to sugar and then to ethanol. · Starch is converted enzymatically to glucose either by diastase presents in sprouting grain or by fungal amylase. · The resulting dextrose is fermented to ethanol with the aid of yeast producing CO2 as co-product. A second co-product of unfermented starch‚ fiber‚ protein and ash known as distillers grain (a high protein cattle feed) is also produced. Cellulosic Materials: · Each step in the process of the conversion of cellulose to ethanol proceeded with 100%
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of the capillary tube so it doesn’t just fall out once you tip it upside down inside the Thiele tube. 12. Wrap the glass capillary tube round the bottom of a thermometer and place inside the Thiele tube using a cork‚ which is full with paraffin oil. The paraffin oil had to be filled to a specific height in the Thiele tube as when we started to boil it‚ it could overflow and ruin the experiment. The elastic band had to be firmly wrapped around the thermometer and capillary tube to make sure it didn’t
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crystallize using ethanol and water. I chose these solvents based on part C of the experiment (table 1.1). The compound is too soluble in ethanol but too insoluble in water. Benzoic acid is a polar compound in comparison with ethanol which is a less polar compound. However at low temperatures benzoic acid is insoluble in water. Compounds are soluble in solvents with the same polarity‚ like dissolves like. Table 1.1 Benzoic Acid solubility Dissolve Heat Ice H2O No No No Ethanol Yes Yes Yes Hexane
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The Identification and Production of Materials 1. Fossil fuels provide both energy and raw materials such as ethylene‚ for the production of other substances. Students Learn To: .2 Identify the industrial source of ethylene from the cracking of some of the fractions from the refining of petroleum. • Ethylene is produced either from natural gas or crude oil‚ which are mixtures of hydrocarbons. One method involves… Cracking: a process by which hydrocarbons with higher molecular
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95% ethanol as the solvent‚ to calculate the amount of sulfanilamide that was recovered‚ and to determine the purity of the final product. Introduction In this experiment‚ recrystallization will be the method used to purify the solute sulfanilamide using ethanol as the solvent. Based on the solubility curve on the solubility versus temperature graph‚ the ideal solvent will allow the solute to be soluble at higher temperatures and insoluble at lower temperatures‚ thus making ethanol an excellent
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year. There are many options America could use to end this war on oil. Some of them include the use of ethanol‚ hybrid cars‚ and nuclear power plants. We do use some of these‚ but perhaps we need to expand their use instead of looking to the Middle East to continue to supply our needs. However‚ we have not taken the time‚ nor initiative to research some of these ideas further. For instance‚ ethanol as a fuel is available in some
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order to use the fuel [4]. Ethanol Ethanol is a biofuel used to run engines that originally used petrol. There are a few modifications done to the vehicle so that it can run efficiently on Ethanol. A vehicle with these modifications is classified as an FFV or a Flexible Fuel Vehicle [5]. Brazil is one of the countries that have embraced this technology into their system becoming the second largest producer of ethanol in the world by producing sugarcane based ethanol [6]. Through these developments
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In this investigation I will be burning alcohol ’s to heat up a can of water. I will be burning four alcohol ’s‚ methanol‚ ethanol‚ propanol and butanol. The aim is to find out how much energy is produced when burning these alcohols. Alcohol ’s react with oxygen in the air to form water and carbon dioxide. The reaction that is involved in burning alcohols is exothermic because heat is given out. From this reason the reactant energy is higher than that of the product. The energy is given out when
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primary‚ secondary and tertiary. The alcohols that will be used here will only be part of the primary and secondary group. The 5 alcohols will be Methanol‚ Ethanol. Propan-2-ol‚ Butan-1-ol and Pentan-1-ol . In this experiment we are going to test how alcohol evaporates.
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today product and services are both key to the survival of mankind. Depending on the demand from consumers‚ companies will see an increase or decrease of the items they produce or the service rendered. In the article of trends in US gasoline and ethanol use and petroleum production and imports these items will be looked at; as well as a discussion of the fundamentals of microeconomics. First‚ in order to understand what the fundamentals of microeconomics are‚ there must be a clear understanding
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