unit 9 ap chem

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Last updated 7:26 AM on 4/19/26
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13 Terms

1
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what is entropy

delta S

amt of disorder (chaos) in a system

solids (least)

gas (most)

2
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how to get a greater entropy

higher temperature

greater volume

3
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ΔG<0

thermodynamically favored process

product favored

4
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ΔG>0

NOT thermodynamically favored process

reactant favored

5
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-ΔH and +ΔS

thermodynamically favored at ALL temps

6
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+ΔH and -ΔS

never thermodynamically favorable

7
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+ΔH and +ΔS

thermodynamically favorable at HIGH temps

8
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-ΔH and -ΔS

thermodynamically favorable at LOW temps

9
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galvanic cell

battery

10
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oxidation of cell

anode

11
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reduction of cell

cathode (RED CAT)

cathode gains mass (CAT GETS FAT)

12
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how does energy move in the cell

anode → cathode

13
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importance of salt bridge

equalizes charge as ions reacts at electrode