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10 Cards in this Set
- Front
- Back
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Chemical change
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A new substance is formed
Examples: burning, rusting, color change, mold forming |
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Subscript
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The small number written to
the right of the atoms. |
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Coefficient
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The large number written to
the left of the equation. It is the number of molecules. |
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Physical change
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No new substance is formed. Just a different form.
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Exothermic reaction
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A reaction that releases energy. Hint external gives off heat.
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Endothermic reaction
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A reaction that absorbs or takes in energy. gets cooler.
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Products
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Located on the right side of
an equation products are what you end up with in a chemical reaction. |
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Reactants
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Located on the left side of an
equation reactants are what you start with. |
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Law of Conservation of Mass
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Matter cannot be destroyed or created only change forms.
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Balanced equation
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A chemical equation is balanced when the number of atoms is the same on each side of the equation
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