In the graph above, y represents
Attached Figure / Diagram
A
endothermic reaction
B
activation energy
C
exothermic reaction
D
ionization energy
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
The activation energy is the energy required to get the reaction going. It's the difference between the energy of the reactants and the peak of the hump.
Source: WAEC / JAMB / NECO Classroom Archive (Record #70260)