Copper in Silver Nitrate Lab: Making Silver Sabrina Kate S. Carranza – Chemistry Hour 6 I. Purpose: The purpose of this experiment is to distinguish the relationships between reactants and products‚ in addition to expanding on concepts such as single displacement reactions‚ mole ratio values‚ moles to mass‚ theoretical yields‚ limiting reactants‚ excess‚ stoichiometric relationships and percentage errors. II. Hypothesis: /3 -If the copper metal is submerged in the silver nitrate solution
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The goal for our lab activity was to make a silver mirror by reducing silver ions with dextrose. The materials that we used were acetone‚ 5 mL of 1.5 M ammonium nitrate solution (NH4NO3)‚ 5 mL of 0.5 silver nitrate solution (AgNO3)‚ 10 mL of 5% dextrose solution (C6H12O6)‚ 10mL of 10% sodium hydroxide solution (NaOH)‚ a 50 mL beaker‚ a 250 mL Florence flask with a rubber stopper‚ a 10 mL graduated cylinder‚ a waste beaker‚ and distilled water. The first thing we did was rinsed the beaker‚ cylinder
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oes it mean a life is being lived just because someone is actually alive? Amy Bloom‚ author of the story “Silver Water”‚ tells the story of a young woman who has gone “insane” named Rose and is told the from the point of view of her sister Violet. Bloom shows through Rose’s experiences that just because someone is alive does not always mean that person is actually living. Rose is not actually living life for the majority of the story and one scene shows this when her father speaks with her sister
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The No Silver Bullet: Essence and Accidents Software Engineering (1) is the author of a Ph.D. by Brooks on software engineering‚ its problems (essential and accidental)‚ and solutions to the problems. Brooks mentioned the causes of the software problems and the solutions’ attributes as silver bullets. Although there were many ideal solutions at the time the paper was published‚ he still felt that there would not have a perfect solution to be used in both side’s technology and management for passing
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1- Synthesis of silver nanoparticles by Bacillus sp.: The microorganisms in the most contaminated toilet Sink were isolated by dilution technique. The dominant bacterial strains are identified as Bacillus sp.‚ on the basis of morphological and biochemical characteristics. Gram’s staining: Gram positive and rod shape. They were serially diluted and spread on nutrient agar plates. The starch has been hydrolyzed and a clear zone by the addition of iodine solution. Visual identification: When bacterial
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Diapers have always been a part of daily use. Even in ancient times‚ of course they weren’t as modern as now days. Diapers have been gradually evolving over time. There is not a definite place were diapers were first used‚ because everywhere mothers covered their children with whatever they had in hand. Documents show that babies from ancient times might have worn milkweed leaf wraps‚ animal skins‚ and other natural resources as types of diapers. Native American mothers and Inca mothers in South
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Sarah Carpenter Professor Herzog Final Paper Silver Linings Playbook Silver Linings Playbook The narrative of Silver Linings Playbook is formed in the heart of Philadelphia around a middle class family at it’s breaking point. Pat’s‚ the protagonist‚ family has very much shaped his current situation; he has clinical bipolar disorder and struggles with stress-induced manic outbursts. After Pat’s release from a mandated rehabilitation center‚ he handles the next recuperating stage of his life in
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Speech is silver and silence is Gold Since ancient time‚ silence is worshipped as an important component of spiritual discipline. Initially‚ the practice of this virtue may commence with some three hours of silence at noon time‚ say on Sunday or any other suitable day. This practice may be enhanced by routines‚ the vow daily from 8.00 p.m. to 8.00 a.m. the next day. During these hours‚ the exceptions could be made for prayers‚ uttering a hymn of praise for adoration of God. The vow
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One of the aspects that makes my Silver Leadership Challenge unique is that I had two coaches. I started off my first coach April Marshall. We had three coaching sessions before I switched to my second coach‚ Ericka Gonzalez. Both coaches have proved invaluable to helping me discover my potential and guiding me during my leadership journey. One of the hardest experiences of my journey was switching coaches. Although I was making progress with April‚ I found April and I’s styles did not work well
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The Silver Lake Sand Dunes are a natural phenomenon that attracts more than a million visitors to western Michigan each year. Sand‚ sun and fun await you at the Silver Lake Sand Dunes nestled between the shores of Lake Michigan and Silver Lake in Oceana County. Tourism in this area dates back to the early 1920’s. At that time people usually travelled by train to the station located in Mears‚ Michigan. From there visitors and their trunks would be brought to the lake by horse and buggy. The area
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