References: Bahl H and Du¨rre P (1993) Clostridia. In: Rehm HJ and Reed G (eds) Biotechnology‚ pp Bo¨ck A and Sawers G (1996) Fermentation. In: Neidhardt FC et al. (eds) Escherichia coli and Salmonella‚ pp Dimroth P (1997) Primary sodium ion translocating enzymes. Biochimica Biophysica Acta 1318: 11–51. Gottschalk G and Peinemann S (1992) The anaerobic way of life. In: Balows A et al Heider J and Fuchs G (1997) Anaerobic metabolism of aromatic compounds Kandler O (1983) Carbohydrate metabolism
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the non-metal that is responsible for the colour produced in the flame test for that salt. How can you be sure your answer is correct? Metal is responsible for the colour produced in the flame test for that salt. All salts contain chloride ion. If non-metal ion‚ chloride‚ is responsible for the colour‚ all colour produced will be the same. 3. Why do the chemicals have to be heated in the flame before the coloured light is emitted? For the coloured light to be emitted‚ the electrons have to get
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Ideal gases: No volume‚ no intermolecular forces Atoms/Molecules that are gases at room temperature Noble Gases. H2‚ N2‚ O2‚ F2‚ Cl2. Methane‚ ethane‚ propane‚ butane Gas: Fills the container. Forces of intermolecular attraction are weak. Vapor: Gas state of a substance that is usually a liquid or solid Ek = (Kinetic energy of a gas molecule) Mu2/2. U2 = 3 (R Gas Constant) (Temperature in Kelvin) / molar mass in kg Speed goes Up with temp and down with mass Pressure: Collisions with the side of a
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DOWNLOADED FROM WWW.STUDIESTODAY.COM DOWNLOADED FROM WWW.STUDIESTODAY.COM d – AND f – BLOCK ELEMENTS Electronic Configuration of Transition Metal/Ions The d-block element is called transition metal if it has partly filled d-orbitals in the ground state as well as in its oxidised state. The general electronic configuration of transition metal is (n–1) d1–10ns1–2. Exceptions in electronic configuration are due to (a) very little engery difference between (n–1) d and ns orbitals and (b) extra stability
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The Royal and Pontifical University of Santo Tomas The Catholic University of the Philippines College of Education‚ Department of Food Technology Experiment #3 Food Toxicants FT 104 B Food Chemistry II Group 2 Submitted by: Collado‚ Dan Mark R. Eustaquio‚ Shekinah A. Isuga‚ Aedrian Lorenzo E. Luna‚ Maria Nikkita H. Santos‚ Kim Joshua C. Sombrano‚ Mary Chenneth S. Torres‚ Vincent Joseph P. Villaceran‚ Danielle P. Submitted to: Asst. Prof. Eufemio Barcelon Ph.D Submitted
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cake also had higher values in the ash‚ crude fibre‚ protein and carbohydrate contents. The undefatted moringa seed flour had higher fat content of 45.84 %. Moringa cake flour had higher values in all the mineral contents determined. The phytate‚ oxalate and tannin contents of the defatted moringa seed flour were higher than the undefatted flour. Acid‚ peroxide and saponification values were 7.09 mg/g‚ 5.96 Meq/kg and 80.31 mg/g respectively. The lower iodine value signifies low degree of unsaturation
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models a. Lewis structures TYPES OF CHEMICAL BONDING Ionic Bonding - two atoms of opposite charge electrically attracted to one another Covalent Bonding - two atoms each sharing electrons within a molecular orbital Metallic Bonding - positive metal ions held together in a lattice with a “sea of electrons” An actual chemical bond is a blend of all three types of bonding. Most often‚ one type is dominant over others. We will concentrate on ionic and covalent bonding. LEWIS STRUCTURES Only valence electrons
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acid is a reducing agent and its conjugate base‚ known as oxalate (C2O42−)‚ is a chelating agent for metal cations. Typically‚ oxalic acid occurs as the dihydrate with the formula H2C2O4·2H2O. Oral consumption of oxalic acid or prolonged skin contact is dangerous. Malic acid is an organic compound with the formula HO2CCH2CHOHCO2H. It is a dicarboxylic acid that is made by all living organisms‚ contributes to the pleasantly sour taste of fruits‚ and is used as a food additive. Malic acid has two stereoisomeric
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needs. Hard water is caused by metal ions (salts) being dissolved in the ground water. We measure hardness in water in terms of CaCO3 as the Ca2+ ion is greater than the concentration of any other metal. Hard water does cause soap scum‚ clog pipes and clog boilers. Soap scum is formed when the calcium ion binds with the soap. This causes an insoluble compound that precipitates to form the scum you see. Soap actually softens hard water by removing the Ca2+ ions from the water. When hard water is heated
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diagnosed and what complications might arise if Mr Jagger remains untreated? Renal calculi‚ also known as kidney stones‚ occur when glomerular filtrate passes through the nephron‚ where urine is concentrated with stone-forming salts (Bagga et Al.‚ 2013). Ions in the urine are capable of forming solid salts that can grow into stones (Bagga et Al.‚ 2013). Through the process of crystallization‚ a small nidus grows into a large stone when urine is supersaturated (Craft and
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