Arrhenius etc

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12 Terms

1
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what is the relationship between ln k and T?

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2
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<p>Arrhenius graph </p><p>intercept? gradient?</p>

Arrhenius graph

intercept? gradient?

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3
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what is the collision theory equation in words?

rate = rate of collisions x fraction of collisions with enough E to react

4
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what is rate of collisions related to?

size of molecules and it is weakly temperature dependent

5
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<p>what do the different terms in Arrhenius equation relate to?</p>

what do the different terms in Arrhenius equation relate to?

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6
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which collisions result in reactions (diagram)?

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7
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<p>what is P in collision theory equation?</p>

what is P in collision theory equation?

steric factor, accounts for orientation effects

  • assumed that not all collisions with sufficient energy result in product formation

8
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transition state theory equilibrium

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9
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where is transition state on energy profile?

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10
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why doesn’t catalysis alter POE?

lowers activation energy for both forward and backward reactions (speeds up rate)

11
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<p>how to calculate K from rate coefficients?</p>

how to calculate K from rate coefficients?

rate of forwards and backwards reactions are equal

<p>rate of forwards and backwards reactions are equal </p>
12
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on an energy profile, where is Ea reverse?

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