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18 Cards in this Set
- Front
- Back
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1st Law of Thermodynamics
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Energy cannot be created or destroyed
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2nd Law of Thermodynamics
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For any spontaneous process, the entropy of the universe increases
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3rd Law of Thermodynamics
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For a perfect crystal at absolute zero, the entropy = 0 J/mol*K
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DeltaG= ?
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DeltaH - TDeltaS
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A -DeltaH and +DeltaS will be ____.
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Spontaneous
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A +DeltaH and - DeltaS will be ____.
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Non-spontaneous
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If both DeltaH and DeltaS are positive, the reaction will be spontaneous at ____ temperatures.
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high
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If both DeltaH and DeltaS are negative, the reaction will be spontaneous at ____ temperatures.
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low
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State functions depend on what?
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an initial and final
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A phase change from solid to liquid to gas will result in ____ entorpy (DeltaS).
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increased
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A phase change from gas to liquid to solid will result in ____ entorpy (DeltaS).
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decreased
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A phase change from gas to liquid to solid will result in ____ entorpy (DeltaS).
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decreased
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Increased entropy occurs when there is more ____ than ____ in a reaciton.
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product
reactant |
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____ temperature results in ____ entropy.
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increased/increased
or decreased/decreased |
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Increased entropy occurs when there is more ____ than ____ in a reaciton.
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product
reactant |
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____ temperature results in ____ entropy.
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increased/increased
or decreased/decreased |
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Dissolution from a solid into a liquid results in ____ entropy (DeltaS)
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increased
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Dissolution from a solid into a liquid results in ____ entropy (DeltaS)
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increased
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