Copper chloride dehydrate refluxed in acetonitrile can chemoselectively hydrolyze semicarbazones to carbonyl compounds copper chloride dehydrate may be used as a catalyst for efficiently cleaving t -butyldimethylsilyl (tbdms. In this lab we reached our purpose of finding the empirical formula of copper chloride, but we did not reach our hypothesis because the empirical formula that we found was cu4cl5 and the formula for copper chloride is supposed to be cucl2 , there must have been errors in our process. Copper aluminum lab monday february 8th aluminum reacts with copper(ii) chloride, cucl2, to form copper metal and aluminum chloride, alcl3 you will carry out this reaction in the following lab copper and aluminum lab procedure: 1 obtain a plastic cup 2 add 50 ml of water 3 add 20 g of copper chloride.
Lab report on copper cycle the colors of complexes were identical the copper chloride complex was yellow greenish in color and copper ammonia complex was blue green in color then we add concentrated h2so4 and zn dust to obtain shiny brown color copper metal this lab could be improved by using different technique of separating the. Copper transformations ----- learning goals in this laboratory exercise you will start with solid copper and chemically transform it soluble copper ions and then back to solid copper again green (indicating a mixture of different copper/chloride species) and eventually to blue reactions of copper 6 (indicating cu2+ions) when the. Cp chemistry - sample lab report i experiment #3: observing a chemical reaction ii obtain and describe a sample of copper (ii) chloride, cucl 2 2 fill a 100-ml beaker a quarter of the way with water in this lab, copper (ii) chloride, cucl 2 was added to water to make a solution and aluminum foil was then added to it cucl.
Data table (copy this onto your lab paper and record your observations): system observation dry copper(ii) chloride dihydrate aluminum foil copper(ii) chloride in water stirred copper(ii) chloride in water. The effect of cadmium chloride , zinc chloride and cupric chloride on amino acid concentrations was investigated in mouse liver /tissue/ male icr mice received single intraperitoneal injections of 112 mg/kg cadmium , 12 mg/kg zinc , or 3 mg/kg copper. Copper is an essential mineral that the body incorporates into enzymesthese enzymes play a role in the regulation of iron metabolism, formation of connective tissue, energy production at the cellular level, the production of melanin (the pigment that produces skin color), and the function of the nervous systemthis test measures the amount of copper in the blood, urine, or liver (hepatic. Boston college experiment 3 ch109012013f general chemistry wolfman determining the empirical formula of copper chloride report 1) a) in the first experiment, the limiting reagent was the copper chloride, this is because at the end of the experiment the blue color that it was to begin with was gone, which stops the reaction. When zinc is added to copper (ii) sulfate, a single displacement reaction will take place, creating a solid, copper, and zinc sulfate when zinc is added to hydrochloric acid, hydrogen gas will be released a solid, zinc chloride, will be formed.
Aluminum – copper (ii) chloride reaction lab purpose: in this laboratory, you will explore the reaction between aluminum and copper (ii) chloride in addition, you will make both quantitative and qualitative observations about. 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 70015g with 20095g fe or iron powder produced a solid precipitate of copper while the solution remained the blue color. Moles of each element, determine the empirical formula of magnesium chloride 7 ) wash your evaporating dish with water (the product may be washed down the sink) and return your equipment to their proper storage locations before leaving the lab. The copper(ii) sulfate should be provided as fine crystals if large crystals are used, these should be ground down before use by students 1 crucibles may be of porcelain, stainless steel or nickel, of capacity about 15 cm 3 , and should sit safely in the pipe-clay triangles provided.
Page 1 of 2 name: course section: last, first instructor: dr scholefield lab report: preparation of copper(i) chloride experimental data mass of empty beaker: g. The purpose of the lab was to dissolve copper salt in water with an excess of aluminum the mass of the copper formed was to be determined and the percentage yield was to be calculated a chemical reaction is the change of substance into a new one that has a different chemical identity it is. 3 preparation of copper chloride hydrate solution / determining which wavelength to use the amount of copper present in the compound cu xcl y h 2o will be measured by examining the amount of light absorbed by the sample in solution. Copper(i) chloride and chromium(ii) acetate hydrate the laboratory report should be in acs style and include a title page, an abstract, introduction, experimental, results and discussion, and references.
Lab write up for separation by filtration and crystallization essay sample experiment1 place 4 g of the sodium chloride/copper (ii) chloride mixture in a 100 ml beaker and dissolve in about 15 ml of distilled water chemistry laboratory safety manual and sample lab report pages: 7 word count: 2110 production of sulphur dioxide. Lab #6 chemical transformations of copper introduction: copper was one of the first metals to be isolated, due to the ease of separating it from its ores it is believed that the process was known (metallurgy) as early as 4500 bc it is a ductile. Transcript of the determination of a chemical formula lab report how many moles of water were in your sample of copper chloride hydrate25g h2o 1 mol h2o/1802g h2o = 01387 mol h2o the determination of a chemical formula lab report steps 1-3: set up 1 obtain and wear goggles.
Report points unknown copper steel, or aluminum) using your ruler, measure the diameter (d) and the height (h) of the metallic cylinder to the nearest 01 mm calculate the volume. In this experiment you will determine the empirical formula of a hydrated compound of copper and chloride you will first remove the water from the compound by heating the sample. Lab 35 - iron-copper(ii) chloride reaction in this experiment, a single replacement reaction will be investigated iron nails will react with a copper(ii) chloride solution when this reaction occurs, copper metal and one of two other possible products is formed: iron(ii) chloride or iron(iii) chloride by determining the masses of. When you put aluminum in copper chloride, the copper together the chloride eats away at the aluminum there is noticeable burning smell and some faint smoke as a result of the chemical reaction as the copper chlorides works away at the aluminum, the aluminum turning into a dark brown color.
Determining the empirical formula of copper(ii) chloride 2 determining the empirical formula of copper (ii) chloride objectives 1 to determine and verify the empirical formula of copper (ii) chloride 2 to calculate the percentage composition of copper in copper (ii) chloride. The empirical formula of a copper chloride hydrate is determined first the water molecules are removed through heating and the crystals change color from blue to brown. Copper chloride solution equation frequently in an analysis there are numerous responses and subsequently various adjusted mathematical statements that can portray the whole experiment the test be performing is a single substitution reaction which happens in an aqueous solution it can shape an aqueous solution. Uw department of chemistry lab lectures online chem 142 2 of 3 where n is the number of cu atoms in one formula unit of the compound for example, the.