The copper cycle (2 lab days) experiment, a copper sample will appear in five different forms by going through four chemical late work: laboratory reports are due at the beginning of the lab period following completion of the. Transcript of copper cycle lab report when heated, the copper hydroxide solid began to turn black, into a copper oxide in water when sulfuric acid was added to the copper oxide, the whole solution turned a blue color and no more black precipitate remained when solid granulated zinc was added to the copper sulfate, a single displacement. The copper cycle lab chemistry study guide/notes for final exam sch3u grade 11 the catcher in the rye and romeo and juliet comparison essay sermon #2 - astagfar poem - a soul’s calling from copper to copper lab shakil m, horby l, shaquile p, fazal m april 17th 2012 mr.
Copper cycle lab report 1517 words | 7 pages the copper cycle alexes montalvo chem 1500-10 september 26, 2012 the copper cycle introduction: the copper cycle is a popular experiment used to determine if an element, in this instance, copper, reverts to its elemental form after a chain of reactions. I hope you enjoy this video let me know what you think of the lab in the comments disclaimer: this experiment must be performed outside or in a fume hood. We will write a custom essay sample on copper cycle lab report specifically for you for only $1638 $139/page order now rinse the first beaker thoroughly and pour the rinse with the solution in the 250 ml beaker v add 6 drops of sodium hydroxide, noah(aqua), to the 250 ml beaker until a precipitate is formed. Bhumika patel 991351597 1 chem16682, experiment 7 laboratory 7: reactions of copper and percent yield purpose /2 the purpose of this experiment is to observe the chemistry of copper cycle in aqueous solution done through 5 chemical reaction and to determine the percentage yield of copper.
Why is this series of reactions often called the copper cycle how did the last part of the procedure (step 16) complete the cycle (per lab team) 1 beaker, 100 ml - 250 ml 1 centrifuge tube 1 funnel students may want to recheck this before you collect their papers. After sulfuric acid was added to the beaker, copper was found as copper ions with a 2+ charge instead of the previous copper(ii) oxide form 6 in the final step of the lab when the copper precipitate was washed, zinc ions were removed. Precipitating a solid copper product formed from a soluble reactant if the reaction starts with a soluble copper compound and produces a solid copper compound, then you want to add reagent until no more solid forms this is a little bit harder to see in the beaker. This feature is not available right now please try again later. For instant, for the first step, when i added the acid to the copper, the copper disappeared and the solution turned from the clear acid color to a blue-greenish hue in the next step, there was another chemical reaction when i added the sodium hydroxide.
4 if you choose to handwrite any part of the report, you must do so legibly in ink illegible responses, including sections written with poor handwriting or typed in with miniscule font size will not be marked and will be assigned a value of zero. The “four reaction copper cycle” illustrates the properties of copper and its compounds and demonstrates different types of chemical reactions “copper-cycle” experiments are classic labs—the reactions in this lab have been optimized to make them as safe and efficient as possible. I oxidizing copper metal with concentrated nitric acid, hno 3 (aq) the first step involves transforming cu metal to copper(ii) ions, cu 2+ , using concentrated nitric acid. The copper cycle purpose- to gain familiarity with basic laboratory procedures, some chemistry of a typical transition element, and the concept of percent yield materials- copper wire,balance, 2 250ml, distilled water, evaporating dish, stirring rod, wire guaze, ring stand and iron ring, bunsen burner and hose, 100ml graduated cylinder, boiling. Chemistry lab report (copper cycle) this is a lab report for my general chemistry class the assignment was to create a formal lab report that expresses data and observations, lab procedure, and a discussion of the data with a conclusion.
Chemical reactions of copper lab purpose the purpose of this lab was to carry out five reactions of copper, observe the results, write the reactions that took place, and to document and our observations procedure 1 measure out around 500 grams of copper turnings and place into a 250ml beaker. “the second step in the a single replacement reaction will take place, the products being iron(ii) formal lab report rubricdoc solution mystery labdoc heating of a hydrate labdoc copper cycle labdoc late work: laboratory reports are due at the beginning of the lab period following completion of the. Actually, the nitrate ion oxidizes the copper metal to copper (ii) ion while itself being transformed to no 2 gas in the process the copper (ii) ion then binds to six water molecules the physical change you should observe is the copper-colored metal vanishing as the solution turns blue (from [cu(h 2 o) 6 ] 2+ , the hexaaquacopper ion) and a. General chemistry lab #1 conservation of mass: a cycle of copper reactions purpose the goal of this experiment is to introduce you to several classes of chemical reactions: oxidation/reduction, precipitation, decomposition and acid/base neutralization.
Copper cycle: chemistry lab summary work with copper and analyze different reactions to further understand the four main classifications of chemical reactions (combination, decomposition, single displacement and double displacement) write balanced equations for each reaction look for blue color to see if copper is part of the solution check for the following materials: check for the. Cu again: a copper cycle lab this lab will take you through a series of reactions, starting with copper as a reactant in the first reaction and ending with copper as a product in the last reaction the copper you collect at the end may look different but this is only because it is not cleaned and polished. Copper cycle lab report purpose: during this experiment, we were trying to see whether copper, after a chain of chemical reactions, will revert back to its elemental form procedure: first, i added nitric acid with copper in a beaker, which turned into a copper nitrate, a blue-green solution afterwards, i added sodium hydroxide, and my.
Experiment 2 a cycle of copper reactions in the first experiment you had the opportunity to deduce and write the chemical formulas for some simple ionic compounds, and to use these formulas to represent simple chemical reactions. Copper cycle lab report by hyun-soo seo on prezi write lab report for copper cycle lab report #3: copper cycle at different stages of the cycle, copper was present in different forms. Copper cycle lab report essay the copper cycle alexes montalvo chem 1500-10 september 26, 2012 the copper cycle introduction: the copper cycle is a popular experiment used to determine if an element, in this instance, copper , reverts to its elemental form after a chain of reactions. Cycle of copper reactions purpose: this step, you may take the beaker back to the lab bench reaction (2) 3 add ~100 ml di water to the beaker then add ~30 ml 30 m naoh to the beaker, continuously stirring record your observations reaction (3) 4 add two boiling beads to the beaker and place it on a hot plate.