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Q4 Reaction Rates 1 Flashcards | StudBud
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Q4 Reaction Rates 1
Q4 Reaction Rates 1
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1
Collision Theory states that particles must collide with ______and ______ in order for reaction to be successful.
bond energy, bond formation
enough energy, proper orientation
exothermic energy, concentration
proper orientation, solubility
2
Which reaction rate number (M/s) below indicates the slowest speed for the reaction?
0.450 M/s
0.001 M/s
0.030 M/s
0.600 M/s
3
Concentration
: Molarity [M] represents ________of solute in a given _____________ of solvent in a solution.
grams (g), volume (L)
grams (g), mole (mol)
volume (L), mole (mol)
mole (mol), volume (L)
4
What combination of activation energy and temperature will most likely result in a successful reaction?
high activation energy & high temperature
high activation energy & low temperature
low activation energy & low temperature
low activation energy & high temperature
5
Reaction rate graph shows concentration of products _______and concentration of reactants ______ over time.
decreasing, decreasing
increasing, increasing
decreasing, increasing
increasing, decreasing
6
Which factor will cause the reaction rate to increase?
increase surface area
remove a catalyst
all of the above
lower the concentration
7
Which factor(s) can cause the reaction rate of the reactants to decrease?
remove the catalyst
increase the volume of container
lower the concentration
all of the above
8
Minimum energy needed to start reaction is _________energy. Collision energy must be _________than this.
catalytic, lower
activation, higher
activation, lower
catalytic, higher
9
What two variables are needed to solve for the reaction rate?
time and speed
temperature and time
concentration and time
concentration and speed
10
The study of reaction rates and factors that affect speed of a reaction is called _________.
kinetics
enthalpy
equilibrium
stoichiometry
