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→Energy Changes in Chemistry
==Energy Changes in Chemistry==
===Exothermic and Endothermic Reactions===
*[[Exothermic]] (Higher bond energies)*[[Endothermic]] (Higher bond energies)
*[[Reaction Profile]]
**[[Activation Energy]]
===Chemical Cells and Fuel Cells===
*[[Electrical Cell]] (p.d and reactants)*[[Fuel Cell]]s (advantages and disadvantages)
==The Rate and Extent of Chemical Change==