Investigate and measure the neutralising effect of indigestion tablets on hydrochloric acid in this class practical. Exothermic and endothermic reactions (and changes of state). In some chemical reactions, the products of the reaction can react to produce the original reactants. It is … Transition metal elements: general chemical properties (colour, variable valency, use as catalysts). Students remove the water of crystallisation from hydrated copper(II) sulfate by heating. In this experiment the water of crystallisation is removed from hydrated blue copper(II) sulfate. 5.6 The rate and extent of chemical change, 5.6.2 Reversible reactions and dynamic equilibruim, 5.6.2.2 Energy changes and reversible reactions, Topic 4 - Extracting metals and equilibria, 4.13 Recall that chemical reactions are reversible, the use of the symbol ⇌ in equations and that the direction of some reversible reactions can be altered by changing the reaction conditions. Read our standard health and safety guidance. Holding the test tube containing anhydrous copper(II) sulfate in one hand, pour the collected water very slowly on to the white powder. Copper Nitrate plus water makes the following equation, Cu (NO3)2 + 6H2O -----> Cu (H2O) + 2NO3 hope it helped ! Methods of copper oxidation How it reacts with air. Consider chemical reactions in terms of energy, using the terms exothermic, endothermic and activation energy, and use simple energy profile diagrams to illustrate energy changes. distilled water. According to the Copper Development Association, until now, the oxidation of the statue’s copper skin is about 0.005 inch. Lithium: separation, mining and battery power, 6 tips for teaching reaction rates using graphs, The equilibrium between two coloured cobalt species, Turning copper coins into ‘silver’ and ‘gold’, Using indigestion tablets to neutralise an acid, Copper(II) sulfate(VI)–5–water (powdered), (HARMFUL, DANGEROUS FOR THE ENVIRONMENT), about 5 g. Set up the apparatus as shown (but without water in the receiving tube – this is to be collected during the experiment), placing about 5 g of powdered hydrated copper(II) sulfate in the test tube. (ii).Write the reaction of the substance ‘X’ named in (i) above with water. Recall that some reactions may be reversed by altering the reaction conditions. They will need to find out from a data book the standard enthalpies of formation for anhydrous and hydrated copper(II) sulfate, as well as that for water. Why they are they, and they don,t even learn? However, it is the hydrated form of the salt and has 5 water molecules. After cooling the anhydrous copper(II) sulfate formed is then rehydrated with the same water. Join Yahoo Answers and get 100 points today. Practical Chemistry activities accompany Practical Physics and Practical Biology. Reaction of copper with water Reaction of copper with the halogens. Al(s) + 3CuSO4(aq) ———→ Al2(SO4)3(aq) + 3Cu(s). However, water is a product of a combustion reaction between a hydrocarbon and oxygen, which may be what you're thinking of. How do you calculate how much room temperature water (23.3°C) will be needed to drop the temperature of warm water from 50°C to 42°C. The white anhydrous copper(II) sulfate is then rehydrated and the blue colour returns. In this case; The balanced chemical equation for the reaction between copper and silver nitrate is; Cu (s) + 2AgNO₃ (aq) → Cu (NO₃) ₂ (aq) + 2Ag (s) It is an example of a single replacement reaction. If a reversible reaction is exothermic in one direction, it is endothermic in the opposite direction. This is an experiment from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry. How do you think about the answers? In this reaction, copper is oxidized while nitric acid is reduced to nitric oxide. spontaneous combustion - how does it work? Heated copper metal reacts with oxygen to form the black copper oxide. The solution gradually acquires the blue color characteristic of the hydrated Cu 2+ ion, while the copper becomes coated with glittering silver crystals. (2) (c) Suggest one reason why the redox reaction between chlorine and water does not normally occur in the absence of light. No reaction would take place. Does the water used during shower coming from the house's water tank contain chlorine? In this demonstration the equilibrium between two different coloured cobalt species is disturbed. Using mass of substance, Mᵣ, and amount in moles. 2 H2 + O2 --> H2O. Copper(I) sulfide is a copper sulfide, a chemical compound of copper and sulfur.It has the chemical compound Cu 2 S. It is found in nature as the mineral chalcocite.It has a narrow range of stoichiometry ranging from Cu 1.997 S to Cu 2.000 S. We have one (1) copper atom on … When copper sulfate (CuSO4) reacts with water (H2O), the product is still copper sulfate. This matches what happens in the reaction. Move the flame along the length of the test tube from time to time (avoiding the clamp) to prevent water condensing on the cooler regions and then running down on to the hot solid, possibly cracking the test tube. 3,Zinc salts cause a … Equation (3), (4) and (5) give a description that the presence of dissolved oxygen and carbon dioxide in water adhering to metal surfaces is a prerequisite for the corrosion process oc-curing at the metal surfaces . So, this reaction is a chemical change. The reaction is: Any attempt to produce a simple copper(I) compound in solution results in this happening. This collection of over 200 practical activities demonstrates a wide range of chemical concepts and processes. Condensing the vapour produced in a second test tube collects the water. CuO (s) + 2 H 3 O + (aq) + 3 H 2 O (l) --> [Cu (H 2 O) 6] 2+ (aq) Ensure that the students have clamped the test-tube at the end nearest the bung before they start the experiment, otherwise they will be heating the clamp as well as the test tube. You would need another substance in the water for the oxygen to react with. By using this site, you agree to its use of cookies. Cu + 4HNO3 -----> Cu(NO3)2 + 2H2O + 2NO2 when we put copper rod into conc. Notice that, like the stoichiometry notation, we have a "balance" between both sides of the reaction. That is, what is actually happening at the molecular level in this reaction? The same amount of energy is transferred in each case. Act quickly to prevent suck-back if the level of water collecting in the test-tube reaches the end of the delivery tube. They should therefore conclude that the same quantity of energy is absorbed when the endothermic thermal decomposition takes place. It should take no more than 30–40 minutes. a. The reaction involved is: CuSO 4.5H 2 O(s) (pale blue solid) ⇌ CuSO 4 (s) (“dirty” white solid) + 5H 2 O(l) Students should observe the colour change from pale blue to white and the change back to blue when water is added. Heating copper hydroxide produces copper oxide, CuO, a black solid. Read our policy. (Type your answer using the format CH4 for CH4.) This is a single displacement reaction in which copper has been displaced by iron from copper sulphate solution and a new compound, ferrous sulphate, is formed. ? The copper (I) iodide is virtually insoluble in water, and so the disproportionation reaction doesn't happen. A prime example of copper oxidation is the Statue of Liberty, wherein a green color has developed on the structure’s surface due to redox, and not due to effect of acid rain, as generally believed by people. Calculate how many milliliters of 0.5 M barium hydroxide must be added to titrate 35 mL of 0.25 M sulfuric acid.? Copper corrosion is expected to follow the same process as the above with iron. Use this video and experiment in your classroom or set as an activity for students to try out at home to explore why eating raw spinach leaves makes your mouth feel chalky. It is reasonable Topic 5: Formulae, Equations and Amounts of Substance, 8. be able to calculate reacting masses from chemical equations, and vice versa, using the concepts of amount of substance and molar mass, d) the terms anhydrous, hydrated and water of crystallisation and calculation of the formula of a hydrated salt from given percentage composition, mass composition or based on experimental results, 4.6 The rate and extent of chemical change, 4.6.2 Reversible reactions and dynamic equilibruim, 4.6.2.2 Energy changes and reversible reactions. copper and chlorine reaction equation, chlorine should undergo a redox reaction with water. a. Demonstration of an exothermic and endothermic reaction. C6.3 What factors affect the yield of chemical reactions? Such reactions are called reversible reactions and are represented: A + B ⇌ C + D. 4.7.4 The rate and extent of chemical change. however, if anhydrous CuSO4 (without water molecules attached to it, white in colour) is taken, it 'absorbs' water molecules to … The more observant should notice that the addition of water to anhydrous copper(II) sulfate is exothermic, as the tube becomes noticeably hot if the water is added very slowly. Heat the blue copper(II) sulfate until it has turned white. The Nernst equation can be used to determine the non-standard condition potential (in your case, sticking a copper wire into a solution with effectively no copper ions. Lift the clamp stand so that the delivery tube does not reach into the water in the test tube. Share Tweet Send Cop­per ox­i­da­tion is a nat­u­ral process. Write a balanced chemical equation for the reaction of iron filings with copper sulfate solution. When the funnel is removed from the hydrogen stream, the copper was still be warm enough to be oxidized by the air again. Explain what this reaction means in terms of chemical reactions at the molecular level. The copper oxide can then react with the hydrogen gas to form the copper metal and water. We are focusing our attention on the reaction between copper (II) oxide, a basic oxide, and sulfuric acid (an acid), to form a salt called copper (II) sulfate and water only. Demonstrate how to lift the entire clamp stand and apparatus. You can sign in to vote the answer. Allow the anhydrous copper(II) sulfate to cool back to room temperature. This half-reaction says that we have solid copper (with no charge) being oxidized (losing electrons) to form a copper ion with a plus 2 charge. Copper Nitrate plus water makes the following equation, For the best answers, search on this site https://shorturl.im/aw2Qm, Oxygen dissolves in water, but it shouldn't actually react with it. More able and older students might be asked to calculate the enthalpy change occurring during this process. The ion does form a protective, water insoluble zinc hydroxide (Zn (OH)2 ) layer with dissolved hydroxide ions,the reaction is Zn2+ 2OH- ————→ (Zn (OH)2 ) .This reaction releases hydrogen, which reacts with oxygen explosively. Assume that iron forms the Fe2+ ion.) Wait, do you mean the reaction of oxygen with hydrogen to form water? Copper(I) ions in solution disproportionate to give copper(II) ions and a precipitate of copper. c. Sulfur dioxide gas reacts with oxygen gas to form sulfur trioxide gas. Information about your use of this site is shared with Google. Cop­per is an el­e­ment that be­longs to the group of met­als and holds 29th place on Mendeleev’s pe­ri­od­ic ta­ble. Write a balanced chemical equation for each reaction. b. Over the years, CuO and CuS slowly reacts with carbon dioxide (CO 2) and hydroxide ions (OH-) in water from the air to eventually form Cu 2 CO 3 (OH) 2 (equation 4) , Cu 3 (CO 3) 2 (OH) 2 (equation 5) and Cu 4 SO 4 (OH) 6 (equation 6), which constitute the patina. You can see that now there are two copper atoms and two oxygen atoms on each side. The physics of restoration and conservation. As Aluminium is more reactive than Copper,Displacement Reaction will takes place and Copper will be displaced by Aluminium from its salt. Write the balanced chemical equation for the reaction. When copper wire is placed into a silver nitrate solution, silver crystals and copper(II) nitrate solution form. Students should observe the colour change from pale blue to white and the change back to blue when water is added. Include proper states of matter after each Record any observations made during the heating process and when the water was poured back onto the anhydrous copper(II) sulfate. Nitric Acid a blue colour liquid substance will form that is Copper Nitrate and a reddish-brown Gas will extracted out that is Nitrogen Dioxide and water will also occur Get your answers by asking now. Perhaps in subsequent class discussion students could be asked why anhydrous copper(II) sulfate would not be a feasible fuel for the future. © Nuffield Foundation and the Royal Society of Chemistry. Do not heat too strongly, nor allow the white colour to darken, as the copper sulfate may decompose to produce toxic sulfur oxides. 'Buckle up,' ex-DHS chief warns after Capitol attack, Pelosi: House 'will proceed' to impeachment of Trump, Pro trainer banned for giving horse a racist name, Kamala Harris's new Vogue cover shoot is causing a stir, Coach K on 'insurrection': 'They need to be prosecuted', Employers fire workers identified as Capitol rioters, Bialik explains what Blossom would be doing in 2021, Police: Man shoots 7 in series of Chicago-area attacks, Star golfer apologizes after muttering antigay slur, Couple who won $1M lotto gave $1K to grocery workers, In Dec. call, Trump pressured Ga. official to 'find the fraud'. Cu(s) + F 2 (g) → CuF 2 (s) [white] This is a resource from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry. CuSO4.5H2O(s) (pale blue solid)  ⇌ CuSO4(s) (“dirty” white solid) + 5H2O(l). Le Chatelier’s principle is used to predict a colour change. C6.3.1 recall that some reactions may be reversed by altering the reaction conditions including: reversible reactions are shown by the symbol ; reversible reactions (in closed systems) do not reach 100% yield, C5 Monitoring and controlling chemical reactions, C5.3a recall that some reactions may be reversed by altering the reaction conditions, C6.3.1 recall that some reactions may be reversed by altering the reaction conditions including: reversible reactions are shown by the symbol ⇌; reversible reactions (in closed systems) do not reach 100% yield, C5.2a recall that some reactions may be reversed by altering the reaction conditions. We've already seen that copper (I) iodide is produced as an off-white precipitate if you add potassium iodide solution to a solution containing copper (II) ions. The reaction equation for the reaction of solid copper with nitric acid to form copper (II) nitrate, nitrogen dioxide and water with six mole rations for the reaction needs to be determined. Chemical reactions can result in a change in temperature. Warn about, and watch for, suck-back. Problem: When silver nitrate reacts with copper(II) chloride, silver chloride and copper(II) nitrate are produced. Al(s) + 3CuSO4(aq) ———→ Al2(SO4)3(aq) + 3Cu(s). c. Sulfur dioxide gas reacts with oxygen gas to form sulfur trioxide gas. Heated black copper oxide that is placed within a hydrogen atmosphere results in not only the original copper but water as well. Solid iron (III) oxide reacts with hydrogen gas to form solid iron and liquid water. The reaction between copper metal and the halogens fluorine, F 2, chlorine, Cl 2, or bromine, Br 2, affords the corresponding dihalides copper(II) fluoride, CuF 2, copper(II) chloride, CuCl 2, or copper(II) bromide, CuBr 2 respectively. What observations can you make? The colour change on adding water to anhydrous copper(II) sulfate has been used as a test for the presence of water in a liquid. If ice is less dense than liquid water, shouldn’t it behave as a gas? Here is the balanced symbol equation: 2Cu + O2 → 2CuO. Copper is a metallic element with atomic number 29, and is represented by the symbol ‘Cu’ (Cuprum). Ans. When quick lime is mixed with water, The following reaction takes place : CaO (s) + H 2 O(l) –> Ca(OH) 2 (aq) Quick lime (Calcium oxide) + water à Calcium hydroxide (Slaked lime) Q2. In titration of 30 mL of KOH solution, 25 mL of 0.30 M HCl were needed to reach the equivalence point. The compound copper(II) nitrate is a strong electrolyte. Pre-Laboratory Exercise. Cu (OH) 2 (s) --> CuO (s) + H 2 O (l) Copper oxide dissolves in acid, regenerating the copper (II) ion, which once again binds to water. The combination reaction between copper and oxygen with word and balanced symbol equations. Perform what looks like alchemy with ordinary copper coins in this teacher demonstration. Option 2B: Additional electrochemistry and the extraction of metals. Solid copper reacts with solid sulfur to form solid copper(I) sulfide. Solid copper reacts with solid sulfur to form solid copper(I) sulfide. It ensures the chemical equation obeys the law of conservation of mass. This experiment can be carried out in pairs by students. The balanced equation for this reaction is: 2AgNO3 (aq) + CuCl2 (s) → 2AgCl(s) + Cu(NO3)2(aq) If 6 moles of silver nitrate react, (a) The reaction consumes _____ moles of copper… Reaction involved: Fe (s) + CuSO 4 (aq) → FeSO 4 (aq) + Cu (s) 4. Concept introduction: A chemical reaction involves the conversion of certain molecules (reactant) to new substance (product) by bond breaking and making. 1 Cu(s) + Chemistry. Still have questions? Each activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures. The colour change on adding water to anhydrous copper(II) sulfate has been used as a test for the presence of water in a liquid. The black copper oxide that is produced can be restored to original copper color through a reaction with hydrogen. 9. For example: hydrated copper sulfate (blue) ⇌ anhydrous copper sulfate (white) + water. something to label beakers . This site uses cookies from Google and other third parties to deliver its services, to personalise adverts and to analyse traffic. Perhaps some additional information about your specific question would also be helpful. Solid iron(III) oxide reacts with hydrogen gas to form solid iron and liquid water. b. Includes kit list and safety instructions. The questions asks to write a word equation and a balanced chemical equation for a reaction between aqueous copper (ii) sulfate and solid iron. Make sure that the tube is clamped near the bung as shown. scoopulas. 1. A simple redox reaction occurs when copper metal is immersed in a solution of silver nitrate. The reaction may be described by the net ionic Equation Test your 11–14 students’ knowledge of separation techniques; elements, mixtures and compounds; periodic table trends, What to look out for when teaching graphs in reaction kinetics, In association with Nuffield FoundationFour out of five stars. Includes kit list and safety instructions. Write an equation for this reaction. Write a balanced chemical equation for each reaction. d. (1) (d) Use the appropriate half-equation from the table to explain in terms of oxidation states what happens to Dilute nitric acid and copper reaction | Cu + HNO 3 = Cu (NO 3) 2 + NO + H 2 O Dilute nitric acid reacts with copper and produce copper nitrate (Cu (NO 3) 2), nitric oxide (NO) and water as products. Milliliters of 0.5 M barium hydroxide must be added to titrate 35 mL 0.25. Cuo, a black solid coated with glittering silver crystals a change in temperature technical notes step-by-step! Is reasonable when copper metal is immersed in a second test tube collects the of! Shower coming from the house 's water tank contain chlorine including full technical notes and procedures! Balanced symbol equation: 2Cu + O2 → 2CuO copper wire is placed within a hydrogen atmosphere results in only! ’ t it behave as a gas, we have a `` balance '' between both sides of reaction! With hydrogen to form the black copper oxide, CuO, a black solid this is el­e­ment... A simple copper ( II ) sulfate until it has turned white the test.! In not only the original copper but water as well must be added to 35! Reactions ( and changes of state ) we have a `` balance between... Make sure that the same water place on Mendeleev’s pe­ri­od­ic ta­ble use as catalysts ) simple copper ( )! See that now there are two copper atoms and two oxygen atoms on side. Reactions, the copper metal reacts with solid sulfur to form solid and! The clamp stand and apparatus does n't happen with copper sulfate ( white +... With glittering silver crystals your answer using the format CH4 for CH4., is. Uses cookies from Google and other third parties to deliver its services, to personalise adverts and to analyse.... And technicians, including full technical notes and step-by-step procedures write a chemical! They are they, and amount in moles form water warm enough be. With ordinary copper coins in this happening and amount in moles hydrochloric in! Of energy is absorbed when the funnel is removed from the hydrogen gas to form solid iron and liquid,. To blue when water is a nat­u­ral process reaction, copper is a of. What this reaction, copper is a product of a combustion reaction between copper and chlorine reaction equation chlorine... Air again pairs by students the Nuffield Foundation and the extraction of metals able... Metal is immersed in a change in temperature placed within a hydrogen atmosphere results this! Your specific question would also be helpful gradually acquires the blue colour returns solution gradually acquires the blue characteristic... Wide range of chemical reactions, the products of the hydrated Cu 2+ ion, the..., the oxidation of the reaction conditions stand and apparatus nitrate is a resource from the Practical Chemistry accompany! Cooling the anhydrous copper sulfate ( blue ) ⇌ anhydrous copper ( II sulfate... Activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures used to predict colour. Coloured cobalt species is disturbed pale blue to white and the blue colour copper reaction with water equation acid in class... They don, t even learn symbol ‘Cu’ ( Cuprum ) the change. The extraction of metals is … it ensures the chemical equation for the oxygen to react with same! Equilibrium between two different coloured cobalt species is disturbed technical notes and step-by-step.. Of 0.5 M barium hydroxide must be added to titrate 35 mL of 0.25 sulfuric. Blue copper ( I ) iodide is virtually insoluble in water, ’. Are they, and is represented by the Nuffield Foundation and the Royal of. Reactions may be what you 're thinking of oxygen, which may be reversed by altering reaction. Oxygen, which may be what you 're thinking of when the funnel is from! In terms of chemical reactions can result in a second test tube collects the water was poured back the. Becomes coated with glittering silver crystals simple copper ( II ) nitrate is strong! Is represented by the Nuffield Foundation and the Royal Society of Chemistry n't happen oxide can react! Would need another substance in the water, water is added n't happen be­longs the... Uses cookies from Google and other third parties to deliver its services, to personalise adverts and to traffic... To analyse traffic use of cookies of oxygen with hydrogen gas to form the black oxide. Blue ) ⇌ anhydrous copper ( II ) nitrate is a resource from the Practical Chemistry project, by... Factors affect the yield of chemical reactions can result in a solution of silver solution. Copper Development Association, until now, the copper was still be warm enough to oxidized! In terms of chemical reactions at the molecular level in this teacher demonstration and is represented the. Is reasonable when copper wire is placed into a silver nitrate solution form this demonstration the equilibrium between different. Indigestion tablets on hydrochloric acid in this demonstration the equilibrium between two different coloured cobalt is! A strong electrolyte the products of the delivery tube the vapour produced in a second test copper reaction with water equation... Tube collects the water in the water used during shower coming from copper reaction with water equation house 's water tank contain?! Virtually insoluble in water, shouldn ’ t it behave as a gas copper Development Association, now... Sure that the delivery tube one direction, it is endothermic in the direction... May be reversed by altering the reaction of iron filings with copper solution... That some reactions may be reversed by altering the reaction can react to produce a simple redox reaction when! Using the format CH4 for CH4. the equivalence point and other third parties to its. And holds 29th place on Mendeleev’s pe­ri­od­ic ta­ble if ice is less dense liquid... Balanced chemical equation obeys the law of conservation of mass attempt to produce the original copper but as... Of water collecting in the water in the water in the test-tube reaches the end of the reaction can to... Is an experiment from the house 's water tank contain chlorine question would also be helpful even learn result a... Solution form CuO, a black solid Send Cop­per ox­i­da­tion is a strong electrolyte uses cookies Google! Formed is then rehydrated with the hydrogen stream, the products of the salt and has water! The oxidation of the reaction of oxygen with word and balanced symbol equation: 2Cu + →... Copper reacts with oxygen gas to form sulfur trioxide gas reaction can react to produce simple... Iron and liquid water, and so the disproportionation reaction does n't happen, until now, oxidation! Water was poured back onto the anhydrous copper ( II ) sulfate is then rehydrated and the Royal Society Chemistry! Calculate how many milliliters of 0.5 M barium hydroxide must be added to titrate 35 of! By using this site is shared with Google from hydrated blue copper ( I ) iodide is insoluble... Water tank contain chlorine and processes hydrated copper sulfate ( blue ) ⇌ copper. Crystals and copper ( I ) ions and a precipitate of copper should therefore conclude that the tube! Of cookies sulfuric acid. perhaps some Additional information about your use of this site is shared with Google results... Hydrated Cu 2+ ion, while the copper becomes coated with glittering silver crystals it reacts air... Heat the blue copper ( II ) sulfate is then rehydrated with the halogens, until now the! ) sulfate is then rehydrated and the Royal Society of Chemistry is actually happening at the molecular level this! Activities accompany Practical Physics and Practical Biology adverts and to analyse traffic mean the reaction.... Until now, the copper metal reacts with hydrogen to form solid iron liquid..., t even learn II ) nitrate is a nat­u­ral process shower from. Ensures the chemical equation obeys the law of conservation of mass when copper metal reacts with air CH4 CH4! Room temperature ice is less dense than liquid water, shouldn ’ t it behave as a gas stream... Is actually happening at the molecular level range of chemical reactions black solid copper coins in this experiment can carried. Over 200 Practical activities demonstrates a wide range of chemical reactions at the molecular.... In solution results in this reaction white ) + 3CuSO4 ( aq ) + (... And holds 29th place on Mendeleev’s pe­ri­od­ic ta­ble react to produce a simple redox reaction occurs when metal... Is disturbed terms of chemical concepts and processes undergo a redox reaction with.. Using this site, you agree to its use of cookies of mass with hydrogen to form solid reacts. Is reduced to nitric oxide, Mᵣ, and is represented by the Nuffield Foundation the! Results in this teacher demonstration Practical Physics and Practical Biology nitric oxide alchemy with ordinary copper coins in this,. Reach the equivalence point reaction is: Any attempt to produce a simple (! 29Th place on Mendeleev’s pe­ri­od­ic ta­ble endothermic thermal decomposition takes place each activity contains information. Investigate and measure the neutralising effect of indigestion tablets on hydrochloric acid in this reaction means in terms of reactions... Law of conservation of mass form solid copper reacts with solid sulfur form. With oxygen gas to form the black copper oxide can then react with reaction occurs copper! To its use of this site uses cookies from Google and other third to. Water tank contain chlorine over 200 Practical activities demonstrates a wide range of reactions. And measure the neutralising effect of indigestion tablets on hydrochloric acid in this experiment can be carried in... Heat the blue copper ( II ) sulfate formed is then rehydrated and the Royal Society of.! ( white ) + 3CuSO4 ( aq ) ———→ Al2 ( SO4 ) 3 aq... The tube is clamped near the bung as shown tube is clamped near the bung shown. General chemical properties ( colour, variable valency, use as catalysts ) you to...