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21: Which of the following equations explains why this reaction forms a hydroxide upon the addition of ammonia? NH3 + H2O= NH4+ + OH- Co(OH)2(s) + 6 NH3(aq) [Co(NH3)6]2+(aq) + 2 OH-(aq) [Co(OH2)6]2+(aq) + 2 OH-(aq) = Co(OH)2(s) + 6 H20() 22: How c

21: Which of the following equations explains why this reaction forms a hydroxide upon the addition of ammonia? NH3 + H2O= NH4+ + OH- Co(OH)2(s) + 6 NH3(aq) [Co(NH3)6]2+(aq) + 2 OH-(aq) [Co(OH2)6]2+(aq) + 2 OH-(aq) = Co(OH)2(s) + 6 H20() 22: How c

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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can you please help me out with these chem multiple-choice questions?

 

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rrouuct Find the question number in the cobalt scheme above and answer the following questions: Q1: Which of the following equations explains why this reaction forms a hydroxide upon the addition of ammonia? NH3 + H2O= NH4+ + OH- Co(OH)2(s) + 6 NH3(aq) [Co(NH3)6]2+(aq) + 2 OH-(aq) 02: How co [Co(OH2)6]2+(aq) + 2 OH-(aq) = Co(OH)2(s) + 6 H2O() Q3: Are these reactions reversible? Which arrows should you use? Q4: Are these reactions reversible? Which arrows should you use? Q5: What would the counter ions be? Find the question number in the cobalt scheme above and answer the following questions: Q1: Which of the following equations explains why this reaction forms a hydroxide upon the addition of ammonia? Q2: How could you reverse this reaction? Add NaOH Q3: Are these reactions reversible? Which Add AGNO3 Dilute with H20 04: Are these reactions reversible? Which Add HCI Q5: What would the counter ions be? Find the question number in the cobalt scheme above and answer the following questions: Q1: Which of the following equations explains why this reaction forms a hydroxide upon the addition of ammonia? Q2: How could you reverse this reaction? Q3: Are these reactions reversible? Which arrows should you use? Yes, No, = Yes, - No, - Q4: Are these reactions reversible? Which arrows should you use? Q5: What would the counter ions be? Find the question number in the cobalt schemeodve and answer the following questions: Q1: Which of the following equations explains why this reaction forms a hydroxide upon the addition of ammonia? Q2: How could you reverse this reaction? Q3: Are these reactions reversible? Which arrows should you use? Q4: Are these reactions reversible? Which arrows should you use? Yes, No.= Q5: What would the counter ions be? Yes, - No, . + FIIU Ue quesuon numDer m he covaIl SCneme aDuve anu aSwer uie TonUWIng quesuUIS. Q1: Which of the following equations explains why this reaction forms a hydroxide upon the addition e ammonia? Q2: How could you reverse this reaction? Q3: Are these reactions reversible? Which arrows should you use? Q4: Are these reactions reversible? Which arrows should you use? Q5: What would the counter ions be? Bromide Ammonia Chloride Hydroxide
Transcribed Image Text:rrouuct Find the question number in the cobalt scheme above and answer the following questions: Q1: Which of the following equations explains why this reaction forms a hydroxide upon the addition of ammonia? NH3 + H2O= NH4+ + OH- Co(OH)2(s) + 6 NH3(aq) [Co(NH3)6]2+(aq) + 2 OH-(aq) 02: How co [Co(OH2)6]2+(aq) + 2 OH-(aq) = Co(OH)2(s) + 6 H2O() Q3: Are these reactions reversible? Which arrows should you use? Q4: Are these reactions reversible? Which arrows should you use? Q5: What would the counter ions be? Find the question number in the cobalt scheme above and answer the following questions: Q1: Which of the following equations explains why this reaction forms a hydroxide upon the addition of ammonia? Q2: How could you reverse this reaction? Add NaOH Q3: Are these reactions reversible? Which Add AGNO3 Dilute with H20 04: Are these reactions reversible? Which Add HCI Q5: What would the counter ions be? Find the question number in the cobalt scheme above and answer the following questions: Q1: Which of the following equations explains why this reaction forms a hydroxide upon the addition of ammonia? Q2: How could you reverse this reaction? Q3: Are these reactions reversible? Which arrows should you use? Yes, No, = Yes, - No, - Q4: Are these reactions reversible? Which arrows should you use? Q5: What would the counter ions be? Find the question number in the cobalt schemeodve and answer the following questions: Q1: Which of the following equations explains why this reaction forms a hydroxide upon the addition of ammonia? Q2: How could you reverse this reaction? Q3: Are these reactions reversible? Which arrows should you use? Q4: Are these reactions reversible? Which arrows should you use? Yes, No.= Q5: What would the counter ions be? Yes, - No, . + FIIU Ue quesuon numDer m he covaIl SCneme aDuve anu aSwer uie TonUWIng quesuUIS. Q1: Which of the following equations explains why this reaction forms a hydroxide upon the addition e ammonia? Q2: How could you reverse this reaction? Q3: Are these reactions reversible? Which arrows should you use? Q4: Are these reactions reversible? Which arrows should you use? Q5: What would the counter ions be? Bromide Ammonia Chloride Hydroxide
Electronic Waste Cobalt Equilibria Scheme - Part A Add NH3 (conc.) dropwise Compound formed: [Co(NH3)6]Cl2 Add one drop of NH3 (0.5 M) Compound formed: Co(OH)2 Q1 Add 1-2 mL HCI (conc.) Compound formed: [CoCl,]2 |(Blue) Q2 Add NaOH (0.5 M) dropwise Compound formed: ? Add 2 drops of NaOH (conc.) Compound formed: ? Start here. Start with 0.5 mL of [Co(H,O),]Cl, (0.1 M) Q3 Q4 Add NH3 (4 M) dropwise Compound formed: [Co(NH3)4P* Add HCI (conc.) dropwise Compound formed: [CoCl,12- Dilute with water Compound formed: ? Start with 3 drops of NH3 |(conc.) Add 3 drops [Co(H,O)6]Cl2 (0.1 M) Compound formed: [Co(NH3)6l* Q5 Find the question number in the cobalt scheme above and answer the following questions: Q1: Which of the following equations explains why this reaction forms a hydroxide upon the addition of ammonia? Q2: How could you reverse this reaction? Q3: Are these reactions reversible? Which arrows should you use? Q4: Are these reactions reversible? Which arrows should you use? Q5: What would the counter ions be?
Transcribed Image Text:Electronic Waste Cobalt Equilibria Scheme - Part A Add NH3 (conc.) dropwise Compound formed: [Co(NH3)6]Cl2 Add one drop of NH3 (0.5 M) Compound formed: Co(OH)2 Q1 Add 1-2 mL HCI (conc.) Compound formed: [CoCl,]2 |(Blue) Q2 Add NaOH (0.5 M) dropwise Compound formed: ? Add 2 drops of NaOH (conc.) Compound formed: ? Start here. Start with 0.5 mL of [Co(H,O),]Cl, (0.1 M) Q3 Q4 Add NH3 (4 M) dropwise Compound formed: [Co(NH3)4P* Add HCI (conc.) dropwise Compound formed: [CoCl,12- Dilute with water Compound formed: ? Start with 3 drops of NH3 |(conc.) Add 3 drops [Co(H,O)6]Cl2 (0.1 M) Compound formed: [Co(NH3)6l* Q5 Find the question number in the cobalt scheme above and answer the following questions: Q1: Which of the following equations explains why this reaction forms a hydroxide upon the addition of ammonia? Q2: How could you reverse this reaction? Q3: Are these reactions reversible? Which arrows should you use? Q4: Are these reactions reversible? Which arrows should you use? Q5: What would the counter ions be?
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