Nubia Clermont Chemistry Feb 27th‚ 2015 1. Detailed explanation of how smoke detectors and carbon monoxide detectors work. How do smoke detectors work? *Smoke alarms detect the smoke that comes from a fire; once it detects the smoke the smoke will trigger an alarm sound to ring off. The Ionization smoke detector detects smoke by sensing smoke particles. When these smoke particles pass through a chamber‚ it will absorb the alpha particles present from the alpha source. The smoke absorbing the alpha
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Description There are existing products that help users to moderate their smoking habits aid them in the process of quitting. However‚ users are required to manually enter the information whereas for SmokeOut‚ a device integrated with a carbon monoxide detector attached to the user’s smartphone to monitor one’s smoking habits by blowing into the detector. Furthermore‚ such information is usually confidential thus the lack of family support may make it hard for the user to quit smoking. Smokeout
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process makes use of the fact that carbon monoxide complexes with nickel readily and reversibly to give nickel carbonyl. No other element forms a carbonyl compound under the mild conditions used in the process. In the first step of the process‚ nickel oxide is reacted with water gas‚ a mixture of H2 and CO‚ at atmospheric pressure and a temperature of 50 °C. The oxide is thus reduced to impure nickel. Reaction of this impure material with residual carbon monoxide gives the toxic and volatile compound
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carbon monoxide is 35ppm. Define the terms TLV and ppm and calculate them for the following example: Answer: TVL = Term for airborne concentration of a substance‚ below which all workers are believed to be protected while exposed to it day after day for 8-hour periods. PPM = Concentration by volume of one part of a gas‚ or by weight of a liquid or solid‚ per million parts of air or liquid. A mechanic in an automotive repair shop is exposed to the following carbon monoxide levels over
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are unable to attend a live collaboration session‚ this activity will allow you to get credit for the Segment 1 Collaboration Project. Fill out the RED sections of this activity sheet. 1. Detalied explanation of how smoke detectors and carbon monoxide detectors work. How do smoke detectors work? * The battery applies a voltage to the plates‚ charging one plate positive and the other plate negative. Alpha particles constantly released by the americium knock electrons off of the atoms in the air
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Case Study 2: Burns Situation: You are working the day shift on the medical-surgical unit in a small district hospital. Your assignment includes an 18-year-old female college student‚ admitted the previous night. She was caught in a house fire and sustained burns over 30% of her body surface area‚ with partial-thickness burns on her legs and back. 1. The client is undergoing burn fluid resuscitation using the standard Baxter (Parkland) formula. She was burned at 0200 and admitted at 0400
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comprised of six main ingredients. Nitrogen gas‚ carbon dioxide‚ and water vapor are three of the main emissions. These gases do not cause damage to the atmosphere like the other gases do. Carbon Monoxide‚ other hydrocarbons‚ and Nitrogen Oxides result in a majority of the pollution caused by cars. Carbon Monoxide is a colorless and odorless gas that can kill you if too much is inhaled. Hydrocarbons come out of an engine ’s exhaust from unburned fuel. These hydrocarbons can be broken down by the sun‚ creating
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Coordination complexes in biochemistry Approximately one-third of the chemical elements are present in living organisms. Many of these are metallic ions whose function within the cell depends on the formation of d-orbital coordination complexes with small molecules such as porphyrins (see below). These complexes are themselves bound within proteins (metalloproteins) which provide a local environment that is essential for their function‚ which is either to transport or store diatomic molecule (oxygen
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synthesis and occurs naturally‚ most notably in ant venom. Wikipedia Formula: CH2O2 Boiling point: 213.4°F (100.8°C) Density: 1.22 g/cm³ IUPAC ID: Formic acid Molar mass: 46.02538 g/mol Melting point: 47.12°F (8.4°C) When methanol and carbon monoxide are combined in the presence of a strong base‚ the acid derivative methyl formate results‚ according to the chemical equation:[4] CH3OH + CO → HCO2CH3 In industry‚ this reaction is performed in the liquid phase at elevated pressure. Typical reaction
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Title: How to make a home safe Overall‚ our homes present accident-prone environments and there are sober facts and statistics to prove this argument right. Misfortunes at home happen with all of us‚ especially children and aged people. Therefore‚ the situation necessities close consideration of home safety process. One of the most important concerns is fire safety‚ since fires mostly start suddenly and unexpectedly able to damage home and our belongings therein in counted seconds. Most importantly
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