770012
Description
Flashcards by Little Dragon, updated more than 1 year ago
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Created by Little Dragon
over 10 years ago
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| Question | Answer |
| Exothermic Reactions give out heat energy to the surroundings RISE IN TEMPERATURE | Example - Burning Fuels |
| Endothermic Reaction takes in energy from surroundings FALL IN TEMPERATURE | Example - Thermal Decomposition |
| Adding an acid to an alkali is ... | Exothermic (Gives out heat energy) |
| Dissolving ammonium nitrate in water is ... | Endothermic (takes in heat energy) |
| Energy MUST be supplied to break bonds | Bond breaking is Endothermic (Takes in energy) |
| Energy is released when new bonds are formed | Bond Formation is Exothermic (Gives out energy) |
| Bond Breaking - Endothermic |
Image:
Bond_breaking (image/png)
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| Bond Forming - Exothermic |
Image:
bond_formation (image/png)
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| Exothermic Reaction | Energy released in bond formation > energy used in breaking old bonds |
| Endothermic Reaction | The energy required to break old bonds > the energy released when new bonds are formed |
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