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| Signs of chemical reaction |
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1. change in properties
2. change in energy
3. gas production
4. precipitate (solid) forms
5. new/broken bonds |
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| energy needed to start a reaction |
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| how to change rate of reaction |
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Definition
1. temperature
2. concentration
3. surface area |
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| written below symbol, tells number of atoms in molecule |
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| number in front of formula, tells how many atoms or molecules of reactant or product take part in reaction |
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