Second Order Reaction Rate Law & Units
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r = k [A]^2, L/mol*s
Temperature Increased, Negative Delta H
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Reaction shifts in the reverse direction to use up some of added heat (-
delta H=exothermic (heat producing) forward rxn)
Use of K (equilibrium constant)
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To predict whether a reaction not at equilibrium will proceed toward
products or reactants
Temperature Increased, Positive Delta H Effects Kc
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Forward increases concentration of products (numerator Kc) and
decreases concentration of reactants (denominator Kc), which INCREASES
VALUE of Kc
Temperature Decreased, Negative Delta H
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Reaction shifts in the forward direction to produce some heat (-delta
H=exothermic (heat producing) forward rxn)
Effect of Stirring
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Stirring a heterogeneous mixture increases the amount of contact between
particles causing a higher rate of reaction
, Qc > Kc
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Reaction proceeds to the left (in direction of the reactants)
Intermediate
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Enzyme-substrate complex
Substrate
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A specific reactant acted upon by an enzyme
Rate Law
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Mathematical equation that describes the dependence of the reaction rate
on the concentrations of some of the reactants
Give this one a try later!
r = k [A]^2, L/mol*s
Temperature Increased, Negative Delta H
Give this one a try later!
Reaction shifts in the reverse direction to use up some of added heat (-
delta H=exothermic (heat producing) forward rxn)
Use of K (equilibrium constant)
,Give this one a try later!
To predict whether a reaction not at equilibrium will proceed toward
products or reactants
Temperature Increased, Positive Delta H Effects Kc
Give this one a try later!
Forward increases concentration of products (numerator Kc) and
decreases concentration of reactants (denominator Kc), which INCREASES
VALUE of Kc
Temperature Decreased, Negative Delta H
Give this one a try later!
Reaction shifts in the forward direction to produce some heat (-delta
H=exothermic (heat producing) forward rxn)
Effect of Stirring
Give this one a try later!
Stirring a heterogeneous mixture increases the amount of contact between
particles causing a higher rate of reaction
, Qc > Kc
Give this one a try later!
Reaction proceeds to the left (in direction of the reactants)
Intermediate
Give this one a try later!
Enzyme-substrate complex
Substrate
Give this one a try later!
A specific reactant acted upon by an enzyme
Rate Law
Give this one a try later!
Mathematical equation that describes the dependence of the reaction rate
on the concentrations of some of the reactants
