Reaction Rates
Factors that Affect Reaction Rates
O Chem application
Rate Laws
Reaction Mechanisms
100
This is what reaction rates measure
What is the speed of a chemical reaction
100

The presence of this decreases the activation energy without being consumed

What is a catalyst

100

Reason for why a catalyst affects Kinetics but not thermodynamics

What is catalyst does not change Delta G or equilibrium position, and only lowers activation energy

100
In the equation Reaction rate=k[reactant A]^m[reactant B]^n, what do m and n represent
What are the reaction orders
100
Reactions that occur in a single event step are called what
What is an elementary reaction
200

This is directly proportional to the kinetic energy of the molecules

What is temperature

200
Chemical reactions proceed faster if what of the reactants is increased
What is the concentration
200

This species corresponds to a local minimum on a reaction coordinate diagram.

What is an intermediate 

200

The ___ is the sum of the exponents for each reactant

What is the order of the reaction

200
Each elementary step of a mechanism has a certain molecularity, the number of molecular bits that must what within that step.
What is collide
300
Rates of reactions are expressed as the change in the amount of these per unit time
What are reactants or products
300
An increase of what causes molecules to move more rapidly in a reaction
What is an increase of temperature
300

Enzymes speed up reactions by stabilizing this.(HINT: it is not the substrate.)

What is the transition state

300
Rate=k[A] represents a reaction that depends linearly on the concentration of a single species. These reactions are known as what order?
What is a first-order reaction
300

 The tallest peak on a multi-step energy diagram corresponds to this

What is the rate-determining step

400

Two reactions which have the same concentration, activation energy, temperature and no catalyst take place but one has a higher reaction rate because of this factor

What is Geometry/Sterics

400
Increasing the surface area of the reactants increases the rate of the reactions by doing what
What is increasing the amount of collisions in the reactions
400

Bulky substituents slow reactions by increasing this.(HINT: Focus on the fact that they are bulky)

What is steric hinderance 

400
Rate laws are equations that relate the rate of a reaction to the what of some species in solutions.
What is the concentration
400
The slowest step determines the overall rate of the reaction also known as the what
What is the rate determining step.
500
Reactions usually occur most quickly at what point in a reaction
What is the beginning of a reaction
500

What is the value and units of the rate constant

Must be determined experimentally

500

This can cause for an increase in the rate of reaction for groups involving carbocations.(HINT: carbocations react faster if they are more stable.)

What is electron donations/ electron donating groups

500

In the reaction, rate=k[reactant A]m[reactant B]n, if m is greater than n, then changing the concentration of A effects the rate ____ the changing concentration of B.

What is more than

500

For a reaction mechanism to be true, the what proposed by that mechanism must agree with the observed rate law.

What is the rate law.

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