Airbags,,,

Airbags are a safety feature provided in most automobiles since the 1990s. The effective operation of an airbag requires that it rapidly inflate with an appropriate volume of gas when the vehicle is involved in a collision. When sensors in the vehicle detect a collision, an electrical current is passed through a carefully measured amount […]

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Breathalyzer

Every year in the United States about 25,000 people are killed and 500,000 more are injured as a result of drunk driving. The police often use a device called a breathalyzer to test drivers suspected of being drunk. The chemical basis of this device is a redox reaction. write a page describing the redox reaction […]

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Metal from the Sea

Magnesium is a valuable lightweight metal used as a structure material as well as in alloys, batteries and chemical synthesis. Magnesium forms the second most abundant cation in the sea; there are about 1.3g of magnesium in a kilogram of seawater. write a page describing the process for obtaining magnesium from seawater that employs all […]

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An Undesirable Reaction

Limestone (CaCO3) which is widespread on Earth’s surface, often enters the water supply. However, in the presence of dissolved carbon dioxide, calcium carbonate is converted to soluble calcium bicarbonate. What’s the reaction? When water containing Ca 2 and HCO3- ions is heated or boiled, the solution reaction is reversed to produce CaCO3 precipitate. Solid calcium […]

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Stomach Antacids

Our stomachs contain a solution of roughly 0.03 M HCl. The burning sensation associated with heartburn is a result of the acid in the stomach reaching the esophagus that is not protected from the corrosive effects of stomach acid. When we experience heartburn we take antacids, of which the most common antacid is calcium carbonate. […]

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writing an introduction and discussion for a lab report

Hi I would like you to write for me ((just)) the introduction and discussion part for a lab report Guidelines for intro: • Brief overview/introduction to synthesis and the reactions • Describe the reactions • Draw the equations for the formation of the acetaminophen • Brief overview of isolation/purification techniques and their uses Guidelines for […]

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Chemiluminessence methodology

1- Explain the principle of Chemiluminessence methodology 2- List the type of specimens used for each method. 3- Describe how each method rates as far as reliability (accuracy and precision).4- Discuss your findings briefly on the message board.6- Please cite any references using APA format.

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Charge Transfer Complexes

read lab manual and follow the steps to write discussion and results on my table, if making any graphs leave the excel worksheet as well, I am including my data as well the report should be based on my data . pls write it in form of journal article

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Problem Set 4

Use the structure of Molecule A, depicted below, to answer the following questions.a) Give the names, three-letter codes, and single-letter codes of the amino acids that are covalently linked to form molecule A.b) Circle the peptide bond(s) in molecule A.c) Draw squares around each of the atoms that lie in the same plane as the […]

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