Copper-Iron Stoichiometry Lab Report 10/3/12 Abstract: The lab performed required the use of quantitative and analytical analysis along with limiting reagent analysis. The reaction of Copper (II) Sulfate‚ CuSO4‚ mass of 7.0015g with 2.0095g Fe or iron powder produced a solid precipitate of copper while the solution remained the blue color. Through this the appropriate reaction had to be determined out of the two possibilities. Through the use of a vacuum filtration system the mass of Cu was
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The Effect of pH Level of a Liquid on the Rate of Corrosion of Copper wire In this experiment‚ I will be testing the corrosion rate of copper wire after leaving them in different liquids with different pH levels. By doing so I will be able to determine which pH level corrodes copper the fastest. I will conduct this experiment by pouring 250mL of different liquids with different pH levels in cups‚ followed by an iron strip placed into the cup. A stopwatch will be timing how long it takes the iron
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Cavite In Partial Fulfillment of the Requirements In Science and Technology III Science Investigatory Project (SIP) “Rock Powder Candy “ Authors John Kenneth Geran Jomarie Magdaraog Queency Gonzales Carla Marie Llabres Mary Angelika Nachor Sheena Niegas Liza Rosete Jezica Villanueva Razel Anne Voloso Mrs. Maricel Mayorga Danumen Rock Powder Candy Abstract The hypothesis of this experiment is that if I add different amounts of sugar to the same amount of boiling
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believed that the native peoples did not dare to approach the villagers because they feared the guns and dogs. Chapter Three: What gift did Jamie receive when the supply ship docked? When the supply ship docked‚ the gift Jamie received was a copper flute which he immediately began playing. Explain how the seal hunt illustrates Jamie’s feelings towards wildlife. The seal hunt illustrates Jamie’s feelings towards wildlife because when he saw the seal die‚ he was enraged immediately and spontaneously
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Copper Sun By Sharon M. Draper Ch. 1 (V) Betrothed: engaged to‚ be married Amari and Besa had been formally betrothed to each other last year. Kente: A colorful fabric of Ghanaian origin Their fingers flew as they chatted together‚ the pale fibers stretching and uncurling into threads for what would become kenet cloth. Ch. 1 (Q) “Be content with woman’s work child. It is enough.” I think this is a memorable quote in which got me thinking of how different women’s and men’s jobs where and
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com’s reputation. The examples of damage to Baidu.com’s reputation are: * The rumors made the company’s information appear unreliable. * Baidu.com’s users may start to boycott from using this search engine.They are hoping that Baidu.com may change their behavior after the protest. * Due to the boycott activity‚ the number of daily visitors may reduce drastically. * Due to the number of visitors decreased‚ those existing advertisers may withdraw their advertisement and switching to
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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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Elemental Copper from Copper (II) Nitrate Objectives: Students should be able to… recognize evidence(s) of a chemical change convert word equations into formula equations perform a series of chemical reactions in order to recycle the element copper determine the percent recovery of elemental copper Challenge: How good and accurate a chemist are you? Given a solution of Cu(NO3)2‚ what percentage of elemental copper can you recover from the original solution? Materials: 1 M copper (II)
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Copper was the first metal that is used by humans as weapons and tools. It is shinny and has a reddish brown color. It’s application toward humans has really changed the way we live. Copper is an excellent conductor of electricity‚ which is often used as electrical wires or cables in generators‚ motors and electric products. In addition‚ it is also an outstanding conductor of heat‚ which is used in radiators and heating systems. Since it does not react with water and corrode easily‚ it is widely
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Third great Chinese invention is gunpowder. Everything from Guy Fawke’s night fireworks to modern artillery shells owes their origin to this. Ancient necromancers searching for the elixir of everlasting life on behalf of the Emperor discovered that mixtures of certain fuels and ores could‚ if mixed in the right proportions and heated‚ produce an explosion. This led in time to the discovery of gunpowder. In 1044 Zeng Gongliang wrote “The Collection of the Most Important Military Techniques”‚ and in
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