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Some simple energetics ideas . . .
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Deals with the basic ideas about energy changes during chemical reactions, including simple energy diagrams and the terms exothermic and endothermic.
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Assorted definitions . . .
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Explains what enthalpy changes are and gives definitions of the key terms: standard enthalpy changes of reaction, formation and combustion.
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Hess's Law and simple enthalpy calculations . . .
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States and explains Hess's Law and how it is used. A brief introduction to enthalpy change calculations. (Full explanations of these are given in my calculations book, and I can't repeat them in detail here. That applies to the next links as well.)
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Bond enthalpies . . .
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Explains what bond enthalpies are, and gives a brief introduction to their use in calculations.
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Lattice enthalpies . . .
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An explanation of lattice enthalpies, how they can be used in Born-Haber cycles, and the factors which affect them.
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Enthalpy change of solution . . .
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The relationship between enthalpies of solution, lattice enthalpies and hydration enthalpies.
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Enthalpy change of neutralisation . . .
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A brief look at enthalpy change of neutralisation.
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Simple measurement of enthalpy changes of reaction . . .
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A brief introduction limited, I'm afraid, by the need to protect sales of my calculation book.