Curated OER
Chapter 2 and 3 Practice Worksheet - Formulas and Compounds
In this formulas and equations worksheet, chemistry apprentices write the chemical formulas given the names. They calculate percent composition, balance equations, and calculate the mass of a substance present in a fertilizer. This is a...
CK-12 Foundation
Ck 12: Atomic Theory
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will explain the law of conservation of mass, the law of definite proportions, and the law of multiple proportions. They will also...
Other
Universe Today; What Is John Dalton's Atomic Model?
Article explaining the legacy of John Dalton. His research into gases led to his gas laws and then his proposed atomic model. The flaws in his atomic theory are discussed also. (Jan. 20, 2016)
Science Education Resource Center at Carleton College
Serc:interactive Study: Laws of Conservation of Mass and Definite Proportions
Dalton's Playhouse is an interactive concept simulation meant to convey fundamental concepts in chemistry, including the law of definite proportions, the law of multiple proportions, and the law of conservation of mass.
CK-12 Foundation
Ck 12: Chemistry: Law of Multiple Proportions
[Free Registration/Login may be required to access all resource tools.] Explains the law of multiple proportions.
CK-12 Foundation
Ck 12: Chemistry: Mass Ratio Calculation
[Free Registration/Login may be required to access all resource tools.] Explains mass ratio definition and mass ratio calculations.