Oxygen in Liquids (DISSOLVED OXYGEN) Dissolved Oxygen – the amount of dissolved oxygen in a body of water as an indication of the degree of the health of water and its ability to support a balanced aquatic ecosystem. Oxygen – is a clear‚ colorless‚ odorless‚ and tasteless gas that dissolves in water. Small but important amounts of it are dissolved in water. OXYGEN: Aquatic Life Depends on it Plants and Animals depend on dissolved oxygen for survival. Lack of dissolved oxygen can cause aquatic
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Molecular gastronomy is a subdiscipline of food science that seeks to investigate‚ explain and make practical use of the physical and chemical transformations of ingredients that occur while cooking‚ as well as the social‚ artistic and technical components of culinary and gastronomic phenomena in general.[4] Molecular gastronomy is a modern style of cooking‚ which is practiced by both scientists and food professionals in many professional kitchens and labs and takes advantage of many technical innovations
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report on is oxygen. The name oxygen comes from the Greek word “oxygens‚” which means “acid producer”. Dictionary.com defines oxygen as “a colorless‚ odorless‚ gaseous element constituting about one-fifth of the volume of the atmosphere and present in a combined state in nature.” Oxygen has many uses today. First‚ oxygen is used by people‚ plants‚ and animals in the respiration process. Tanks of oxygen are used in the healthcare field to treat those who suffer from breathing problems. Oxygen is used as
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HYDROGEN BONDING: Hydrogen bonding is a bonding type consisting of dipole and dispersion forces. A hydrogen bond is the attractive force between a hydrogen atom attached to a molecule and an atom of a different molecule. According to the Pauling scale of electro-negativities of the elements‚ it can be viewed that the three most electronegative elements in the periodical table are nitrogen‚ oxygen and fluorine. These are also called heteroatoms. The heteroatoms have a partial negative charge while
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Oxygen cycle From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search The oxygen cycle. The Oxygen cycle is the biogeochemical cycle that describes the movement of oxygen within its three main reservoirs: the atmosphere (air)‚ the total content of biological matter within the biosphere (the global sum of all ecosystems)‚ and the lithosphere (Earth ’s crust). Failures in the oxygen cycle within the hydrosphere (the combined mass of water found on‚ under‚ and over the surface of a planet)
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point is 74 - 77° C. It is a stable white crystalline powder‚ slightly soluble in water and very soluble in ethanol. Its formula is also written (CH3)2CHCH2C6H4CH(CH3)COOH‚ which lays out the chemical structure of ibuprofen. Ibuprofen is a chiral molecule‚ meaning that two mirror-image forms (called enantiomers) are possible. In the diagram‚ the wavy line represents a molecular bond that is bent "upward" for so-called (R)-ibuprofen and "downward" for (S)-ibuprofen
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this unknown sample. First‚ the plate was analyzed for its hemolysis characteristics. Afterwards‚ a Gram stain was performed from a sample of the agar plate and the slide was viewed under the microscope. Once‚ the microscopic visual was captured‚ a catalase test followed. Next‚ for further data‚ MSA results were recorded‚ along with antibiotic observations of demo plates. Lastly‚ with the information gathered‚ it was identified that the unknown sample was Streptococcus salivarius. Introduction:
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formula of the rodenticide warfarin (a carbon-hydrogen-oxygen compound)‚ which consists of 74.01% C and 20.76% O by mass. 8) Selenium forms two oxides. One has 28.8% O by mass and the other has 37.8% O. What are the formulas of these two oxides? 9) Adenine is a carbon-hydrogen-nitrogen compound with 44.45% C and 3.73% H by mass. It’s molecular mass is 135.14 u. What is its molecular formula? 10) Combustion of a 0.312 g sample of a carbon-hydrogen-nitrogen
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again‚ is catalase‚ the substrate is hydrogen peroxide‚ and the products are the oxygen bubbles that are produced. Also‚ in this lab the time it takes for each disc to rise to the surface of the hydrogen peroxide solution determines which pH the reaction occurs the fastest at. So‚ the lowest average number of seconds for the disc to return to the surface of the solution at the different pH levels will conclude the fastest reaction. The optimal pH for catalase is most likely seven since catalase can be
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A REPORT ON Study tour & project Subject: Molecular Farming Presented by Mr. Pethkar sachin tanajirao Department of Plant biotechnology At College Of AgriculturalBiotechnology‚Latur. Affiliated to Marathwada AGRICULTURAL UNIVERSITY‚PARBHANI Academic year 2010-2011 PREFACE It gives me great pleasure to write a project report of our study tour‚ which was an unforgettable event in my degree course. Study tour gaves me such memorable moments which I can’t forget through
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