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U10 Pt Julia Short (Chemical Rates (How do changes to the nature of…
U10 Pt Julia Short
Chemical Rates
Reaction rates: the increase in the concentration of products over time, or the decrease in the concentration over time
Collision Theory: In order for a reaction to occur, the particles of the reactant must have a sufficient amount to collide and must collide at the correct angle.
How do changes to the nature of reactants, concentration, temperature, and surface area affect the rate of reaction?
Some substances react faster/more readily than others,
When the concentration is increased, more particles are able to collide and effective collisions occur more frequently.
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Increasing temperature causes more kinetic energy of the particles and the particles are able to collide easier.
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Rate-determining Step: The slowest step of a chemical reaction that determines the speed of the reaction.
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