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12 Cards in this Set
- Front
- Back
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What is Thermochemistry? |
Energy due to chemical reaction Which is called an "enthalpy change" |
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How can you solve "Delta H"? |
£(sum) delta Hf products - delta Hf reactants |
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What is - delta H stand for? |
Exothermic |
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What does exothermic mean? |
"Released" (heat released into enviornment) |
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What does + delta H stand for? |
Endothermic. |
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What does endothermic mean? |
Absorbed. Heat entering the enviornment. |
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What are the factors that influence(or change) the rate of a reaction? |
1. Concentration of the reactants 2. Process by which the process takes place 3. Temperature 4. Presence of a Catalyst 5. Reaction mechanism |
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The higher the concentration.... |
The higher the rates of the reaction. |
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Will increasing the temperature increase the rate? |
Yes. |
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What does a Catalyst do? |
Facilitate a reaction to speed it up. |
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Is a Catalyst involved on the reaction itself? |
No. |
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True or false: A Catalyst is a reactant to a product. |
False. It is NOT. |
