Chemical Kinetics and Drug Stability Flashcards

1
Q

Studies the rate at which a chemical process occurs

A

Chemical kinetics

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2
Q

How we measure rates

A

Reaction rates

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3
Q

How the rate depends on amounts of reactants

A

Rate laws

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4
Q

How to calculate amount left or time to reach a given amount

A

Integrated rate laws

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5
Q

How long it takes to react 50% of reactants

A

Half-life

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6
Q

How rate constant changes with T

A

Arrhenius equation

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7
Q

Link between rate and molecular scale processes

A

Mechanisms

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8
Q

Shows the relationship between the reaction rate and the concentration of reactants

A

Rate law

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9
Q

Is defined as the time required for one-half of a reactant to react

A

Half-life

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10
Q

The sequence of events that describes the actual process by which reactants become products

A

Reaction mechanism

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11
Q

Tells how many molecules are involved in the process

A

Molecularity

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12
Q

Reactions may occur all at once or through several discrete steps. Each of these processes is also known as an __________

A

Elementary reaction/process

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13
Q

The minimum amount of energy required for reaction

A

Activation energy

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14
Q

Diagram that is helpful to visualize energy changes throughout a process

A

Reaction coordinate diagrams

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15
Q

The high point of a reaction coordinate diagram

A

Transition state

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16
Q

Person who developed the Arrhenius equation

A

Svante Arrhenius

17
Q

A number that represents the likelihood that collisions would occur with the proper orientation for reaction

A

Frequency factor

18
Q

Increase the rate of a reaction by decreasing the activation energy of the reaction

A

Catalyst

19
Q

Are catalysts in biological systems

A

Enzymes

20
Q

Refers to the chemical and physical integrity of the dosage unit; ability of the dosage unit to maintain protection against microbiological contamination

A

Stability

21
Q

The date placed on the immediate container label of a drug product that designates the date through which the product is expected to remain within specifications

A

Expiration date