Ap Chem. Period 7 9/14/2014 Analysis of Silver in an Alloy Purpose- To determine silver content of an alloy and to calculate the percent silver in the alloy. Materials Chemicals •Silver-Copper Alloy •Nitric Acid (NHO3) •Baking Soda (NaHCO3)(s) •Sodium Chloride (NaCl)(s) Equipment •Beakers‚ 100 and 250 mL •Filter Flask and Walter’s adapter •Stirring Rod •Wash Bottle •Watch Glass •Crucible Tongs •Ring Stand‚ Ring‚ Wire gauze •Bunsen Burner •Graduated Cylinder •Rubber or Plastic
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Silver is a very ductile and malleable metal used for thousands of years utensils‚ for trade‚ and as the basis for many monetary systems. Its value as a precious metal was long considered second only to gold. In Ancient Egypt and Medieval Europe‚ it was often more valuable than gold. Silver is currently about 1/50th the price of gold by mass‚ and 70 times more valuable than copper. Silver did once trade at 1/6th to 1/12th the price of gold‚ however‚ the discovery of great silver deposits in the
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The discovery of silver in Colonial America sparked a spanish global flow of silver as well as from the mines of Tokugawa‚ Japan. Although Spain was the primary distributer of silver‚ this global flow limited economic growth by creating an influx on silver. Peasants and people from lower classes were highly affected due to the fact that silver was required in an everyday basis but wasn’t provided for them. The Spanish‚ and the japanese served as providers of silver to the chinese economy. Throughout
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Analysis of Silver in an Alloy Introduction In this experiment an alloy of silver will be analyzed to determine its silver content. The silver-copper alloy will be dissolved in nitric acid‚ the silver will be precipitated as silver chloride‚ and the silver chloride will be filtered‚ washed‚ dried and its mass determined. From the mass of the silver chloride formed and the mass of the original sample‚ you will be able to calculate the percent of silver in the alloy. Because the results are
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world 1/22/12 DBQ on Flow of silver in mid-16th to 18th century The increasing flow of silver during the mid-16th to early 18th century had a very large impact on the economic and social parts of many countries through effect on land‚ trade‚ and value of silver. The huge influx of silver brought many economic problems in both Spain and China. Antonio Vásquez de Espinosa‚ a Spanish priest appears indignant at the huge amount of silver being taken and stolen from the mines in the
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Tokugawa Japan and Spanish colonial America led the world in silver production from 1500 to 1750. The primary flow of silver was from Japan to China and from the Americas to Europe. The documents explain the negative‚ bias and positive economic effects of the global flow of silver from the mid-sixteenth century to the early eighteenth century. Documents 2‚ 5 and 3 all deal with the negative effects of the silver flow. Antonio Vazquez de Espinosa‚ a Spanish priest‚ states that more than 3‚000
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Silver DBQ Essay The global flow of silver from the mid-sixteenth century to the early eighteenth century had vast effects both socially and economically around the world. By this time an interregional trade network had been clearly established and world trade was booming. When China‚ a prominent trade nation‚ accepted silver as its currency and would only exchange for it‚ the importance of silver increased. This new rapid scramble for silver proved to be both beneficial and disastrous. While
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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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Topic: Silver is an ancient mineral that dates back since prehistoric times. One thing that makes silver so special is that it was one of the first five metals that we started to use. Silver is found in almost every electronic device there is‚ and as time progresses the usage of it increases‚ unfortunately the amount there is left decreases. How is it created or source of the mineral? (5) Silver is not originated from Earth‚ as it happens it came from space. Many elements were formed in the big
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Colloidal silver has become increasingly popular for several good reasons. It is very affordable‚ especially if you make your own with a generator. It can treat hundreds of illnesses. And this liquid is also very safe. Read on to find out more about colloidal silver and all its benefits. What is Colloidal Silver? Colloidal silver is a suspension of distilled water that contains nanoparticles of silver. It can be made to be different strengths‚ so it can be tailored to the severity of the illness
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