|
Title: What energy change is associated with the reaction to obtain 1.00 mole of H2? The balanced equation ... Post by: cloveb on Mar 29, 2017 What energy change is associated with the reaction to obtain 1.00 mole of H2? The balanced equation is:
2 H2O(g) → 2 H2(g) + O2(g) and the relevant bond energies are: H-H : 436 kJ/mol; H-O : 467 kJ/mol; O-O : 146 kJ/mol; O=O : 498 kJ/mol. 1. +425 kJ 2. +249 kJ 3. −425 kJ 4. +498 kJ 5. -498 kJ 6. −436 kJ Title: Re: What energy change is associated with the reaction to obtain 1.00 mole of H2? The balanced ... Post by: bolbol on Mar 30, 2017 Content hidden
|