Topic 16-Kinetics II
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How do you know the overall order of reaction?
Sum of the orders of all reactants
What is the half-life?
Time it takes for half the reactant to be used up (concentration halves)
How can you tell if a graph shows a first order reaction?
The half lives are constant, always takes same amount of time for conc to half, and half-life independent of the concentration.
The rate constant k is …….. dependent
temperature dependent
What do we/ don’t we include in the rate equation?
Anything 0 order ISN’T included in the rate equation concentrations of reactions are shown
How can you judge whether a tangent has been drawn accurately?
Equal distances to the curve on each side of the point.
The rate-determining step is the ……. step in a ……-….. reaction
slowest step in a multi-step reaction
If a reactant doesn’t appear in the rate equation what does this mean regarding the RDS?
If reactant not in rate equation then ISN’T involved in the rate determining step
The order of a reaction with respect to a reactant shows the number of …….. of ….. …… involved in or before the RDS
The number of molecules of that reactant in or before RDS