The Figure shows an energy level diagram for the decomposition of hydrogen peroxide using a catalyst

Question

The Figure below shows an energy level diagram for the decomposition of hydrogen peroxide using a catalyst

1. Using the energy values A, B and C, write an expression for
   1. ΔH of the reaction  
   2. activation energy.
2. On the same axis., sketch a curve that would be obtained if the reaction was carried out without a catalyst.   

Answer 1

1.  
   1. ΔH = A−B 
   2. EA = C−B
2.