed with a lot of tests.

Law of Conservation of Mass

States that matter cannot be created nor destroyed in a chemical reaction; associated with Antoine Lavoisier.

Antoine Lavoisier

Scientist associated with the Law of Conservation of Mass.

Law of Definite Proportion

States that a given compound always contains exactly the same proportion of elements by mass; associated with Joseph Proust.

Joseph Proust

Scientist associated with the Law of Definite Proportion.

Law of Multiple Proportions

States that two elements may combine to form varying compounds using different whole number ratios; associated with John Dalton.

John Dalton

Scientist associated with the Law of Multiple Proportions.

Law of Conservation of Energy

States that energy cannot be created nor destroyed during Chemical & physical Change.

Einstein's Theory of Relativity

Theory from which $E = mc^2$ is derived, showing that the combined amount of matter & energy in the universe is fixed.