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Chapter 12.1-12.3

Terms in this set (13)

What is a factor that generally impacts reaction rates
The chemical nature of reactants
What is a factor that generally impacts reaction rates
The state of subdivision of reactants (aka surface area/ state of matter)
What is a factor that generally impacts reaction rates
The temperature of the reactants
What is a factor that generally impacts reaction rates
The concentration of reactants
What is a factor that generally impacts reaction rates
The presence of a catalyst
Which is going to react faster, a reaction with hydrogen gas or hydrogen liquid?
Hydrogen gas- larger surface area for other reactants to collide into and combine
Is a larger concentration reaction going to be slower or faster than a smaller concentration reaction?
Faster, there is more possibility for molecules to combine and react because there are more in a given area
Is a reaction at 50F or a reaction at 100F going to be faster?
100*F because there is a greater movement of the molecules allowing for an overall quickening of the reaction process
Define a catalyst
any substance that increases the rate of a reaction without itself being consumed in the reaction
What is the rate constant unit for an overall reaction order of 0?
moles / (Liters x seconds)
What is the rate constant unit for an overall reaction order of 1?
1/seconds
What is the rate constant unit for an overall reaction order of 2?
Liters / (moles x seconds)
What is the rate constant unit for an overall reaction order of 3?
(Liters ^ 2) / [ (moles ^ 2) x (seconds) ]
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