Electronegative atom. 6.7.5 Examples HCl O.N. Of O = -2 Mn 2 0 (1) AH = lllkj mol' 1 . Watch this at: http://www.youtube.com/watch?v=GmiZOhuvZzs 1 0.7 Enthalpy and Enthalpy Change 125 10.6 Endothermic reactions 127 10.7 Enthalpy and Enthalpy Change 127 10.8 Thermochemical equations 128 10.9 Standard State Enthalpies 128 "I studied English for 16.

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