Burning Fuels Investigation

Burning Fuels Investigation Aim: I bequeath be carrying disclose an investigation, which exclusivelyows me to calculate and compare how much capability/ elicit is use to raise 100cm3 of water to 20 °C. I will be using 5 different fuels; butyl alcohol, Pentanol, propyl alcohol, Methanol and so-so(p) spirits. The aim is to reveal out how much energy is produced when longing these alcohols. Alcohols react with atomic number 8 in the demarcation to form water and carbon dioxide. This is an energy-releasing reaction, meaning that when energy is put in, more(prenominal) than than energy is given up off. The commande of the alcohols that I will be using are. Methanol CH3OH Ethanol C2H6O Propanol C3H8O Butanol C4H9OH Pentanol C5H11OH Prediction: I predict that the more attachs on that point are holding the carbon, oxygen and hydrogen atoms unneurotic; more energy will be required to give air them apart. For example Ethanol has the formula C H OH. In this formula you have five C-H bonds, one C-C bond, one C-O bond and one O-H bond. To separate these types of bonds you require a certain meat of energy, which I will show in a table. C-H 410 C-O 360 O-H 510 O=O 496 C=O 740 C-C 350 To separate C-H bond you engage to rehearse 410 J of energy. There are five such(prenominal) bonds in ethanol so you 410 x 5 = 2050J.

You do these calculations for every last(predicate) the other types of bonds that make up ethanol, add them all to goher and you get 3270 joules. All of the other alcohols provoke be upturned up in this way. Below is a table covering the energy required to impart up the bonds in each alcohol. Type Of Alcohol| Ener gy required to break the bonds in the alcoho! l (J)| Methanol| 2100| Ethanol| 3270| Propanol| 3740| Butanol| 4560| Pentanol| 5380| As you can see a longer corpuscle precedes more energy to break its bonds, in this case Pentanol. Compared to a littler molecule, methanol requires less energy to do so. I can come to predict that the longer the molecular organize in the alcohol the more energy it will take to aim the bonds. So when I come to predicting results...If you want to get a full essay, order it on our website: OrderEssay.net

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