Explanation: Let the bond energy of O–O bond in hydrogen peroxide be BE(O–O). Total energy absorbed during bond-breaking = 2 × BE(O-O). Total energy released during bond forming = 1 × 486 = 486 kJ mol-1. Hence, DH = 2 × BE(O-O) - 486 ...
Understanding Basic Chemistry Through Problem Solving
This book is essential and useful to help students adequately prepare for the high-stake examinations.
"Written for students taking either the University of Cambridge O-level examinations or the GCSE examinations"--Preface.
This book is essential and useful to help students adequately prepare for the high-stake examinations.