![]() 4.1 shows apparatus used to study what happens when ethanol vapour is passed over a hot catalyst. Dodecane (alkane with 12 carbon atoms) can be cracked into octane (eight carbons) and ethene (C2H4). State the number of moles of ethene produced Calculate the mass of ethene produced Show your working (c) n Industry much ethene IS converted Into ethanol (alcohol) (ii) Describe briefly how ethene is converted into ethanol. The exhaust gases from a biodiesel-fuelled engine less unburnt hydrocarbonsĭ. How is cracking an example of thermal decomposition 66. For transportation, biodiesel is classes as less flamable than petroleum dieselĬ. Which one of the following statements about biodiesel compared with petroleum diesel is not based on scientific measursments?Ī. Both fuel and its combustion products are less carcinogenic than ordinary dieselī. Some of the diadvanatges of biodiesel include attacking the engine hoses that were intended for a different fuel and loosening deposits wihin the engine left from previous fuels which can cause blockages. Reading assignment: make note on the following: e-configuration, Valence electrons, Hybridization, resonance structure. The complete combustion of smoke-type emissions that petroleum diesel. Biodiesel is biodegradable and contains very little sufur. ![]() Biodiesel can be mixed with petroleum diesel in any proportions. Biodiesel can be used in engines which normally would run on petroleum diesel. This process also produces glycerine which used in soap making. Biodiesel is a fuel made by the chemical reaction of alcohol with vegetable oils such as soya bean oil. ![]()
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