If the following graphs are for the same reaction, which one is most likely the one with an added catalyst?
A)a
B)b
C)c
D)d
E)All have had catalyst added.

Question

If the following graphs are for the same reaction, which one is most likely the one with an added catalyst? 
A)a 
B)b 
C)c 
D)d 
E)All have had catalyst added.

Quizplus · Accepted Answer

Graph b shows a lower activation energy, which is a characteristic of a reaction with a catalyst. The catalyst lowers the activation energy required for the reaction to occur, allowing it to happen more quickly at a lower temperature.

If the Following Graphs Are for the Same Reaction, Which