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WorksheetsReaction kinetics
Total questions: 10
Worksheet time: 10mins
What two factors govern whether a collision between reacting particles will be effective?
orientation and potential energy
kinetic energy and temperature
kinetic energy and orientation
potential energy and kinetic energy
none of these
Determine the overall order of the reaction:
rate = k[A][B]0[D]
First order
Zero order
Second order
Third order
all of these
Under the collision theory, the particles must collide with ____ and ____ for a reaction to occur.
sufficient rate and sufficient energy
sufficient surface area and correct orientation
sufficient catalyst and sufficient energy
sufficent energy and correct orientation
none of these
More collisions correspond to a:
Faster reaction rate
Slower reaction rate
Constant reaction rate
no reaction
None of the above
Which of the following is NOT a factor affecting reaction rate?
temperature
catalysts
particle size
polarity
none of these
Which of the following factors increases only the effectiveness of collisions?
temperature
catalysts
concentration
particle size
none of these
Reaction rate means...
amount of product formed
speed of reaction
concentration of reacting particles
combining reactants with products
none of these
Decreasing the particle size increases the reaction rate because
It makes particles move faster
It increases the likelihood of collisions with the correct geometry
It decreases the surface area available to react
It increases the number of collisions
none of these
To slow down a chemical reaction you will do one of the following:
Place the reactants in hot water
Place the products in ice bath
Place the reactants in a ice bath
Keep stirring the reactants with a stirring rod
none of these
Which of the following increase the reaction rate?
less surface area
lower temperature
an inhibitor
increased concentration
none of these
