![Questions 1. Give the color for each of the following. a. Agci b. Bi metal c. Bi(OH)3 d. [Cu(NH3)4] e. (Ag(NH3)2) 2. a. What](http://img.homeworklib.com/questions/474ef030-70b9-11ea-9b53-cdc326fae031.png?x-oss-process=image/resize,w_560)
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1.![as agce : write b) Be metal : silver Pink c) Bi (OH)3 : White d) [Cu (NH3)4]2+ & Dark Blue e) [Ag (NH3)2]* • Colowseless solu](http://img.homeworklib.com/questions/47d296b0-70b9-11ea-b92a-2beb3e4e0607.png?x-oss-process=image/resize,w_560)
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Questions 1. Give the color for each of the following. a. Agci b. Bi metal c....
3. a. What happens in Part Fl if conc NaOH is substituted for conc NH4OH? b....
3. a. What happens in Part Fl if conc NaOH is substituted for conc NH4OH? b. What happens to the precipitate in Part F1 if conc HCl is added? 3. Dissolve the Cu2+ and Bil Sulfides. Add 15 drops of 6 M HNO3 to the precipitate from Part E.2 and carefully heat with a direct flame until the precipitates dissolve. (Caution: make sure the test tube is pointed away from all other students while heating). Cool and centrifuge. Save the...
6. On the diagram at the right of titration of a weak acid by a strong...
6. On the diagram at the right of titration of a weak acid by a strong base, what is represented by the point A? A. the 50:50 buffer mixture B. the stoichiometric point C. mL added base D. the buffer zone E solution of strong base 7. Which of the following has the best buffer capacity? A. 0,2 M NH /0.2 M NHẠC B. 0.5 M HCI/O.5 M KCI C. 1.0 M HCI/1.0 M NACI D. 1.0 M HCI/1.0 M...
5. Which of the following species is amphiprotic in aqueous solution? (a) CH3NH2 c) NH4 (e)...
5. Which of the following species is amphiprotic in aqueous solution? (a) CH3NH2 c) NH4 (e) HSO (d) F (b) Н:0" 6, Use Table 15.2 (page 529) to decide whether the species on the left or those on the right are favored by the reaction. a. NH4 (aq) + H2PO4" (aq) # NH3(aq) + HsPO b. HCN (aq) + HS(aq) CN" (aq) +H2S c. HCO +OH CO2 H2S d. Al(H20)6 3+ +OH = Al(H20) s2+ OH 7. The equilibrium constant...
??? Write the formula for each of the following: a. lithium hydroxide b. iron(III) hydroxide c....
???
Write the formula for each of the following: a. lithium hydroxide b. iron(III) hydroxide c. aluminum hydroxide d. chlorous acid e. strontium hydroxide f lead(II) hydroxide g. phosphorous acid h. ammonia 6.1 Calculate the pH of the following solutions: a. [H3O+] = 5.6 x 103 6.2 b. [H30']-3.8 x104 c. [H3O] 2.7 x 10-5 d. [H3O']- 1.0 x 109 6.3 For each of the following strong base solutions, determine (OH ], (10], and pri. a. 6.5 x 10 M...
Part A. Use the attached flow chart of a qualitative analysis separation and identification scheme to...
Part A.
Use the attached flow chart of a qualitative analysis separation
and identification scheme to answer the following question.
What ion is present in solution if the following observations
were seen (enter your answer as the chemical symbol without the
charge)
Addition of HCl: no precipitate
Addition of NH3/NH4Cl: a precipitate
forms
Addition of NaOH and H2O2: no
precipitate
Heat to remove H2O2 and addition of HCl: a
colorless solid is formed
Addition of HCl, Aluminon and NH3: a...
1. What products result from mixing aqueous solutions of Part-1/Mutiple Choice (25x3) Agla(aq) and NaCKaq)? A)...
1. What products result from mixing aqueous solutions of Part-1/Mutiple Choice (25x3) Agla(aq) and NaCKaq)? A) Ni(OH)a(s), Na*(aq), and NOs (aq) B) AgCI(s) and Nal(Aq) C) Ni OH)2(aq) and NaNO(aq) D) Ni(OH)(aq) and NaNO(s) 2. Which of the following compounds is soluble in water? A) KCI B) PbBr2 C) CaSO D) AgBr 3. A precipitate will form when a freshly prepared aqueous carbonic acid solution is aqueous solution of A) potassium carbonate. B) ammonium chloride. C) nitrous acid D) calcium...
1 – Balance the following Bi(OH)3 + SnO22- → SnO32- + Bi
1 – Balance the following Bi(OH)3 + SnO22- → SnO32- + Bi in basic solution Mn2+ + BiO3- → Bi3+ + MnO4- in acidic solution 2 – Describe the basic features of a galvanic cell and explain why the two components are separated from each other. 3 – Calculate the standard potential of a cell that uses a Mg/Mg2+ half-cell and a Cu/Cu2+ half-cell. Identify the oxidizing agent. 4 – What is the equilibrium constant for the cell referenced...
kindly answer all the questions. eactions in Agueous Solutions: Metathesis Reactions and Net lonic Equations 2....
kindly answer all the questions.
eactions in Agueous Solutions: Metathesis Reactions and Net lonic Equations 2. Crystal shape 3. Identity of erystals 4. Temperature of filtrate 03 S. Crystal shape of second batch 6. Identity of second batech of crystals NadN Crystal shape of third batch re 8. Identity of third batch of crystalsAN2 QUESTIONS 1. Which of the following reactions.are metathesis reactions? (a) 2KClO,--+2KCI + 302 (b) Cu(NO3)2+Zn-Cu+Zn(NO3)2 (c) BaCO+2 HC1BaCh +H20+CO2 (d) Na2CO3 + Cuso,ーNa,so, +CuCO3 2a. How...
QUESTIONS Which of the following reactions are metathesis reactions? (a) 2KciO3 2KCI+302 (b) Cu(NO3)2+ZnCu+Zn(NO,)2 (e) BaCOs...
QUESTIONS Which of the following reactions are metathesis reactions? (a) 2KciO3 2KCI+302 (b) Cu(NO3)2+ZnCu+Zn(NO,)2 (e) BaCOs + 2 HCBaCl2 +H20+Co2 (d) Na2CO, +Cuso Na,SO,+CuCO 1. 2a. How many grams of each of the following substances will dissolve in 100 mL of cold water? Consult a handbook or the Internet and cite your source. Ce(lO3)4 RaSO4 Pb(NO) (NH)SeO 2b. Which of these substances is least soluble on a gram-per-100 mL basis? 3. Suppose you have a solution that might contain any...
POST LAB QUESTIONS Answer the following questions in your lab notebook: 1. Give the chemical formula...
POST LAB QUESTIONS Answer the following questions in your lab notebook: 1. Give the chemical formula for a single chemical reagent that would : (a) separate Ag from Cut b) separate AgCl from PbCl2 - separate Cu2+ from Mat (d) separate Fet from Zn2+ (e) Dissolve Zn(OH), but not Fe(OH)3 (f) separate Ba2+ from Mn2+ and Zn2+ 2. Write balanced ionic chemical equations for: a. The dissolution of AgCl in excess ammonia b. The precipitation of Pb * to PbCrO4(s)...
3. a. What happens in Part Fl if conc NaOH is substituted for conc NH4OH? b. What happens to the precipitate in Part F1 if conc HCl is added? 3. Dissolve the Cu2+ and Bil Sulfides. Add 15 drops of 6 M HNO3 to the precipitate from Part E.2 and carefully heat with a direct flame until the precipitates dissolve. (Caution: make sure the test tube is pointed away from all other students while heating). Cool and centrifuge. Save the...
6. On the diagram at the right of titration of a weak acid by a strong base, what is represented by the point A? A. the 50:50 buffer mixture B. the stoichiometric point C. mL added base D. the buffer zone E solution of strong base 7. Which of the following has the best buffer capacity? A. 0,2 M NH /0.2 M NHẠC B. 0.5 M HCI/O.5 M KCI C. 1.0 M HCI/1.0 M NACI D. 1.0 M HCI/1.0 M...
5. Which of the following species is amphiprotic in aqueous solution? (a) CH3NH2 c) NH4 (e) HSO (d) F (b) Н:0" 6, Use Table 15.2 (page 529) to decide whether the species on the left or those on the right are favored by the reaction. a. NH4 (aq) + H2PO4" (aq) # NH3(aq) + HsPO b. HCN (aq) + HS(aq) CN" (aq) +H2S c. HCO +OH CO2 H2S d. Al(H20)6 3+ +OH = Al(H20) s2+ OH 7. The equilibrium constant...
???
Write the formula for each of the following: a. lithium hydroxide b. iron(III) hydroxide c. aluminum hydroxide d. chlorous acid e. strontium hydroxide f lead(II) hydroxide g. phosphorous acid h. ammonia 6.1 Calculate the pH of the following solutions: a. [H3O+] = 5.6 x 103 6.2 b. [H30']-3.8 x104 c. [H3O] 2.7 x 10-5 d. [H3O']- 1.0 x 109 6.3 For each of the following strong base solutions, determine (OH ], (10], and pri. a. 6.5 x 10 M...
Part A.
Use the attached flow chart of a qualitative analysis separation
and identification scheme to answer the following question.
What ion is present in solution if the following observations
were seen (enter your answer as the chemical symbol without the
charge)
Addition of HCl: no precipitate
Addition of NH3/NH4Cl: a precipitate
forms
Addition of NaOH and H2O2: no
precipitate
Heat to remove H2O2 and addition of HCl: a
colorless solid is formed
Addition of HCl, Aluminon and NH3: a...
1. What products result from mixing aqueous solutions of Part-1/Mutiple Choice (25x3) Agla(aq) and NaCKaq)? A) Ni(OH)a(s), Na*(aq), and NOs (aq) B) AgCI(s) and Nal(Aq) C) Ni OH)2(aq) and NaNO(aq) D) Ni(OH)(aq) and NaNO(s) 2. Which of the following compounds is soluble in water? A) KCI B) PbBr2 C) CaSO D) AgBr 3. A precipitate will form when a freshly prepared aqueous carbonic acid solution is aqueous solution of A) potassium carbonate. B) ammonium chloride. C) nitrous acid D) calcium...
kindly answer all the questions.
eactions in Agueous Solutions: Metathesis Reactions and Net lonic Equations 2. Crystal shape 3. Identity of erystals 4. Temperature of filtrate 03 S. Crystal shape of second batch 6. Identity of second batech of crystals NadN Crystal shape of third batch re 8. Identity of third batch of crystalsAN2 QUESTIONS 1. Which of the following reactions.are metathesis reactions? (a) 2KClO,--+2KCI + 302 (b) Cu(NO3)2+Zn-Cu+Zn(NO3)2 (c) BaCO+2 HC1BaCh +H20+CO2 (d) Na2CO3 + Cuso,ーNa,so, +CuCO3 2a. How...
QUESTIONS Which of the following reactions are metathesis reactions? (a) 2KciO3 2KCI+302 (b) Cu(NO3)2+ZnCu+Zn(NO,)2 (e) BaCOs + 2 HCBaCl2 +H20+Co2 (d) Na2CO, +Cuso Na,SO,+CuCO 1. 2a. How many grams of each of the following substances will dissolve in 100 mL of cold water? Consult a handbook or the Internet and cite your source. Ce(lO3)4 RaSO4 Pb(NO) (NH)SeO 2b. Which of these substances is least soluble on a gram-per-100 mL basis? 3. Suppose you have a solution that might contain any...
POST LAB QUESTIONS Answer the following questions in your lab notebook: 1. Give the chemical formula for a single chemical reagent that would : (a) separate Ag from Cut b) separate AgCl from PbCl2 - separate Cu2+ from Mat (d) separate Fet from Zn2+ (e) Dissolve Zn(OH), but not Fe(OH)3 (f) separate Ba2+ from Mn2+ and Zn2+ 2. Write balanced ionic chemical equations for: a. The dissolution of AgCl in excess ammonia b. The precipitation of Pb * to PbCrO4(s)...
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