Section 15.5 The Effect of Temperature on Reaction Rate

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10 Terms

1

the rate of reaction

increases with increasing temperature

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2

R is

the gas constant (8.314 J/mol⋅K)

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3

A is

a constant called the frequency factor

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4

Ea is

the activation energy/activation barrier

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5

The exponential factor increases

with increasing temperature

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6

activation energy(Ea) is

an energy barrier/hump that must be surmounted in order for the reactants to transform into products

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7

frequency factor (A) is

the number of times that the reactants approach the activation barrier per unit time

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8

The higher the activation energy

the slower the reaction rate (at a given temperature)

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9

The exponential factor is

the fraction of the approaches that are successful in ­surmounting the activation barrier and forming products

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10

The exponential factor decreases with

increasing activation energy

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