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gafsroom gafsroom
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10 years ago
(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.
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SmartNurse21SmartNurse21
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10 years ago
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