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14 Cards in this Set
- Front
- Back
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Law of conversion of mass |
. |
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Mass is neither________ or____________ by chemical reactions. |
Gained, Lost |
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Law of conversion of matter |
. |
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Matter is neither_________ nor____________ by chemical reactions |
Gained, Lost |
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Any reaction the elements in the reactive compounds simply______________,____________, then__________________ as different compounds |
Break apart, rearrange, go back together |
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The number of atoms of each element before the reaction _________________ as the number of atoms of each element after the reaction |
Is the same |
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Law of conversion of energy |
. |
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___________ is always involved in chemical reactions |
Energy |
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Energy is neither____________ nor__________ by chemical reactions, it is only_______________ or________________ |
Creative, destroyed, absorbed, released |
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Energy is usually in the form of_____ but can also take form of: 1. 2. 3. 4. 5. |
Heat, light, Motion, Chemical, electricity, sound
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During______________ reaction, Chemical energy stored in the reactants is released |
Exothermic |
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During_______________ reaction, Energy is absorbed and stored as chemical energy in the products |
Endothermic |
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Endothermic products have______ energy than the reactants did |
Less |
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Exothermic products have______ Energy then the reactants did |
More
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