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Chemistry
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Energy Changes in Chemical Reactions (1)
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Chemical reactions that release heat to the surroundings
Exothermic reactions
Chemical reactions that absorb heat from the surroundings
Endothermic reactions
Examples of exothermic reactions (1)
Respiration
Examples of endothermic reactions (1)
Photosynthesis
Representation of the energy change in a chemical reaction
Energy level diagram
Definition of heat of reaction
The heat change of one mole of reactant that reacts or one mole of product that is formed
Type of chemical reactions
- Exothermic reactions - Endothermic reactions
Exothermic reaction (1)
Chemical reactions that release heat to the surroundings
Exothermic reaction (2)
Heat released to the surroundings causes the surrounding temperature to rise
Exothermic reaction (3)
Exothermic reaction cause the container becomes hot
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Energy Changes in Chemical Reactions (1)
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