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Which is the best definition of activation energy?
The catalyst makes lower energy pathways available.
a reaction that releases energy into the environment
Bonds between atoms break and new bonds form.
The rate would increase.
the energy required to break the bonds of reactant molecules
the activation energy
low pressure
by decreasing the activation energy of a reaction
Which statement best describes how a catalyst can speed up a chemical reaction?
The catalyst makes lower energy pathways available.
a reaction that releases energy into the environment
Bonds between atoms break and new bonds form.
The rate would increase.
the energy required to break the bonds of reactant molecules
the activation energy
low pressure
by decreasing the activation energy of a reaction
Which factor can decrease the rate of a chemical reaction?
The catalyst makes lower energy pathways available.
a reaction that releases energy into the environment
Bonds between atoms break and new bonds form.
The rate would increase.
the energy required to break the bonds of reactant molecules
the activation energy
low pressure
by decreasing the activation energy of a reaction
How does a catalyst work?
The catalyst makes lower energy pathways available.
a reaction that releases energy into the environment
Bonds between atoms break and new bonds form.
The rate would increase.
the energy required to break the bonds of reactant molecules
the activation energy
low pressure
by decreasing the activation energy of a reaction
If the activation energy required for a chemical reaction were reduced, what would happen to the rate of the reaction?
The catalyst makes lower energy pathways available.
a reaction that releases energy into the environment
Bonds between atoms break and new bonds form.
The rate would increase.
the energy required to break the bonds of reactant molecules
the activation energy
low pressure
by decreasing the activation energy of a reaction
Which statement correctly describes a chemical reaction?
The catalyst makes lower energy pathways available.
a reaction that releases energy into the environment
Bonds between atoms break and new bonds form.
The rate would increase.
the energy required to break the bonds of reactant molecules
the activation energy
low pressure
by decreasing the activation energy of a reaction
Which reaction is exothermic?
The catalyst makes lower energy pathways available.
a reaction that releases energy into the environment
Bonds between atoms break and new bonds form.
The rate would increase.
the energy required to break the bonds of reactant molecules
the activation energy
low pressure
by decreasing the activation energy of a reaction
Which component is affected when a catalyst is added to a chemical reaction?
The catalyst makes lower energy pathways available.
a reaction that releases energy into the environment
Bonds between atoms break and new bonds form.
The rate would increase.
the energy required to break the bonds of reactant molecules
the activation energy
low pressure
by decreasing the activation energy of a reaction
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