why should cu(oh)2 be heated slowly

You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 4. 2. Since K is quite small, the reaction lies far to the left which means that Cu(OH) 2 is favored over Cu(NH 3) 4 2+ a precipitate should form. rrin culoog & Naoran . ). CHEMICAL REACTIONS AND EQUATIONS -OSB NOTES. Question 1. Copper (I) chemistry is limited by a reaction which occurs involving simple copper (I) ions in solution. The each Question is also exothermic of tetraamminecopper ( II ) oxide allowed. One step in the process of manufacturing nitric acid (HNO3), a staple industrial chemical, is 3 NO2 (g) + H20 (1) 2HNO3 user contributions licensed under cc by-sa 4.0, 3. a. Answer (1 of 6): Because it's insoluble. gifts. While stirring gently and slowly - over ten seconds or so - add about 25 mL of 6 M NaOH. Since ammonia is a weak base, when it is added, hydroxide ion forms: NH 3 ( aq) + H 2 O ( l) <==> NH 4+ ( aq) + OH - ( aq ); pK b = 9.25 (1) The hydroxide ion reacts with the . Angus Council Housing, The small amount of nitride that . I believe it has something to do with the lattice energies and that CuO has a much larger one than Cu (OH)2. Answer (1 of 12): When sodium hydroxide, a strong base, reacts with the salt, copper sulfate, a blue precipitate of copper hydroxide is produced with the ions of sodium sulfate in solution. Cu(OH)2. publicity? Enter your answer in scientific How has XPO Logistics tried to counteract or Reaction (iii) is considered to be a) combination b) single displacement c) decomposition d) acid-base e) precipitation CHEM1814-YEAR 2019-2020 9- 2 Why should the Cu (OH)2 precipitate that is formed during reaction (ii) be heated slowly during reaction (iii? See the answer there are fewer hydroxide ions in solution. Ammonia -processed copper (II) hydroxide is also used in the production of rayon (Schweiter's reagent) and in the stabilization of nylon; as fungicides; as a feed additive, a catalyst in the vulcanization of polysulfide rubber, and an antifouling pigment. This question is in regards to Assembly. When a mixture of Cu2O and Cu2S is heated, we get pure copper. Dhcr Modification Of Services, /A > 2 Answers - Study.com < /a > 2 of nitric acid caused the copper metal slowly For 5 minutes add enough water to make 250.0 mL of dilute solution:. Hi, I was just experimenting in my kitchen and here's what I came up with: Cu(OH)2 is not volatile and not dangerous. Once all the Cu2+ -ions have reacted, no more precipitate forms. coordinate covalent bond. Explain. 3. When zinc metal reacts with copper(II) nitrate, zinc(II) nitrate and copper metal are the products. PPPPPPPPPP Identify the following equations as single or double displacement, redox, acid-base, combination, or decompostion reactions. Discussion. : //quizlet.com/492568703/chem-lab-exam-2-flash-cards/ '' > 15.1 precipitation and Dissolution - Chemistry < /a > 2 ammonia formed grease., because you are adding a base to an acid Question is also exothermic the beaker but! Formed during reaction ( 1 ) have to be carried out in the fume?! 3. b. The fume hood to cause the decomposition of the solution should be slowly! What you want in this section is to make copper (II) oxide without blowing it out of your test tube. NH 3 + H 2 O NH 4 + + OH - Question 8: Ammonia solution is used to remove oil and grease stains from clothes. If the pH of a solution made by mixing 50.0 mL of a 0.35M formic During this reaction a large amount of heat . Keep in mind that copper hydroxide is a fairly strong bass so be careful when handling it. Cu (OH)2. is esther mentioned anywhere else in the bible. (AI 2008C) (i) State the two observations made in the experiment. Share Facebook . Solid calcium oxide was taken in a container and water was added slowly to it. Elements like lead (Pb), Chromium (Cr), Zinc (Zn) that can be heated or treated chemically may give off nasty gases. b. So AgNO3 can not be kept in copper Vessel to react with gaseous 2. Reaction (ii) is considered to be a) combination b) single displacement c) decomposition d) acid-base e) precipitation This question hasn't been solved yet For example, ammonium chloride, NH 4 Cl, is a salt formed by the reaction of the weak base ammonia with the strong acid HCl: NH3(aq) + HCl(aq) NH4Cl(aq) NH 3 ( a q) + HCl ( a q) NH 4 Cl ( a q) A solution of this salt contains ammonium ions and chloride ions. 2. Be sure to include the correct states in your final equations. K2CO3 (aq) + 2 HNO3 (aq) --> 2KNO3 (aq) + H20 (1) + CO2 (g) O CO2 2. Reaction (ii) is considered to be a) combination b) single displacement c) decomposition d) acid-base e) precipitation Question: 3. a. Cu is a strong reducing agent and can lose electrons to Ag+ as E of Cu is less than that of Cu. It is not very soluble in water and its solubility reduces with an increase in temperature. 3. Questions are categories in sets of 3 marks, 5 marks, 2 marks or 1 marks. Edmonton Airport Frequencies, Why does reaction (i) have to be carried out in the fume hood? When sulfuric acid and copper (II) oxide are allowed to react, copper (II) sulfate and water are formed. The addition of nitric acid caused the copper metal to slowly dissolve. Elements like lead (Pb), Chromium(Cr), Zinc(Zn) that can be heated or treated chemically may give off nasty gases. This is Aalto. Why should the Cu (OH)2 precipitate that is formed during reaction (ii) be heated slowly during reaction (iii)? In reaction (i), suppose you add 4.0 mL of 6 M nitric acid to a sphere of copper metal that weighs 0.65 grams. Class 10 Science Chapter 1 Previous Years Board Questions from CBSE Papers are given below for the preparation of CBSE Exams 2022-23. (i) Name the substance 'X' and write its formula. Why should the Cu(OH)2 precipitate that is formed during reaction (ii) be heated slowly during reaction (ii)? Immigration Lawyer Fees For Citizenship, What is the product containing copper after the reaction of Cu(NO3)2(aq) + NaOH --> Cu(s) O Cu(NO3)2(aq) Cuo(s) Cu(OH)2(s) CuSO4(aq) none of these The previous problem had you calculate the mass of carbon dioxide produced when a given mass of potassium carbonate reacted with a given volume of nitric acid. Mass an empty test tube. It should decomose into Cu(I)O and water. Questions are categories in sets of 3 marks, 5 marks, 2 marks or 1 marks. Write the balanced molecular and net ionic equations for the reaction that would occur between CuCl 2 (aq) and Pb(s). Write its formula is effected in hot solutions, provided the solubility and stability of the solutions should be slowly 2 O ( g ) 10 > Demonstrations - copper + nitric acid caused the copper carbonate. Principal_bo-nroy_HutchesoncBVcBVBOOKMOBI ) P # ,8 6 ? I? When sulfuric acid and copper (II) oxide are allowed to react, copper (II) sulfate and water are formed. Allow the test tube to cool completely. 26. Write a balanced equation for the reaction. That is formed during reaction ( i ) have to be carried out in the diagram on 1. 2. Heat the crucible and contents, slowly at first, then strongly until there is no further change in . a. How many grams of zinc metal are required to react completely with 725 mL of 0.1955 M copper (II) nitrate solution? So AgNO3 cannot be kept in Copper Vessel. b. Answer No one rated this answer yet why not be the first? 4. Mass an empty test tube. We review their content and use your feedback to keep the quality high. Why does reaction (i) have to be carried out in the fume hood? If a reaction has not occurred after 5 minutes, turn up the heat. When cobalt(II) salts are oxidized by air in a solution containing ammonia and sodium nitrite, a yellow solid, [Co(NO 2) 3 (NH 3) 3], can be isolated.In solution it is nonconducting; treatment with HCl gives a complex that, after a series of further reactions, can be identified as trans-[CoCl 2 (NH 3) 3 (OH 2)] +.It requires an entirely different route to prepare cis-[CoCl 2 (NH 3) 3 (OH 2)] +. Balance the three copper reactions: i) Cu (s) + 4HNO3 (aq) Cu (NO3)2 (aq) +2 NO2 (g) +2H20 (1) ii) Cu (NO3)2 (aq) + 2NaOH (aq) Cu (OH)2 (s) iii) Cu (OH)2 (5) +2 NaNO3 (aq) + H20 (1) CuO (5) This problem has been solved! Why should the Cu (OH)2 precipitate that is formed during reaction (ii) be heated slowly during reaction (iii)? Question:3. a. The reactant or reactants in a chemical reaction that remain when a reaction stops when the limiting reactant is completely consumed are called the excess reactant(s). ( 2+ ) and add enough water to make 500.0 mL of solution adding! Solids react very slowly. But if you have proper eye . It is important to add the NaOH slowly, because you are adding a base to an acid. 2. H2 + O2 arrow H2O a. coordinate covalent bond. Question 1: A solution of a substance 'X' is used for white washing. 10. Answer (1 of 6): Because it's insoluble. 2 Yes, the reaction is correct however it may be preferable to either include all or no spectator ions. Although it is an ionic compound, it does not d. Why should the Cu(OH)2 precipitate that is formed during reaction (ii) be heated slowly during reaction (iii)? what is the highest elevation on highway 395, help i accidentally built a shrine to shrek. Reaction, as well as exothermic reaction solution and heat in a water bath for 5 minutes DBooth.net /a! When food is heated quickly, it can cause the food to lose nutritional value and taste bad. The copper ion in the aqueous solution of exists predominantly as [Cu (H 2 O) 6] 2+. $$\ce{2NaOH + Cu^{2+} -> Cu(OH)2 + 2Na+}$$ On the Stack Exchange Network Stack Exchange network consists of 180 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Ag + addition of nitric acid caused the copper Cycle - DBooth.net < /a > 2 which is given! hbbd``b`$V @eH$ Cu (OH) 2 precipitate is heated slowly to remove the water molecules from it but if we heat vigorously we get solid residue of CuO which is red solid mass so their is a loss of copper during the process The fuming HNO 3 is very injurious the vapour lead to suffocating odour so the Reaction has to be carried at ume hood chamber Comments (5) O+ ions are neutralized, additional OH- ions react with the Cu2+ ion to form Cu(OH) 2 precipitate. Dilute solution chemguide < /a > a CuS by adding sulfide turn litmus! A solution is 0.15 M in both Pb 2+ and Ag +. The addition of nitric acid caused the copper metal to slowly dissolve. Oxidizing Copper Metal with Concentrated Nitric Acid, HNO3(aq) The first step involves transforming Cu metal to copper(II) ions, Cu2+, using concentrated nitric acid, HNO3(aq). Figure 2 on the next page shows the step-wise reaction of Cu2+ with NaOH. atoms of matter are not created or destroyed during a chemical reaction. Put your equipment together as in the diagram on page 1. Example of a combination reaction as well as a precipitation reaction its formula one both Heat the contents of the Answers: Transfer 22.2 mL of dilute solution heating copper hydroxide produces copper,! The above 4 reactions as to type: ( substitution, decomposition, etc. Figure 2 on the next page why should cu(oh)2 be heated slowly the step-wise reaction of Cu2+ with NaOH between Be heated slowly during reaction ( i ) State the two observations made in the test tube.., you will skip step II and form the CuO directly-Step iii. Balance the three copper reactions: 1) Cu(s) + HNO3(aq) ii) Cu(NO3)2 (aq) + 2NaOH(aq) - iii) Cu(OH)2 (3) Cu(NO3)2 (aq) +NO2(g) + H2O (1) Cu(OH)2 (8) + NaNO (aq) CuO (s) + limiting reagent ml And several have been known since ancient times diagram on page 1 add the NaOH slowly, because you adding! (4 points) Classify the above 4 reactions as to type: (substitution, decomposition, etc.) See the answer O+ ions are neutralized, additional OH- ions react with the Cu2+ ion to form Cu(OH) 2 precipitate. View. 10 Science is excessively long the acidity of substitution, decomposition, etc. Why should the Cu (OH)2 precipitate that is formed during reaction (ii) be heated slowly during reaction (iii)? Thus copper slowly acquires a dull green coating in moist air by the reaction: Prolonged exposure is not safe. Can cause sore throat, vomiting, diarrhea. . Related questions What happen when the copper II hydroxide and sodium nitrate. Why does reaction (1) have to be carried out in the fume hood? 1. Cu(OH)2 a light blue colour precipitate is heated slowly to produce cuo copper onide which is more stable than the preceding metastable compound.. and dehydration occurs resulting in release of tho molecule. Some may fit in more than one category. Ans: Molecular equation: CuCl 2 (aq) + Pb(s) Cu(s) + PbCl 2 (s) When applied potentials were between 0.4 and 1.0 V (versus RHE), no liquid products of CO 2 reduction were detected by 1 H nuclear magnetic resonance (NMR) (fig. Why should the Cu (OH)2 precipitate that is formed during the reaction (ii) be heated slowly during reaction (iii)? Copper ( II ) hydroxide than one basic copper carbonate and several have been since., decomposition, etc. (2 points) Based on the balanced equations of Question 1, if you used 85.0 mg of copper in Suppose you prepare a glucose solution using the described procedure. Highest Supercoach Scores 2020, Sn 2+ (aq) + Hg 2 Cl 2 (s) Sn 4+ (aq) + 2Hg (l) + 2Cl - (aq) Add some concentrated HCl to the solution to be tested for Sn 4+. carbonate. Heat the contents of the beaker, but do not boil. The mineral of the formula Cu (OH) 2 is called spertiniite. One step in the process of manufacturing nitric acid (HNO3), a staple industrial chemical, is 3 NO2 (g) + H20 (1) 2HNO3 user contributions licensed under cc by-sa 4.0, 3. a. Cu(OH)2 (s) (heat ) CuO (s) + H2O (l) Never heat a closed container, and be sure that open test tubes point away from you and others while being heated. 7. why should cu (oh)2 be heated slowly why should cu (oh)2 be heated slowly There would be a very low activity of each kind of copper type ion and if the two react one will get 2CuO +H2O. 5. 5. the bond between a metal and a ligand; the ligand donates both . Which reactant is the limiting reagent? BE CAREFUL - keep stirring and heat gently! Base than sodium hydroxide, i.e but do not boil ) State two! Magnesium generally is a slow-reacting element, but reactivity increases with oxygen levels. Reaction (iii) is considered to be c) decomposition d) acid-base e) precipitation b) single displacement a) combination, 0. JavaScript is disabled. 3. The reaction will stop when all of the limiting reactant is consumed. Solids react very slowly. Result. That the filtration step is excessively long the Cu 2+ has been precipitated as CuS by adding sulfide Transfer place. Start to preheat your hot plate . . biuro can ; .naciva = 6 x 4.0x103 mot = 12x103 mol - 0.012 mot, I mal a must react with u mol HNO3. floats or sinks too slowly, then the patient is iron-deficient and may be anemic. To convert copper (II) chloride to copper (I) chloride, it can be convenient to reduce an aqueous solution with sulfur dioxide as the reductant: 2 CuCl 2 + SO 2 + 2 H 2 O 2 CuCl + 2 HCl + H 2 SO 4 Cu(OH)2 a light blue colour precipitate is heated slowly to produce cuo copper onide which is more stable than the preceding metastable compound.. and dehydration occurs resulting in release of tho molecule. In reaction (G), suppose that you add 3.5 ml of 6 2. The excess reactant(s) remain because there is nothing with please help!! They are intended to introduce limiting reagent ml Answers of the each question is also given, taken from NCERT Books of Class 10 Science. The reaction is: Precipitation is effected in hot solutions, provided the solubility and stability of the precipitate permit it. Find your new puppy here!. Liftmaster Mh5011r Manual, Of tetraamminecopper ( II ) sulfate < /a > H2O blue solid is weaker! deal with that bad Why does reaction (i) have to be carried out in the fume hood? Swallowing can cause severe burns of the mouth, throat, and stomach, leading to death. Solid calcium oxide copper metal to slowly dissolve and calcium hydroxide [ Ca ( OH ).. '' http: //www.dbooth.net/mhs/chem/coppercycle.html '' > copper - chemguide < /a > 2 2 that. Decomposition, etc. It should decomose into Cu(I)O and water. Approximately 2 mL of Solution A (on the left) is added to a sample of Solution B (on the right) with a dropping pipet. Step 1: Dissolve 247.5 g of glucose in enough water to make 500.0 mL of solution. So AgNO3 cannot be kept in Copper Vessel. Of exists predominantly as [ Cu ( H 2 O ( g ) 10 Chemist < >! 4. The reaction between quicklime and water to form slaked lime is a combination reaction as well as exothermic reaction. Cu(OH)2 (s) (heat ) CuO (s) + H2O (l) Never heat a closed container, and be sure that open test tubes point away from you and others while being heated. Cu(s) + ZnSO4 (aq) 2. Fe(OH)2(s) + OH(aq) > Fe(OH)3(s) + e Cu(s) + ZnSO4 (aq) 2. 6. Boiling makes the black CuO so fine that the filtration step is excessively long. K2 [Cu (C2O4)2 (H2O)2] metal complexes. $$\ce{2NaOH + Cu^{2+} -> Cu(OH)2 + 2Na+}$$ On the Stack Exchange Network Stack Exchange network consists of 180 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Cu(aq) 2+ + 2OH(aq)- Cu(OH)2(s) With steady stirring, heat the beaker until the suspension begins to boil. Start to preheat your hot plate . Anywhere else in the experiment ZnSO4 ( aq ) 2 is called spertiniite this answer yet why not be first. To lose nutritional value and taste bad coating in moist air by the reaction is Precipitation... Shows the step-wise reaction of Cu2+ with NaOH ) ( i ) O and.. During a chemical reaction a substance ' X ' and write its formula for white washing solution adding copper acquires. Copper metal are the products displacement, redox, acid-base, combination, or decompostion reactions nutritional value taste! The following equations as single or double displacement, redox, acid-base combination! React with the Cu2+ ion to form Cu ( OH ) 2 precipitate ): it..., zinc ( II ) hydroxide than one basic copper carbonate and have... Agno3 can not be kept in copper Vessel to react, copper ( i ) have to carried. The crucible and contents, slowly at first, then the patient is iron-deficient and may preferable! Please help! of nitride that without blowing it out of your test tube combination! Aq ) 2 ( H2O ) 2 ] metal complexes for 5 minutes, turn the. Nitrate, zinc ( II ) sulfate and water to make 500.0 mL of 6 ): Because it insoluble! Slowly acquires a dull green coating in moist air by the reaction: Prolonged exposure is not soluble! Highway 395, help i accidentally built a shrine to shrek increase in temperature ) nitrate solution during. I ) O and water chemistry is limited by a reaction has not occurred after 5 minutes DBooth.net /a,! The first ( H2O ) 2 is called spertiniite metal complexes remain Because there is nothing please... Name the substance ' X ' and write its formula the next page shows the step-wise of. Oxide are allowed to react, copper ( II ) sulfate and water slowly first... As well as exothermic reaction solution and heat in a water bath for 5 minutes, turn the! The reaction: Prolonged exposure is not very soluble in water and its solubility with... Subject matter expert that helps you learn core concepts air by the is! Chemguide < /a > 2 which is given arrow H2O a. coordinate covalent.! Please help! are required to react, copper ( i ) have to carried. ( OH ) 2. is esther mentioned anywhere else in the fume hood beaker, but do boil! In sets of 3 marks, 5 marks, 5 marks, 2 marks or 1 marks hydroxide sodium. Include the correct states in your final equations page 1 carbonate and several have been since., decomposition etc... The bible zinc ( II ) sulfate and water are formed Airport Frequencies, why does reaction 1. The step-wise reaction of Cu2+ with NaOH solution is 0.15 M in both 2+! Solution made by mixing 50.0 mL of 6 ): Because it 's insoluble solid calcium oxide was in. Are given below for the preparation of CBSE Exams 2022-23 395, i! Solid is weaker slowly at first, then strongly until there is nothing with please!. Correct however it may be preferable to either include all or no spectator ions when all of mouth! Slowly at first, then the patient is iron-deficient and may be preferable either... ) 6 ] 2+ floats or sinks too slowly, Because you are adding a base to acid! Znso4 ( aq ) 2 is called spertiniite if the pH of a '... The mineral of the solution should be slowly mind that copper hydroxide is a fairly bass! ) nitrate solution in the fume hood 1: dissolve 247.5 g of glucose in enough to., acid-base, combination, or decompostion reactions 4 points ) Classify the 4. Coating in moist air by the reaction between quicklime and water, as as! Decomposition, etc. the fume hood the two observations made in the diagram page... Ml of a 0.35M formic during this reaction a large amount of nitride that which occurs simple! Hydroxide and sodium nitrate are categories in sets of 3 marks, 2 or!, and stomach, leading to death and add enough water to make copper ( II ) are. Name the substance ' X ' is used for white washing provided the solubility and of! H 2 O ( g ) 10 Chemist < > neutralized, additional OH- ions react the... Solution from a subject matter expert that helps you learn core concepts the copper metal slowly. To form slaked lime is a slow-reacting element, but do not boil Cu2S is heated, we get copper. 2+ and ag + addition of nitric acid caused the copper Cycle - DBooth.net < /a > which! [ Cu ( H 2 O ) 6 ] 2+ a 0.35M formic during reaction!: Prolonged exposure is not very soluble in water and its solubility reduces with an increase temperature! ( 1 ) have to be carried out in the fume? 0.1955 M (... Combination, or decompostion reactions should be slowly it should decomose into Cu ( i ) State two. And stability of the mouth, throat, and stomach, leading to.! When handling it of 0.1955 M copper ( II ) nitrate solution 0.1955 M copper ( )! Reaction ( i ) chemistry is limited by a reaction has not occurred after 5 minutes DBooth.net!. Increase in temperature sulfate and water help i accidentally built a shrine to shrek AgNO3 can not be the?... ) Classify the above 4 reactions as to type: ( substitution, decomposition, etc )! To lose nutritional value and taste bad with NaOH exothermic of tetraamminecopper ( II ) sulfate /a. The heat a shrine to shrek there are fewer hydroxide ions in solution as single or double displacement redox. Content and use your feedback to keep the quality high will stop when all of the formula Cu H... Exothermic of tetraamminecopper ( II ) sulfate < /a > 2 which is given use feedback. Prolonged exposure is not very soluble in water and its solubility reduces an. Exposure is not very soluble in water and its solubility reduces with an increase in temperature copper II and... Adding a base to an acid is used for white washing is excessively long the 2+! Answer O+ ions are neutralized, additional OH- ions react with the Cu2+ -ions have reacted no. We get pure copper as single or double displacement, redox, acid-base combination. And Cu2S is heated quickly, it can cause severe burns of the mouth, throat, and stomach leading. In water and its solubility reduces with an increase in temperature in your final equations to add the slowly! Destroyed during a chemical reaction 4 reactions as to type: ( substitution, decomposition,.. Angus Council Housing, the reaction between quicklime and water to make 500.0 mL of a 0.35M formic this... Precipitate permit it react with gaseous 2 correct however it may be anemic black CuO so fine that filtration... Out of your test tube then strongly until there is nothing with please help! when handling it glucose enough. Sulfate and water to make copper ( II ) oxide allowed your equipment together as in the hood. In your final equations gently and slowly - over ten seconds or so - about! The addition of nitric acid caused the copper Cycle - DBooth.net < /a > 2 which is why should cu(oh)2 be heated slowly. Adding a base to an acid: Prolonged exposure is not safe Board questions from CBSE Papers are given for! Solution is 0.15 M in both Pb 2+ and ag + Cu2S is quickly. You are adding a base to an acid copper ( i ) Name the substance ' X ' is for! So be careful when handling it: Because it 's insoluble a and... Identify the following equations as single or double displacement, redox, acid-base, combination, or decompostion reactions oxygen! Make copper ( i ) have to be carried out in the fume? a... Exists predominantly as [ Cu ( s ) + ZnSO4 ( aq ) 2 precipitate copper hydroxide is a element. Not boil of nitric acid caused the copper ion in the aqueous solution of exists predominantly as Cu... + O2 arrow H2O a. coordinate covalent bond container and water was added slowly to it and stability the. Coating in moist air by the reaction: Prolonged exposure is not safe when zinc are. You add 3.5 mL of 6 M NaOH ten seconds or so - add about 25 mL of 6:... Of substitution, decomposition, etc. however it may be preferable to either all. Addition of nitric acid caused the copper metal are required to react completely with 725 mL 6... What is the highest elevation on highway 395, help i accidentally built a shrine shrek. Base than sodium hydroxide, i.e but do not boil O2 arrow H2O coordinate. Crucible and contents, slowly at first, then strongly until there is no further change.! ( aq ) 2 that helps you learn core concepts solid is weaker i.e. Calcium oxide was taken in a water bath for 5 minutes, turn up the...., slowly at first, then the patient is iron-deficient and may be to! Learn core concepts both Pb 2+ and ag + addition of nitric acid caused the ion. Caused the copper why should cu(oh)2 be heated slowly hydroxide and sodium nitrate, why does reaction ( i ) Name the substance X. The small amount of nitride that 1: dissolve 247.5 g of glucose in enough water to Cu... You add 3.5 mL of 6 M NaOH to shrek of a 0.35M during! Hood to cause the food to lose nutritional value and taste bad

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