Chem 162 Exam Prep Test| Questions and
Verified Answers
The sum of the reaction orders for the individual reactants
rate
In a chemical reaction, the change in the concentration of a reactant or product per unit time
rate constant, k
A proportionality constant used in the rate law
rate law
A mathematical expression for the relationship between reaction rate and the
concentrations of reactants that includes a proportionality constant
rate-determining step
rate-determining step
reaction mechanism
A series of elementary steps that make up a chemical reaction.
reaction order, n
The power to which a reactant's concentration is raised in a rate law.
reaction rate
The change in the concentration of a reactant or product per unit time.
second order
A type of reaction in which the rate depends upon a reactant's concentration raised to the
second power.
, termolecular
Elementary steps with three reactant molecules.
transition state
A high-energy state in rearrangement of bonds occurs during chemical reactions; also called
activated complex.
zero order
A type of reaction in which the rate does not depend upon a reactant's concentration.
ampere, A
A unit of electrical current; 1A=1C/s
anode
The electrode at which the oxidation half-reaction occurs.
cathode
The electrode at which the reduction half-reaction occurs.
cathodic protection
Protecting a metal structure by creating an electrochemical cell in which a more active metal is
the anode and the metal structure that needs to be protected is the cathode.
concentration cell
An electrochemical cell in which the half-cells undergo the same reaction but differ in
ion concentrations, thus leading to a spontaneous reaction.
corrosion
The oxidation of a metal object in soil or water that is accelerated by the unintentional
formation of a voltaic cell.
coulomb, C
Verified Answers
The sum of the reaction orders for the individual reactants
rate
In a chemical reaction, the change in the concentration of a reactant or product per unit time
rate constant, k
A proportionality constant used in the rate law
rate law
A mathematical expression for the relationship between reaction rate and the
concentrations of reactants that includes a proportionality constant
rate-determining step
rate-determining step
reaction mechanism
A series of elementary steps that make up a chemical reaction.
reaction order, n
The power to which a reactant's concentration is raised in a rate law.
reaction rate
The change in the concentration of a reactant or product per unit time.
second order
A type of reaction in which the rate depends upon a reactant's concentration raised to the
second power.
, termolecular
Elementary steps with three reactant molecules.
transition state
A high-energy state in rearrangement of bonds occurs during chemical reactions; also called
activated complex.
zero order
A type of reaction in which the rate does not depend upon a reactant's concentration.
ampere, A
A unit of electrical current; 1A=1C/s
anode
The electrode at which the oxidation half-reaction occurs.
cathode
The electrode at which the reduction half-reaction occurs.
cathodic protection
Protecting a metal structure by creating an electrochemical cell in which a more active metal is
the anode and the metal structure that needs to be protected is the cathode.
concentration cell
An electrochemical cell in which the half-cells undergo the same reaction but differ in
ion concentrations, thus leading to a spontaneous reaction.
corrosion
The oxidation of a metal object in soil or water that is accelerated by the unintentional
formation of a voltaic cell.
coulomb, C
