Acatalyst
1. has no effect on the specific rate constant
for the reaction that it catalyzes.
2. changes the value for the heat of reaction.
3. alters the reaction mechanism.
4. is always a solid.
5. increases the reaction rate but does not
alter the activation energy of the reaction.
6. must be continually replenished as it is
used up.
7. must be present for any reaction to proceed.