I worked with a partner in this lab. 10. When stirred, the crystals dissolve and form a light blue solution. When we added ammonia to the Aluminum and Copper Chloride solution it didn’t have much of an effect on the aluminum. coil to remove the brown substance so it falls into the 150 ml beaker. 2. Record On your data table, record 3. Wear safety goggles. Put your solution in of Beaker & Brown Substance after heating/drying/cooling _______g, Mass Copper Chloride & Aluminum Lab. On the fourth try, we had got the experiment correct. 3. Is the reaction exothermic or endothermic? you will need to add to the, 15 the reaction from the mass of the original Aluminum wire. When you put aluminum in copper chloride, the copper together the chloride eats away at the aluminum. 6. Limiting Reagent (CuCl2) 1) Note any known measured or calculated mass of reactants. Balanced:3 CuCl2 + 2 Al ——> 2 AlCl3 + 3 Cu, Sign in|Recent Site Activity|Report Abuse|Print Page|Powered By Google Sites. Anyone knows where I can search/create a molecule model out of ball and stick from the internet? Copper (II) ions will hydrolyze to produce an excess of hydrogen ions, making the copper (II) chloride solution slightly acidic. Make 15 mL of a 9.92 x 10-1 M solution of Copper (II) Chloride scoopula The reactants of this experiment are Copper (II) Chloride, CuCl2 and Aluminum. Goggles must be worn at all times. It has also been found that copper(II) nitrate reacts in the same way as copper(II) sulfate. The initial temperature is 22 o C. The aluminum foil is a shiny silver-coloured metal. This is because according to the reactivity of metals, aluminium is more reactive than copper and so it displaces copper from a solution of copper chloride. aluminum copper (ii) chloride reaction lab answers, copper(II) ions in the solution are reduced to copper metal (see Equation 5). Obtain a plastic cup. 55.0 grams of aluminum powder is mixed with 75.0 grams of ferric acid, which of the two substance is the limiting reagent? (see your answer to #3), 7. You may also use rubber gloves and coax the brown stuff off the wire and into in water. WEAR YOUR GOGGLES TO AVOID SPLASHING INTO YOUR EYES. Stoichiometry will be used to calculate the limiting reactant, and the percent yield of copper metal produced. of aluminum. Aluminum and Copper Chloride Lab: Limiting Reagent Edition Qualitative Observations: We already noticed that a red precipitate formed, but it is also important to find evidence for the aluminum ionizing in the solution. CAREFUL NOT TO LET ANY OF THE BROWN SOLID GO DOWN THE SINK. Cu +2 (aq) + Zn(s) J Cu(s) + Zn +2 (aq) Equation 5 In order to determine the mass of copper metal produced in reaction 5, it is essential that CAREFUL NOT TO LET ANY OF THE BROWN SOLID GO DOWN THE SINK. Aluminum and Copper Chloride Activity Name _____ Date _____ Period _____ Background: In this lab you will be observing the reaction between copper (II) chloride (in solution) and aluminum. This conclusion was confirmed when the Copper (11) Chloride Dihydrate, a blue solution, turned clear after it was heated proving it was limiting reagent. When the ammonia was added to the solution, the solution turned into a dark and cloudy blue concoction. Decant Also, the aluminum ion in solution may be coordinated with four chloride ions: [AlCl 4] 1-But that isn't the whole story. The Products are Copper Metal and Aluminum Chloride, AlCl3. 2. 4. Once it was … Avoid contact with skin. You will look for clues asto which substance was in excess and whichlimited the reaction.Write an investigative question that describes thescientific goals of this experiment. As shown in the equation above, the chlorine broke its bond with the copper, and attached itself to the aluminum. of your small beaker and record During the control reaction 50 mL of water was added to 2 G of copper chloride. Add 50 mL of water. Question 1: On heating blue coloured powder of copper (II) nitrate in a boiling tube, copper oxide (black), … Predicted Copper II Chloride + Aluminum = Copper + Aluminum III Chloride 3(CuCl2) + 2(Al) = 3(Cu) + 2(AlCl3) Three Copper Chloride + Two Aluminum = Three Copper + Two Aluminum III Chloride. grams of brown sub. Copper Chloride is an Ionic Compound made up of the metal Copper and the non-metal Chlorine. Seek medical attention if copper chloride is ingested. Period: Aluminum and Copper Chloride Lab (do not need to do full lab write up) Introduction: In this lab you will be observing the reaction between copper (II) chloride (in solution) and aluminum. There is noticeable burning smell and some faint smoke as a result of the chemical reaction. the mass after the reaction on your Learn the crucial role of a catalyst as the single-replacement, oxidation–reduction reaction … Introduction For this lab, we will be reacting copper (II) chloride with aluminum. the beaker. This means that aluminum must be less dense than the copper chloride solution. Thus it is custom to name the compound by stating the Metal first and the Non-Metal second, in its ion name (ie Chloride not Chlorine) When the aluminum is placed in the solution, it is clear that it does not sink. is the gas produced? This lab was about aluminum reacting with copper (II) chloride. Purpose: Copper(II) chloride is a blue-green solid. equation? of Al wire after it was dipped in Copper (II) Chloride solution Do not copy the questions, but show all work! This created pure copper and aluminum III chlorine. Using your water bottle, squirt a strong stream of water on the MATERIALS: Test tube Beaker dry copper chloride glass rod Graduated cylinder Hydrochloric Acid Dropper Barium Chloride Spatula Magnesium ribbon Stirrer Aluminum foil Pipette Bicarbonate Bunsen burner water Procedure 1) -Dry copper chloride was … graduated cylinder filter paper. aluminum wire used up in this reaction into moles experiment. Decant the blue liquid from your small beaker down the drain. of copper and you should have the amount of copper that will come out of this Test number one: First we put in 20ml of water into a test tube. Take the temperature of the water / copper (II) chloride solution and write down any qualitative observations that you can. of the brown substance in the beaker and record Find the percentage error of your results by using the following formula: Percentage You may also use rubber gloves and coax the brown stuff off the wire and into got to see how far off you were. the GRAMS of Copper (II) Chloride of Al wire after it was dipped in Copper (II) Chloride solution, Mass It is also evident that the reaction was an exothermic one. Experiment One: We added 20ml of water into a test tube. ________g, Mass Copper (II) chloride (aq) + Aluminum (s) → copper (s) + aluminum chloride … Identify the reactants and the products for the experiment? You will carry out this reaction in the following lab. Determine the mass side of the reaction? While your beaker is drying, answer 12. If you watch the solutions color change during the reaction. Juliet Yengwia Period 3A 10/14/09 LAB REPORT AIM: Observing Physical and Chemical Changes. Then, we weighed out 2.02 grams of copper chloride and mixed it into the water. Make sure that your question applies to … data table. 10. Pre-Lab: This is an example of single displacement. Following that, 10 mL of ammonia was added. x100, (Check Also, the aluminum ion in solution may be coordinated with four chloride ions: [AlCl 4] 1-But that isn't the whole story. The “Eating away” of the aluminum causing a burning smell and release of heat. Squirt some water (about 20-30 mL) from your water bottle into your Determine how many moles of Aluminum were used in this reaction. Aluminum reacts with copper(II) chloride, CuCl2, to form copper metal and aluminum chloride, AlCl3. We believe that copper metal and aluminum chloride will be the products because single displacement happens a lot when copper is … In this lab experiment, you will react copper (ll)chloride and aluminum. of Beaker & Brown Substance after heating/drying/cooling. Obtain a length of aluminum wire from your teacher. Subject Science Chemistry Revised Curriculum Keywords aluminum copper chloride chemical chemical reaction BCScTA observation Learning Standards BC Science 9 (2016) Element properties as … Make the solution of Copper (II) chloride as specified in the pre-lab, 5. Christopher Wilson Ethan Urbanowitz 7 th period 12/7/2018 Copper (II) and Aluminum Lab Purpose This lab will demonstrate the reaction between aluminum and copper (II) chloride while also refining the skill of making qualitative and quantitative observations. It also gave off the very strong ammonia scent. Conclusion: Throughout the lab, the reaction between Copper (II) Chloride and Aluminum foil was observed and recorded. I worked with a partner in this lab. error = êPredicted 8 Purpose: Observe a chemical reaction and identify the indications of a chemical change. BE It was evident a single replacement reaction occurred. We weighed out the amount of 2.02 grams of Copper Chloride. the beaker. this also into the sink. Foiled Again — Aluminum Loses to Copper A Redox Reaction Introduction Watch aluminum foil disappear as it is added to a green-blue solution of copper(II) chloride. this on your data table. Materials: beakers 0.5 M Copper (II) chloride … - Actual grams of brown sub.ê It took about four times to get the right amount of each. aluminum copper (ii) chloride reaction lab answers, copper(II) ions in the solution are reduced to copper metal (see Equation 5). Aluminum + Copper Chloride Lab In this lab we tested on how much amount of Aluminum, Copper Chloride, and water to balance each other out. Your answer to number 7 is the number of moles your data table. In addition, they will make both quantitative and qualitative observations about the reaction. It was seen in the reaction that the reactants formed Aluminum Chloride and Copper. Hypothesis The aluminum will react with the copper (II) chloride ions to create a solid copper ion. … Directions: In this laboratory, you will make both quantitative and qualitative observations . What ? Multiply your answer to number 6 by the number of atoms of copper you the questions posed to you in the question section. There is noticeable burning smell and some faint smoke as a … What eventually happens when you put Aluminum in Copper Chloride? BE CAREFUL NOT TO LET ANY OF THE BROWN SUBSTANCE GO DOWN THE DRAIN. Write an investigative question that describes the scientific goals of this experiment. Grams Divide your answer to number 5 by the number of atoms of Aluminum you LAB: Copper (II) Chloride and Aluminum – Limiting Reactant and % Yield Introduction / Background: The purpose of this lab is to experimentally produce copper metal through the reaction shown below. When we put these two reactants together, we believe that copper metal and aluminum chloride will be the products. in that equation, how many Aluminum atoms are on the Reactant side of the Period: Aluminum and Copper Chloride Lab (do not need to do full lab write up) Introduction: In this lab you will be observing the reaction between copper (II) chloride (in solution) and aluminum. Aluminum + Copper Chloride Lab In this lab we tested on how much amount of Aluminum, Copper Chloride, and water to balance each other out. Finally, on day three, we measured the mass of the dry copper. Add a small amount of copper (II) chloride (about the size of two peas) to the water and stir. copper(II) chloride dihydrate, CuCl 2 • 2H 2 O aluminum foil, 8cm x 8cm additional chemicals for step 5 SAFETY In this lab, the solution you are working with may become quite hot following the addition of aluminum foil. Observe color changes, production of a gas, formation of solid metallic copper, and a drastic change in temperature. Write a word equation for the reaction based in the above statement? Dip the coil into the Copper (II) Chloride solution and allow it to of Copper (II) Chloride to be added to 15 mL of water In this lab, students will explore the reaction between aluminum metal and copper (II) chloride. By reacting aluminum with copper (II) chloride, you will make a reaction. It took about four times to get the right amount of each. of Copper (II) Chloride to be added to 15 mL of water, Mass You will look for clues as to which substance was in excess and which limited the reaction. mL of water. As the copper chlorides works away at the aluminum, the aluminum turning into a dark brown color. The equation for the reaction is: 3 CuCl2 (aq) + 2 Al (s)( 3 Cu (s) + 2 AlCl3 (aq) Hypothesis: Materials: Beaker.5 M CuCl2 solution . its mass on the data table. Copper (II) ions will hydrolyze to produce an excess of hydrogen ions, making the copper (II) chloride solution slightly acidic. aluminum foil copper(II) chloride water Safety The copper chloride used in this lab is poisonous if ingested and is also a skin/eye irritant. Thermometer. your small 50 ml beaker, 1. 11. Write out a balanced equation for this reaction. Test number one: First we put in 20ml of water into a test tube. This reaction was exothermic because when we held the cup in our hands it was very warm. I'm thinking that the maroon substance is actually rust which is a product from when the aluminum and copper (II) chloride combine. with the catalyst are the same as those observed between aluminum and copper(II) chloride. Cu +2 (aq) + Zn(s) J Cu(s) + Zn +2 (aq) Equation 5 In order to determine the mass of copper metal produced in reaction 5, it is essential that . thermometer. WHEN THE BEAKER IS COOL, reweigh it and record of copper you should expect to create in this experiment. handle. We placed the Copper Chloride … In this lab experiment, you will react copper (II) chloride and aluminum. By looking at your balanced equation and the Coefficients This allows reaction with the copper(II) sulfate. The ammonia mostly did was turn the copper solution a grayish blue color and thickened the solution. 4. If you put together Copper (II) Chloride, also known as CuCl2 and Aluminum, the sum of it will be Copper Metal and Aluminum Chloride, also known as AlCl3. Materials / Equipment:250 mL beaker. 9. Alright i'm doing a grade 11 chemistry lab report and i need to write down some evidence on why copper (II) chloride reacts with Aluminum and creates a maroon substance that is attached to the aluminum. 5. The equation for the reaction starts like this: CuCl 2 (aq) + Al ??? On day one of the lab, we allowed aluminum to react with copper (II) chloride in a beaker filled with water. The equation for the reaction is: 3 CuCl2 (aq) + 2 Al (s)( 3 Cu (s) + 2 AlCl3 (aq) Hypothesis: Materials: Beaker.5 M CuCl2 solution. Anyone knows where I can search/create a molecule model out of ball and stick from the internet? On day two, we removed the chunks of wet copper (the product) from the beaker and put them on a sheet of filter paper. - Actual grams of brown sub. Then, convert the grams of An exothermic reaction is when the reaction causes a releasing of heat. The heat it created could be seen in the temperature change and also in the formation of bubbles. During the reaction between copper (II) chloride and aluminum, the aluminum dissolves to create a solution with aluminum ions with a +3 charge and copper metal. Other catalysts that catalyze this reaction include sodium bromide, potassium chloride, magnesium chloride, and hydrochloric acid solution. The purpose of this lab is to widen the understanding of mole ratios and how they can be applied. Subtract your answer from #8 from the grams of brown substance you predict how many grams of a brown substance will be produced by using a The aluminium foil appears unable to displace copper from copper… have on the reactant side. A multitude of factors indicated that a reaction was occurring and some of them included a temperature change, the formation of bubbles, and the formation of precipitate. ? This is a short video showing what happens in the Copper II Chloride and Aluminum lab. Copper(II) chloride is an irritant. (see your answer to #4). Put your beaker on one of the hot plates in the fume hood and let it dry AGAIN, BE reaction of aluminum and copper(II) chloride is very vigorous—the reaction mixture gets very hot as heat is released, the blue color due to the Cu(II) ions fades, the aluminum foil disintegrates, a reddish brown solid appears, and gas bubbles are given off. CAREFUL NOT TO BREATHE THE FUMES PRODUCED The wire will be coated with a brown Copper and Aluminum Lab Procedure: 1. Remind students what copper looks like, so that they know what they are looking for. Results. You could observe and feel the heat from the cup, which proves its an exothermic reaction. 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Reaction is when the reaction between aluminum and copper chloride to become balanced you may also use gloves! Ii ) chloride crystals - CuCl2 test tube GOGGLES to AVOID SPLASHING into your EYES Introduction for this lab,., 7 make a reaction off you were the mixture sit for 1... Looking for the First mini lab my group and I had conducted involved copper chloride and.... ) + Al?????????????????... Al thermometer wear your GOGGLES to AVOID SPLASHING into your EYES question that describes the scientific goals of experiment... Cucl2 ) 1 ) obtain and label a … copper chloride answer from # 8 from the grams ferric! Reaction between aluminum and copper chloride to form the copper ( II ) chloride reaction water... Questions posed to you in the temperature of the metal copper and the reagent. Your beaker is drying, answer the questions posed to you in the temperature of the,. - Al thermometer when copper chloride and mixed it into the water Al wire and into copper. Starts like this: CuCl 2 ( aq ) + Al????! Was exothermic because when we held the cup in our hands it was very warm or Decomposition CuCl2 test credit-card. It to collect copper for about three minutes t have much of effect. Formed aluminum chloride and aluminum from # 8 from the grams of copper chloride solution off you.... Make sure that your question applies to … Chemistry: aluminum – copper ( II ) sulfate bright with... By Google Sites exothermic reaction is a type of reaction where the more reactive metal dissolved in the section... Aluminum must be less dense than the copper chlorides works away at the aluminum and a drastic change temperature. Blue color and thickened the solution turned into a test tube reaction: Combustion, single,... Solution a grayish blue color and thickened the solution chloride to form the copper chlorides works away at the causing. Up of the chemical reaction between aluminum and copper chloride solution your EYES using the lab! Acid, which proves its an exothermic reaction is a type of reaction where the more metal... Based in the above statement 10-1 M solution of copper you have the... Goggles to AVOID SPLASHING into your beaker is COOL, reweigh it record... Starts like this: CuCl 2 ( aq ) + Al????! Seen in the same as those copper chloride and aluminum lab between aluminum and copper ( II ) chloride, the copper chloride AlCl3! The reaction on your data table reactants formed aluminum chloride, and the percent of! Conducted a number of moles of aluminum powder is mixed with 75.0 grams of aluminum wire used up in lab. … in this lab experiment, you will react copper ( II ) chloride?. Question applies to … Chemistry: aluminum – copper ( II ) chloride do,... Aluminum causing a burning smell and some faint smoke as a … copper.... Replaces the less reactive metal dissolved in the following lab and chemical changes beaker is drying, answer the posed! Mixture sit for about three minutes be the products for the experiment make a reaction to react with copper II. All work obtain a length of aluminum wire after the reaction was quite different than before substance you to. Chloride solution to become balanced multiply your answer to number 7 is number! Formula: percentage error = êPredicted grams of brown sub determine how many moles of aluminum foil was observed recorded... Create a solid copper ion, the copper together the chloride eats away the! Determine how many moles of aluminum were used in this laboratory, you make!
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