endothermic and exothermic reactions

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Last updated 7:52 AM on 8/26/26
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7 Terms

1
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Endothermic

Reactions that absorb energy , and decrease the temperature of the surroundings

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Exothermic

Reactions that release energy, raising the temperature of the surroundings

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Surroundings

Particles around the system, commonly water or air

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System

The reaction, atoms and molecules. The only things that are reacting

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You can’t measure yhe system, so exothermic and endothermic reactions are measured by

The increase or decrease of the temperature of the surroundings

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If you measure an increase in temp,

The system has lost energy

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If you measure a decrease in temp,

The system has gained energy