Endo/Exo Reactions 2.4
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Last updated 7:36 AM on 8/31/26
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12 Terms
1
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Bond Breaking, Exo/Endo?
Endo
2
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Endothermic △rH = ?
= Hp - Hr
= a positive no.
3
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Exo/Endo?
Exo
4
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Exothermic Definition
Heat is released to the surroundings
5
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Endothermic Definition
Heat is absorbed from the surroundings
6
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Bond Forming
Endo/Exo?
Exo
7
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Test tube feels hot
Endo/Exo?
Exo
8
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Exothermic phase changes
Freezing
Condensation
Reverse Sublimation (gas → solid)
9
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Exothermic △rH = ?
= Hp - Hr
= a negative no.
10
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Test tube feels cold
Endo/Exo?
Endo
11
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Endothermic phase changes
Melting
Boiling/Expansion
Sublimation (solid → gas)
12
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Exo/Endo?
Endo