The minimum amount of energy that has to be added to start a reaction is the ______________ energy.

Choose one answer.

a. activation

b. endothermic

c. exothermic
I have exothermic written down on my paper??

Question

The minimum amount of energy that has to be added to start a reaction is the ______________ energy.

Choose one answer.

a. activation

b. endothermic

c. exothermic 
 I have exothermic written down on my paper??

geometry_hater · Answer

No remember sometimes the answers can be self-explanatory  its A because Activate means to start right....RIGHT

anonymous · Answer

it means to start now so yes!

anonymous · Answer

Marks: 1 


A material used to decrease the rate of a chemical reaction is a/an __________.


 Choose one answer. 





a. catalyst 







b. enzyme 







c. inhibitor 
 Enzyme energey?

anonymous · Answer

wrong one!!

anonymous · Answer

activation energy is the energy required to start a chemical reaction