Lab report transforming copper
The procedure of the experiment: day 1 silver nitrate and copper lab report obtain a piece of copper wire about 20 cm long form the lower part in an elongated coil, and bend it to form a hook at the opposite end. In this experiment we will try to find out the empirical formula for copper sulphide lab report: enzyme activity china since 1949: the communists in control, lowe the spread of communism outside europe and interna. The lab that was conducted demonstrates this law because the lab starts off with a mass of copper this copper lab required measurements to be made, which tested measuring skills an electronic scale was used to weigh the initial and final copper. In the copper cycle once you were done you ended up with what you had in the beginning, the copper during the lab the copper was never gone but you just could not see it a chemical reaction is when a substance is transforming into another. Determining the concentration of a solution: beer's law purpose to determine the wavelength you will prepare five copper (ii) sulfate solutions of known concentration lab report in this report. Chemistry 1a: general chemistry laboratory manual prepared by las positas college experiment 8 determination of copper in a coin 61 lab report format periodic table errors, precision and accuracy. Page i-3 / titration of water soluble copper salts lab lab notebook and lab report: please read your syllabus for details of lab notebook procedure and lab reports information on the lab notebook and on how to write a lab report can be found here. Activity 4: transformation of e coli using green fluorescent protein the bacterium you will be transforming clean the lab benches with the bleach solution and remember to wash your hands before leaving the lab procedure day 1.
Not only will this lab teach you much about chemistry record the mass of copper on the report sheet place the copper in the bottom (where else duh) of a clean 150 ml or 250 ml beaker remember 75% of lab error is the result of dirty glassware. 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. 2 solutionsneededforthisexperiment: solutionspreparedbythestudent solutionsprovidedbytheinstructor 1:1nitricacid concentratednitricacid. The copper lab demonstrates stoichiometry in chemistry stoichiometry is helpful in calculating the amount of an element or compound in chemical reactions. The goal of this lab was to see if the mass of copper would be same after going through a series of chemical reactions the result of this copper lab should have been that the mass of the initial copper and the mass of the final copper equals each other. Hi, i am very confused with this lab and some of the questions i answered some already copper lab: converting copper to copper oxide and then retrieving copper report abuse comment.
Solutions containing copper(ii) ions have a distinctive color depending on the length of your lab period, this might take more than one 50 minute period you could have students make their standard solution one day. Title: determining the mass percent of copper in brass through color purpose: the purpose of this lab is to examine molarity through color by doing this, we will be able to figure out what percent of brass is made up of copper background: brass is a metallic alloy consisting of zinc and copper. Syllabus - winter 2012 lab packet: all printed material for this lab will be available on d2l under the heading week 5 (copper cycle report due) alkali metal project - simple weight loss and gravimetric analysis (90 pts. Copper tokens - (note: us copper pennies dated 1982 or earlier work best in this experiment, but any copper penny can be used) 5% acetic acid solution (by volume) or vinegar microsoft word - an experiment in alchemy explaineddoc.
Report your results as directed by the lab instructor you might write them on an erasable marker board or enter them into a spreadsheet program on a computer in the laboratory write a balanced equation for the reaction of basic copper carbonate to give copper. Study experiment 3 report sheet: laboratory questions flashcards taken from chapter 3 of the book laboratory manual for principles of general chemistry. a sequence of chemical reactions: transforming copper briefly describe a) round-trip copper reactions lab report round-trip copper reactions lab the purpose of this lab was to evaluate our skills of decanting a supernatant liquid without losing the solid and successful completion of a.
Copper conversions lab name introduction in this multi-day lab you will start with a sample of copper metal and run several successive reactions which produce different copper compounds. 1 recovery of copper renee y becker manatee community college introduction in this lab we are going to start with a sample of copper wire we will then use a.
Lab report transforming copper
Synthesis and analysis of a coordination compound of copper chemistry 111 lab: synthesis of a copper complex page h-1 the general formula of the unknown compound is cux record your results for each titration on your report form. Spectrophotometric analysis of copper introduction chemistry 111 lab: spectrophotometry page e-11 figure a piece of beveled chalk in a small test the report you may use ms excel or the programs on the general chemistry cd-rom.
Record the appearance of the copper metal in your lab report caution: concentrated nitric acid is highly corrosive, so it can cause severe chemical burns and damage clothing handle with care and avoid breathing the fumes any nitric acid spilled. You will begin the lab with a piece of copper wire the unbalanced reactions are provided for you along with the procedure for the lab in your lab report you should include the balanced equations materials: copper cycle _13_doc. Calorimetry lab - specific heat capacity the mass of each copper atom is larger than the mass of each aluminum atom, for example therefore a give mass (such as 58 g of you should have prepared all pre-lab activities for review. Purpose:to find out the percent yield of copper in the reaction between copper sulfate (cuso4) and iron (fe)materials:balance100-ml beaker250-ml beakerbunsen burnercopper sulfate crystalsglass stirring rod100-ml graduated cylinderiron filingsring stan.
Synthesis and analysis of coordination compounds pre-lab assignment the lab manual to complete in your lab notebook the following sections of the report for this lab exercise: title, lab purpose the next parts of the lab involve analysis of your copper(ii) coordination compound and. Before you come to lab: read sections 16-1 to 16-3 in your text report the result in terms of the percentage of copper (% cu) in your unknown the range on unknown values should be between 4% to 22% page 1 of 4 iodometric determination of copperpdf title: experiment: iodometric. Experiment 3 introduction to density introduction on the report sheet, record the mass of vinegar option 2: the solid unknown may also be copper pennies from different years obtain two sets (each set containing about 10 pennies. In a display of alchemy we turn copper pennies into silver and finally to gold obviously it's a chemistry trick but still impressive first we get 30g of zinc.