Title: Stuck on a chemistry unit 3 question about bond energies to calculate energy chenges? Post by: gafsroom on Oct 28, 2013 (note: im on study leave so i cant contact my teacher, this is revision, not homework)
Q) Use the bond energies to calculate the energy change for this reaction. 2H-O-O-H. --->. 2H-O-H+ O=O H-O 464 O-O 146 O=O 498 Then after this question it asks: explain, in terms of bond making and bond breaking, why the reaction is exothermic. Title: Stuck on a chemistry unit 3 question about bond energies to calculate energy chenges? Post by: SmartNurse21 on Oct 28, 2013 Content hidden
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