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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Energy can not be ____ or ___ |
Created or destroyed |
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In an exothermic reaction, heat is _______ |
Given out |
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In an endothermic reaction, heat is ________ |
Taken in |
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Where does an exothermic reaction transfer some of its energy to |
The surroundings |
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3 example exothermic type of reactions: |
1. Combustion 2. Neutralisation reactions 3. Oxidation reaction |
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Where exothermic reactions can be used: |
1. Hand warmers 2. Self heating cans |
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What happens to the temperature near an endothermic reaction? |
It goes down |
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Examples of endothermic reactions: |
1. Thermal decomposition 2. Citric acid + sodium hydrogen carbonate |
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Use of endothermic reactions: |
Sports injury packs |
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What's the name of the graph that shows energy changes? |
A reaction profile |
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In an exothermic reaction the products energy are ___ than the reactants |
Lower |
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What is activation energy? |
The minimum amount of energy reactants need to react |
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Bond breaking is _____thermic Bond forming is _____thermic |
Endothermic Exothermic |
Energy must be supplied to do what? Energy is released when what happens? |
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What is the bond energy of a compound? |
How much energy is needed to break the bonds of the compound (or make it ) |
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:) |
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