Chemical Energetics
Presentation
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Chemistry
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9th Grade
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Practice Problem
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Medium
Marwa ElHefnawy
Used 59+ times
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16 Slides • 7 Questions
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Chemical Energetics
A branch of chemistry dealing with the (heat) energy change that takes place during chemical reactions.
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Activation energy
The minimum amount of energy needed to start a chemical reaction
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Multiple Choice
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Multiple Select
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Exothermic Reactions
Products are more stable than the reactants (have less internal energy).
Eout > Ein
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Endothermic Reactions
Reactants are more stable than the products. Ein > Eout
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Multiple Select
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Fuels
Substances burnt to produce energy
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Multiple Select
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Hydrogen as a fuel
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Nuclear Energy
Do the benefits outweigh the risks?
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Nuclear Reactors
In nuclear reactors, U235 undergoes fission which produces a large amount of energy.
This energy is used to boil water.
The resulting steam is used to drive turbines which in turn generate electricity.
Chemical Energetics
A branch of chemistry dealing with the (heat) energy change that takes place during chemical reactions.
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