Answer Key
Answer Key
Answer Key
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Name: _______________________________________ Date: __________________ Pd.<br />
Fill in the blank with the correct key term<br />
1. _reactant_________________ a substance or molecule that participates in a chemical<br />
reaction,<br />
2. _endothermic_________________ chemical reaction in which energy is absorbed<br />
3. _product_________________ the substance that forms in a chemical reaction<br />
4. _chemical reaction_________________ a representation of a chemical reaction that<br />
uses symbols to show the relationship between the reactant and product<br />
5. __chemical energy________________ the energy released when a chemical compound<br />
reacts to produce new compounds<br />
6. _exothermic_________________ chemical reaction in which energy is released<br />
7. _mole ratio_________________ the relative number of moles of the substance required<br />
to produced a given amount of product in a chemical reaction<br />
8. _decomposition_________________ type of reaction a single compound breaks down<br />
to from two or more simpler substances<br />
9. _double displacement_________________ a reaction in which a gas, a solid precipitate,<br />
or a molecule compound forms from the apparent exchange of atoms or ions between<br />
two compounds<br />
10. __single replacement________________ a reaction in which one element or radical<br />
takes the place or another element or radical in a compound<br />
11. __synthesis________________ a reaction in which two or more substances combine to<br />
form a new compound<br />
12. __oxidation-reduction Rx________________ any chemical change in which one<br />
substance is oxidized(loses) and one substance is reduced(gains), also called redox<br />
reaction<br />
13. __combustion________________ the oxidation reaction of an organic compound, in<br />
which heat is released<br />
14. _Free Radical_________________ at atom or group of atoms that has one unpaired<br />
electron<br />
15. __catalyst________________ a substance that changes the rate of a chemical reaction<br />
without being consumed or changed significantly<br />
16. __equilibrium reaction________________ state of balance in which the rate of the<br />
forward reaction balances the rate of the reverse reaction<br />
17. __Enzyme________________ a molecule, usually a protein, that acts as a biological<br />
cataylst<br />
18. _substrate_________________ the reactant in reactions catalyzed by enzymes
Name the 7 Diatomic Molecules
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