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5 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Law of Conservations of Mass |
Mass is neither created nor destroyed in a chemical reaction. |
Antoine Lavoisier |
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Law of Definite Proportions |
A given compound always contains exactly the same proportion of elements by mass. |
Joseph Proust |
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Law of Multiple Proportions |
When two elements combine to form more than one compound, the mass of one element, which combines with a fixed mass of the other element, will always be ratios of whole numbers. |
John Dalton |
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Law of Conservations of Energy |
Energy cannot be created nor destroyed in a chemical reaction nor in a physical change. |
Julius Robert Mayer |
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Law of Conservations of Mass and Energy |
The combined amount of matter and energy in the universe is fixed. |
This law is from Einstein's Theory of Relativity: E = mc^2 |
