Answer to this is a post lab for electrochemistry: determining an activity series using galvanic cells these are the first 6 ques. Two interesting copper compounds in this laboratory exercise we will synthesize two interesting copper containing compounds the first is potassium trichlorocuprate post-lab questions 1 write balanced chemical reactions describing each of the above preparative schemes. Cucl2: cu+: green: 510nm: copper: unknown2: cu: light green: 560nm: conclusion/post lab questions: 1 were you able to see different colors for the metals why or why not. Question 5 of 6 (i need help with this entire table, calculations, and post-lab questions/answers) 60 points please upload (in pdf format) yo. Type of reactions lab answers you are here: home science chemistry type of reactions forming precipitate lab answers percentage yield lab tags: answers chemical reaction lab type of reactions share this post share with facebook share with twitter share with google+ share with.
250-ml beaker 1 g cupric chloride, cucl2(2h2o tap water 20-23 cm, aluminum wire metal scoupula distilled water wire cutters test tube (16x125mm) equation for the reaction that occurred between the al wire and the cupric chloride solution is required to answer the post lab questions. Copper aluminum lab cucl2, to form copper metal and aluminum chloride, alcl3 you will carry out this reaction in the following lab add 10 ml of ammonia and observe what happenspost lab questions answer the following questions. I'm having trouble with a chem lab i'm supposed to write chemical equations for cucl2 + nh3 but i cant seem to figure it out jump to content my subreddits ask homework/schoolwork questions in /r/chemhelp or at chemicalforums otherwise your post will be deleted. Ch204 fall 2009 - anderson qualitative analysis post lab 3 questions 2 - 5 in each of the following four situations, imagine that you.
Start studying chem learn vocabulary, terms, and more with flashcards, games, and other study tools the balanced reaction is 2 naoh + cucl2 cu multiply by the percent yield to determine the actual mass obtained in lab: 40 x 08 = 32 g (approx due to rounding) the closest answer is. Study chemistry 184 five white powders lab notes from grant h experimental part 1 to begin our experiment, we first accurately weighed 10 g of both na2co3 and cucl2 post-lab questions what is gravity filtration. Experiment 18 - absorption spectroscopy and beer's law: analysis of cu2+ many substances absorb light when light is absorbed, electrons in the ground state record the actual volume of each solution used to make each mixture in your lab notebook 7. View lab report - qualitative analysis - post lab 4 from chemistry 142 at fayetteville state university 2/16/2016 qualitative analysis post lab 4 1 198/4 points | previous answersuncfgenchem1l1.
In the flame test lab cucl2 unknown 1 unknown 2 procedures: 1 write out formulas for all solutions and get teachers initial 2 post-lab questions 1 were you able to see different colors for the metals why or why not yes. Conductivity of solutions lab report - free download as word doc (doc), pdf file (pdf) or read online for free ap chem lab write-up.
Chemical reactions of copper and percent recovery prepared by edward l brown, lee university to take copper metal through series of chemical reactions that regenerates elemental copper this lab will focus on analyzing the various. First post here seems like a copper dissolves into solution, creating a self-regenerating cucl2 solution that can be refreshed by simple aeration, or by adding a bit of hcl or h2o2 every now and then (ii) oxide is widely used as a lab reagent and as an alternative oxidizer in. Chemistry 422 biochemistry laboratory manual mark brandt, phd third edition prior to each lab period, you will need to spend some time reading the laboratory manual this reading will provide background information and an outline of the. The copper lab demonstrates stoichiometry in chemistry stoichiometry is helpful in calculating the amount of an element or compound in chemical reactions. Colored precipitates lab as a study we placed cucl2 fecl2 nicl2 and mixed with naoh and watched it undergo a series of reactions we were able to identify the mystery slolutions as either (aq) or (s)and from that we were able to determine the net ionic equations.
Stoichiometry - limiting reagent laboratory name_____ section_____ 5 the lab report your lab report will consist of your data sheet (pg 4), a written abstract and answers the two questions that follow the data sheet is worth 30 pts each. Undoubtably my cucl2 is slightly contaminated, but only slightly there is as much grey sediment as i put cucl2, so i don't think this was due to contaminents (an excess of naoh was used) 0 share this post link to post share on other sites h4x0r 10 h4x0r 10 lepton members 10 6 posts. Background when you are making a ham and cheese sandwich, you need two slices of bread and one piece of ham and cheese how many complete sandwiches could you make if you had eight slices of ham, seven slices of cheese and eighteen slices of bread. Experiment 1 chemical reactions and net ionic equations i objective: to predict the products of some displacement reactions and write net ionic equations reactions in your lab reports you must show all phases including (aq) 1 combination. Colored precipitates lab purpose: in this experiment, some double-replacement reactions will be carried out and the characteristic colors of precipitates will be observed. Colored precipitate lab 01 m cucl2 solution 01 m fecl3 solution 01 m nicl2 solution mystery solutions 1, 2 , 3 procedure: as described by instructor data: boyles's law group data well: solutions mixed.