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The Enthalpy of Combustion (Fuels)

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The aim of this experiment is to investigate the effect that the number of carbons, in an alcohol, has on the enthalpy of combustion – and thereby the amount of energy released by the first five members of the alcohol homologous series.

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The Enthalpy of Combustion (Fuels)
Topics this document covers:
Chemistry Nature Thermochemistry Commodity chemicals Enthalpy Combustion Ethanol Methanol Heat of combustion Calorimeter Exothermic reaction Butanol
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Topics this document covers:
Chemistry Nature Thermochemistry Commodity chemicals Enthalpy Combustion Ethanol Methanol Heat of combustion Calorimeter Exothermic reaction Butanol
Sample Text:
Combustion is a very common example of an oxidation and reduction (redox) reaction, in which chemical potential energy (stored in the bonds) is converted into kinetic energy – heat and light, therefore it is an exothermic reaction. Today, most fuels used are hydrocarbons, as they provide large amounts of potential energy – a prime example is the alcohol homologous series. In this report, the fuel in question is alcohols, below are the chemical reactions for complete combustion. It can be noted that in complete combustion, the only products are carbon dioxide and water. Methanol: 2CH 3 OH + 3O 2 → 2CO 2 + 4H 2 O Ethanol: C 2 H 5 OH + 3O 2 → 2CO 2 + 3H 2 O Propanol: C 3 H 7 OH + 9O 2 → 6CO 2 + 8H 2 O Butanol: C 4 H 9 OH + 6O 2 ...
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