Exam-style question
Try this first
Using the supplied average bond energies, what is the energy transferred for 2HI -> H2 + I2 in Reaction profiles?.
- A.9 kJ, endothermic
- B.-9 kJ, exothermic
- C.0 kJ, no net energy change
- D.Incorrect bond-energy interpretation 4
Answer and explanation
Attempt the question first, then reveal the model answer and explanation.
Common mistake
No common mistake is linked to this question yet.