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Hint

1

Arrhenius constant

________, k, is based on the activation energy for a reaction and the temperature.

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2

Collision theory

________ states reactions only occur when chemicals collide with each other with sufficient energy (activation energy)

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3

First Order Rate Law

log[A]=-kt+ln[A]₀

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4

Zero Order Rate Law

Rate=k

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5

Second Order Rate Law

1/[A] = kt+ 1/[A]₀

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6

Catalyst

A substance added to a reaction to speed it up

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7

Intermediate

A substance created in one elementary step and used up in another

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8

Half-life

How long it takes for half of a substance to decompose/be consumed

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9

Half life equation

t= .693/k

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10

Heterogenous Mixture

Not all parts of a mixture are equal, unevenly mixed

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11

Homogenous Mixture

All parts of a mixture are equal, evenly mixed

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12

Elementary Step

The steps that occur during a reaction

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13

Activation energy

How much energy is required for a reaction to start/occur

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14

high

A reaction will occur more if there is a ______ concentration of an aqueous or gaseous substance

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15

lower

A reaction will occur less if the temperature is _____.

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16

heterogeneous

stirring will help a reaction occur more if the mixture is _____

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17

first

The half life equation can only be used for ____ order

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18

negative

First and zero order graphs have a _____ slope

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19

positive

Second order graphs have a _____ slope

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20

First Order

Rate = k[A]

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21

Second Order

Rate = k[A]²

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