Chemistry Entropy

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16 Terms

1
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a process that takes place unassisted once it was sufficient activation energy

spontaneous

2
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T/F spontaneous reactions are all fast

False

3
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matter and energy tend toward ______

disorder

4
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t/F heavier gases have more entropy

true

5
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T/F higher temperatures cause more entropy

true

6
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-S =

more ordered/ less diordered

7
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+S =

more disordered/ less ordered

8
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entropy units

J/kxmol

9
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-H, +S

always S, driven by both

10
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-H, -S

spontaneous at low temperatures, enthalpy

11
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H, S

at high temperatures, entropy

12
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H, -S

never spontaneous, neither

13
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units on G

kJ/mol

14
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spontaneous reaction in the forward direction

product- favored; G<0; K>1

15
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non-spontaneous in forward direction

reactant favored; G>0; K<1

16
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at equilibrium Q=K

G=0