Why does it matter what shape a molecule has
Why does it matter what shape a molecule has Chemistry Essay
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The world is composed of atoms which are the smallest indivisible particles of matter “made up of negatively charged electrons in orbitals around positively charged nuclei” (RBI 1988, p.53). Atoms integrate through interactions between electrons to form units termed as molecules.
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Human Toxic Chemical Hazard And Risk Assessment
Human Toxic Chemical Hazard And Risk Assessment Chemistry Essay
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According to Cornell University, department of animal science, the toxic chemical is produced by certain foods or feeds. These mycotoxins are the most studied of all toxins in the world, and known to cause diseases such as aflatoxicosis. The occurrence of this toxin is greatly influenced by the environmental factors, thus its contamination varies depending on the geographic location, agricultural practices and the susceptibility of the food substances to fungal infections during the pre-harvest, harvest and storage times.
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Electrolytes disorders, hyperkalemia, hypercalcemia, and hpyernatremia, and how they effect our body system
Electrolytes disorders, hyperkalemia, hypercalcemia, and hpyernatremia, and how they effect our body system Chemistry Research Paper
5 pages (1250 words) , Download 1 , Research Paper
Composition of intracellular fluid remains relatively stable as compared to the extracellular fluid. This is due to the fact that ECF has to interface with the changes in the external environment therefore modifications in its constituents are inevitable.
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Acid base and redox titration of vitamin C
Acid base and redox titration of vitamin C Chemistry Lab Report
7 pages (1750 words) , Lab Report
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Using both redox reaction between vitamin C extract and iodine solution, and vitamin C extract and sodium hydroxide solution, the experiment will carry out titration reactions and apply stoichiometry concepts to determine the percentage of vitamin C in a tablet.
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Ecosystem Toxic Chemical Threat
Ecosystem Toxic Chemical Threat Chemistry Essay
5 pages (1250 words) , Essay
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By definition, heavy metals have a density of 5.0/gcm3 or more which is much heavier than the density of an average soil particle. They occur naturally in rocks but their concentrations are regularly augmented due to contamination and pollution. The most common heavy metals with respect to possible hazards are mercury, lead and cadmium and chromium.
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Ecosystem Toxic Chemical Threat
Ecosystem Toxic Chemical Threat Chemistry Essay
5 pages (1250 words) , Essay
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According to World Meteorological Organization, there was almost a 30% increase in the Earth’s atmosphere in a span of two decades. It is important to discuss this greenhouse gases and its environmental effects as most anthropomorphic activities produce these gases.
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Electroanalytical Technique (Voltammetric techniques) critical review
Electroanalytical Technique (Voltammetric techniques) critical review Chemistry Literature review
8 pages (2000 words) , Literature review
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Electrochemistry entails association of electrical properties and chemical substances in a reaction. Electrical properties commonly measured include conductance, resistance, current and voltage.
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Analysis of Galanin Using Mass Spectrometry
Analysis of Galanin Using Mass Spectrometry Chemistry Essay
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Analysis of Galanin Using Mass Spectrometry Introduction Galanin is known to play an important role in the regulation of food intake. Poritsanos et al. (2009) report that it affects the central nervous system. They carried out studies on the relationship between obesity and the levels of galanin in the serum.
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Nalytical Analysis of Anti-Depressants in Human Plasma Using Liquid-Liquid Chromatography
Nalytical Analysis of Anti-Depressants in Human Plasma Using Liquid-Liquid Chromatography Chemistry Research Paper
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Antidepressants are usually categorized on the basis of their chemical structure and an example of drugs in this group is the tricyclic antidepressants. Anti-depressants can also be categorized on the basis of their function and an example of drugs in this group is the monoamine oxidase inhibitors.
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Analytical Critique of the Novel Ionization Device for Controlling the Charge States of Peptides
Analytical Critique of the Novel Ionization Device for Controlling the Charge States of Peptides Chemistry Term Paper
5 pages (1250 words) , Term Paper
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In proteomic studies, especially in clinical application, sensitivity and accuracy is of importance. Proteins are complex large molecules that are non-volatile and their activity is based mostly on their structure rather their primary structure. The ES-MS provides the perfect analytical tool for studying these molecules since it explores both structure (qualitative) and concentration/molecular weight (quantitative) of the peptide of interest.
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HPLC analysis of caffeine and benzoic acid in diet coke
HPLC analysis of caffeine and benzoic acid in diet coke Chemistry Lab Report
7 pages (1750 words) , Lab Report
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If the manufacturers do not comply with the additive legislation, then action should be taken against them to protect the consumers because it is their right. Additionally, people should be educated on the effects of high intake of beverages that contain caffeine and benzoic acid.
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Chemistry and the Environment
Chemistry and the Environment Chemistry Essay
4 pages (1000 words) , Essay
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(1) Describe the general properties of the atmosphere known as troposphere, stratosphere and the ionosphere. Describe the composition of unpolluted air at sea level. The unpolluted air or atmosphere at sea level is chiefly made of gases kept in place by the effect of Earth’s gravity at an average temperature of about 14 C.
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Elements, Mixtures and Compounds
Elements, Mixtures and Compounds Chemistry Essay
4 pages (1000 words) , Essay
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On the other hand, a compound is made of two or more elements held together by chemical bonds (Leong & Aik, 2009). The differences between mixtures and compounds are discussed below: A mixture lacks fixed composition while a compound has a fixed composition.
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How Quantum Technology Will Improve Our Future
How Quantum Technology Will Improve Our Future Chemistry Essay
5 pages (1250 words) , Download 1 , Essay
Just like the invention of light bulb and Hubble telescope, the concept of Quantum first came into light in the mid- 1800s. During this time, the word quantum carried no meaning other than its literal meaning of “to quantify”. Nonetheless, as field of chemistry and physics expanded, the idea of quantum began to occur in our daily lives.
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Effect of Concentration on an Enzyme
Effect of Concentration on an Enzyme Chemistry Essay
4 pages (1000 words) , Essay
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According to Wilhelm Kuhn (Kuhne, 1997) enzymes are biological molecules which increases or reduces the rate of a biochemical reaction. A catalase is an enzyme that grows in the presence of oxygen. Hydrogen peroxide is highly toxic and therefore its need to be eliminated.
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Letter of Recommendation: Asbestos Problem
Letter of Recommendation: Asbestos Problem Chemistry Essay
4 pages (1000 words) , Essay
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Also, included in this letter are advices, and controls that you may undertake to solve your asbestos problem. Asbestos and Its Common Uses First, I would like to discuss to you the general information on asbestos. According to the Agency for Toxic Substance and Disease Registry [ATSDR] (2001), asbestos is a common term that often refers to anthophyllite, tremolite, actinolite, amosite, crocidolite, and chrysotile.
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Make a plane of the investigation and a report for the investigation There should be two sections in this assignment. In this in
Make a plane of the investigation and a report for the investigation There should be two sections in this assignment. In this in Chemistry Assignment
3 pages (750 words) , Assignment
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These are the fuel that is often made of wax and the wick that is always made of absorbent twine. Paraffin wax is a bi-product of hydrocarbons and, therefore, candles are made of hydrocarbons. Candles do not burn up unless in the presence of the oxygen gas (Oldham, 2005).
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