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Chemical Reaction
N/A
13
Chemistry
Undergraduate 1
02/14/2011

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Cards

Term
Rate of a chemical Rxn
Definition
Change in concentration of a rxn participant per unit of time
Term
Factors that affect Rxn rate
Definition
Concentraion of reactend, Temperature, Surface area, Catalysts
Term
Rate of a reaction can be calculated by:
Definition
Measuring concentration of reactant or product species at two diff. time
Term
Rate of reactant is a) - or b) +
Definition
a) -
Term
The rate is obtained a) experimentally or b) from balanced stoic. formula
Definition
b) balanced stoic. formula
Term
Rate equation (aka. Rate law, rate expression)
Definition
Mathematical equation describing relationship between reactant concentration and reaction rates
Term
Order of a reaction is the:
Definition
sum of all the indiv. order of its reactant
Term
First order rxn
Definition
k[A]; Ln([A]/[A0])=-kt
Term
half-life
Definition
time required for half the starting material to be consumed
Term
All radioactive decay follow...
Definition
first order rxn rate
Term
Zeroth order reaction
Definition
reactant's conc. does not affect rate
Term
Arrhenius "A"
Definition
Frequency constant
Term
Kinematic theory of collision
Definition
Molecules must collide with sufficient energy to break/weaken existing bonds to form new chemical bonds
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