BIO ETHANOL FUEL OUT OF FERMENTED BANANA (Musa balbasiana) PEELINGS Authors/ Researchers: Asprec‚ ‚ Centeno‚ Cruz‚ Jumadiao‚ Sanchez‚ Silaya‚ The Problem and Its Background Background of the study Bio-ethanol fuel has been used through these times and produced in many places specifically in Brazil and United States which contributes to the 87.1% bio-ethanol production in the world. Besides from being eco-friendly‚ inexpensive and less toxic‚ it is more preferred as a fuel for the materials
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MACROMOLECULES OF LIFE DEFINITIONS INORGANIC CHEMISTRY A branch of chemistry which studies the structures‚ synthesis and reactions of compounds other than HYPERLINK http//searchbox.hyperdictionary.com/dictionary/hydrocarbons t _blank hydrocarbons and their derivatives ORGANIC CHEMISTRY A branch of chemistry that deals specifically with the structures‚ synthesis and reactions of carbon-containing compounds. CHEMICAL BONDS When two or more atoms are bonded together to form new and more complex aggregates
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kinases. The activity of CDKs rises and falls as the cell progresses through the cycle. Oscillation leads to cyclical changes in the phosphorylation of proteins that regulate major events in the cell cycle. DNA replication‚ mitosis‚ chromosome condensation etc. Key molecules (2): Cyclins Cyclines are CDK regulators. Unless tightly bound to a cyclin CDKs have no protein kinase activity. Cycles of synthesis and degradation hence the name. CDK levels remain constant. Cyclical changes in cyclin levels
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The problem that was required to be investigated in this laboratory experiment was to determine which type of cleaning product would be able to prevent the most bacterial growth when placed in a neutral environment. In order to answer this problem‚ 8 different disinfectants were tested‚ including sterile water‚ and their after two days their zones of inhibition were measured and recorded. A hypothesis that was formulated before experimenting was‚ “If the type of disinfectant is Mouthwash‚ then it
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in 1763 of repairing a model Newcomen engine for the University of Glasgow‚ and noted how inefficient it was. In 1765 Watt conceived the idea of a separate condensation chamber. Watt’s idea was to equip the engine with a second‚ small cylinder‚ connected to the main one. In Watt’s design‚ the cold water was injected only into the condensation chamber. Watt’s engine soon became the dominant design for all modern steam. A unit of power called the Watt was named after James Watt. In contrast
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Many of us have been to water parks/ theme parks and probably never thought about how much water is being used. I especially have been intrigued with the fact that San Antonio has a Seaworld‚ because the other cities that have one are San Diego and Orlando. San Diego and Orlando both are by many beaches and land of water compared to San Antonio. So to me I felt that San Antonio having a Seaworld would have a major impact on our city water supply. How much water does Seaworld consume and or
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Objectives: 1. Distinguish between system and surroundings. 2. Distinguish between heat energy and temperature. Name the SI units of temperature and thermal energy. 3. Calculate the heat content (thermal energy) of a substance using its specific heat‚ temperature and mass. 4. Solve calorimetry problems. 5. Name the energy associated with a change of state and calculate the energy required to change a given mass of substance from solid to liquid or liquid to gas. 6. Describe the changes in the microscopic
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change is the alteration of weather and climate attributes orvariables and it is a result of an interplay of factors Climate ranging from natural phenomenon to human factors [Zhakata and Makarau 1995] .Major components of the climate system include ‚temperature ‚ precipitation‚humidity‚ pressure and others . According to Waugh [2000] climate refers to the longterm atmospheric behaviour while weather refers to the state of the atmosphere at a local level and on a short term
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Technology Madras Refrigeration Cycles Prof. U.S.P. Shet ‚ Prof. T. Sundararajan and Prof. J.M . Mallikarjuna a) Compressor requires work‚ δw. The work is supplied to the system from the surroundings. b) During condensation‚ heat δQ1 the equivalent of latent heat of condensation etc‚ is lost from the refrigerator. c) During evaporation‚ heat δQ2 equivalent to latent heat of vaporization is absorbed by the refrigerant. d) There is no exchange of heat during throttling process through the expansion
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esterification reaction. Fischer esterification is an acid-catalyzed condensation of an alcohol and a carboxylic acid‚ yielding an ester and water. Isopentyl Acetate has the scent of banana oil‚ once synthesized it will be purified by distillation. Then the analysis of the sample using H NMR and IR will determine purity of the product. Reaction Scheme: Mechanism: Fischer esterification is the acid catalyzed condensation of an alcohol and a carboxylic acid‚ where it is protonated at the carbonyl
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