Question

What is the energy of converting 2 A → > B given A —2C ДН= 10 kJ D—›2C ДН = -20 kJ 1 ДН = 20 kJ

Answer 1

The energy of converting 2 A to B is 10 kJ.

Step-by-step explanation:

The energy of converting 2 A to B can be determined by considering the energy changes associated with the given reactions. We have:

1. 
   
3. A → 2C (ΔH = 10 kJ)
4. 
   
6. C → 2D (ΔH = -20 kJ)
7. 
   
9. D → 2C (ΔH = 20 kJ)

To find the energy of converting A to B, we can sum up the energy changes for the individual reactions:

ΔH(A → B) = ΔH(A → 2C) + ΔH(C → 2D) + ΔH(D → 2C)

Substituting the given values, we get:

ΔH(A → B) = 10 kJ + (-20 kJ) + 20 kJ = 10 kJ