Preview

Copper Cycle Lab Report

Good Essays
Open Document
Open Document
1530 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Copper Cycle Lab Report
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. This experiment is very dangerous because of the reactions between the strong acids and bases. In this experiment I performed a series of reactions starting with copper metal and nitric acid to form copper (II) nitrate. Then I reacted copper and several other solutions such as, sodium hydroxide, sulfuric acid, ammonium hydroxide, and hydrochloric acid to form precipitates. In conclusion my percent recovery of copper was 100% due to the adequate amounts of solutions and achievement of proper chemical reactions.

Equipment and Materials:

← Copper Metal (penny) ← Nitric Acid (HNO3)(aq) ← Sodium Hydroxide (NaOH)(aq) ← Sulfuric Acid (H2SO4)(aq) ← Ammonium Hydroxide (NH4OH)(aq) ← Hydrochloric Acid (HCl)(aq) ← Zinc powder

← 2 100 ml Beakers ← 250 ml Waste Beaker ← 400 ml Beaker ← Filter paper ← Plastic Dropper ← 250 ml Erlenmeyer Flask ← Forceps ← Plastic Funnel ← Red Litmus paper ← Spatula ← Steel Wool ← Glass stirring rod ← Small test tube ← Tongs ← Wash bottle ← Watch Glass

Procedure:

I. Weigh a pre-1982 penny (should be around 3 grams)

II. Measure 2mL of concentrated nitric acid, HNO3(aq), into a 100 ml beaker under a fume hood. Place penny into the beaker of nitric acid and observe the reaction. After 5 seconds remove penny with forceps and place into second beaker.

III. Add approximately 25mL of deionized water into second beaker to remove any remaining copper ion traces and place rinse into first beaker with nitric acid. Record your observations of the copper (II) nitrate, Cu(NO3)2. Dry and weigh the penny to see how much of
Continue Reading
View Writing Issues

You May Also Find These Documents Helpful

  • Satisfactory Essays

    Lab of moles of iron and copper
    • 440 Words
    • 2 Pages

    Lab of moles of iron and copper

    3. a) 1.8 x 10-2 moles x 6.02x1023molecule x 1 atom = 1.1 x 1022 atoms of iron used…

    • 440 Words
    • 2 Pages
    Satisfactory Essays
    Read More
  • Good Essays

    Determination of % Composition of Pennies Using Spectroscopy
    • 623 Words
    • 3 Pages

    Determination of % Composition of Pennies Using Spectroscopy

    7. Place your labeled beaker under the fume hood to react. Observe the effect the acid has on the copper outside of the penny.…

    • 623 Words
    • 3 Pages
    Good Essays
    Read More
  • Good Essays

    6.03 Calorimetry Lab
    • 5075 Words
    • 21 Pages

    6.03 Calorimetry Lab

    Take the filter paper with your product to the fume hood. Your teacher will test a small sample of your product with concentrated nitric acid.…

    • 5075 Words
    • 21 Pages
    Good Essays
    Read More
  • Good Essays

    Cu of a post 1982 penny
    • 916 Words
    • 5 Pages

    Cu of a post 1982 penny

    What is the experimental % of copper (Cu) in a post 1982 cent? In this lab, we will determine the % composition of a modern (post-1982) penny by using a strong acid called nitric acid (HNO3), to react and dissolve the zinc core, leaving only the copper coating. Once only copper remains, we will then compare its’ absorbency to the other five post-1982 penny Cu concentrations made in this lab.…

    • 916 Words
    • 5 Pages
    Good Essays
    Read More
  • Good Essays

    prelab 8
    • 564 Words
    • 2 Pages

    prelab 8

    2) Place the penny in a 50 mL of a pre-determined concentration of HCl solution overnight.…

    • 564 Words
    • 2 Pages
    Good Essays
    Read More
  • Satisfactory Essays

    Copper Carbonate Lab
    • 316 Words
    • 2 Pages

    Copper Carbonate Lab

    What happens to the mass of the copper carbonate when it is heated? Give a conclusion, which describes why the mass of copper carbonate may have changed during your experiment.…

    • 316 Words
    • 2 Pages
    Satisfactory Essays
    Read More
  • Good Essays

    Let's Get Started with Copper
    • 663 Words
    • 3 Pages

    Let's Get Started with Copper

    An exothermic chemical reaction occurred as the 8 M nitric acid solution was dispensed into the copper-containing beaker. Instantly we observed a brown gas dispersing from the solution. A transparent blue homogenous liquid was produced as the copper dissolved into the HNO3 solution. Condensation began forming on the watch glass, concurrently with the increasing temperature of the beaker, which became hot.…

    • 663 Words
    • 3 Pages
    Good Essays
    Read More
  • Good Essays

    Copper Cycle Lab Report
    • 547 Words
    • 3 Pages

    Copper Cycle Lab Report

    Copper Cycle Summary During the copper cycle lab, my partners and I performed a series of reactions on copper powder and observed the changes it underwent. For the first step, we mixed nitric acid and copper powder, and noticed that a yellowish brown gas emerged, along with effervescence. The red solid disappeared and became a blue liquid.…

    • 547 Words
    • 3 Pages
    Good Essays
    Read More
  • Powerful Essays

    Pre Lab Experiemnt 8
    • 754 Words
    • 3 Pages

    Pre Lab Experiemnt 8

    Objectives: The lab experiment will consist of oxidation-reduction and double displacement reactions as well as titration techniques. All these components will be used in order to determine the percent composition of pennies. In conducting redox and double displacement we are able to analyze a penny and figure out the chemical composition of the product. The experiment entails careful observations and recording of evidence for a chemical reaction. In this experiment observe gases being produced, the forming of precipitation and color changes.…

    • 754 Words
    • 3 Pages
    Powerful Essays
    Read More
  • Good Essays

    Copper Lab Analysis Essay
    • 541 Words
    • 3 Pages

    Copper Lab Analysis Essay

    2) Use the formula shown below to calculate the “percent of recovery” of copper for your experiment.…

    • 541 Words
    • 3 Pages
    Good Essays
    Read More
  • Good Essays

    Copper Compounds Lab
    • 1016 Words
    • 5 Pages

    Copper Compounds Lab

    The objective of this experiment was to identify the unknown pure copper salt compound of #9. To do this, the mass of copper in the unknown was calculated and then divided by the mass of the whole compound to get the percent copper. The molecular weight was also calculated by dividing mass of copper compound used by moles of compound in unknown sample. The percent copper averaged out to 31.6% while the molecular weight of the sample averaged out to 201.1mw. In conclusion, the unknown compound of pure copper salt was close to Cu(C2H3O2)2 •H2O which has a percent copper of 31.8% and a molecular weight of 199.654mw.…

    • 1016 Words
    • 5 Pages
    Good Essays
    Read More
  • Powerful Essays

    Chem Lab
    • 570 Words
    • 3 Pages

    Chem Lab

    2. Next, we measured our 80 ml of copper II sulfate and 20 ml of distilled water and combined them in a graduated cylinder.…

    • 570 Words
    • 3 Pages
    Powerful Essays
    Read More
  • Good Essays

    Observing A Chemical Reaction Lab
    • 660 Words
    • 3 Pages

    Observing A Chemical Reaction Lab

    Next, fill the 100mL beaker with ¼ of distilled water and without stirring add the tablespoon of Copper and record observations of the solid and water. Then you stir until the solid is completely dissolved and also record the observation. After that, record the temperature of Copper solution be sure to observe to observe from the side only. Add the loose crumbled ball of Aluminum in the solution and also record what you see. Be sure to stir and record the change in temperature every 10 minutes. Lastly, wait on your teachers instructors for the correct disposal of the…

    • 660 Words
    • 3 Pages
    Good Essays
    Read More
  • Powerful Essays

    Chem Lab Report
    • 1164 Words
    • 5 Pages

    Chem Lab Report

    .2400 grams of the unknown compound. This is done in duplicate and purple-tinted precipitates are placed in Gooch crucibles. The precipitates are suction dried using ethyl alcohol then acetone to…

    • 1164 Words
    • 5 Pages
    Powerful Essays
    Read More
  • Good Essays

    Chem 1212k Lab Report
    • 1333 Words
    • 6 Pages

    Chem 1212k Lab Report

    Prepare AgNO3 first: Weigh out 1.7-1.8 grams of AgNO3 and dissolve it in 50 mL deionized water. Mix in 10 drops of concentrated HNO3. Crucibles were already at a constant weight. Weighed out.24-.25 gram samples. Added 125-150 mL of deionized water and 10 drops of HNO3. Add 25 mL of AgNO3 solution to each sample. Boil gently. Collect AgX in gooch crucible. Used suction flask to dry then they were cooled and weighed.…

    • 1333 Words
    • 6 Pages
    Good Essays
    Read More

Related Topics