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Investigate the amount of heat released in the burning of fuels: ethanol (C2H5OH), propanol (C3H7OH) and butanol (C4H9OH).
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Plan ------------------------------------------------AIM---------------------------------------------- To investigate the amount of heat released in the burning of fuels: ethanol (C2H5OH), propanol (C3H7OH) and butanol (C4H9OH). -------------------------------------------BACKGROUND---------------------------------------- ALCOHOLS Ethanol, propanol and butanol are members of a homologous series of compounds known as alcohols. They have a general formula, CnH2n+1OH. They all react similarly and have similar physical properties. MOLECULAR STRUCTURES Ethanol: (C4H9OH) H H H - C - C - O - H H H Propanol: (C3H7OH) H H H H - C - C - C - O - H H H H Butanol: (C4H9OH) H H H H H - C - C - C - C - O - H H H H H Energy is released when the bonds are formed between the new water and carbon dioxide molecules. The amount of energy produced by such exothermic reactions can be calculated by using the mass of the water...
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