I just couldn't figure out pars b-e but I
already have the answer to part A. Help please
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I just couldn't figure out pars b-e but I
already have the answer to part A....
1. The qualitative analysis scheme contains a vast array of reactions involving precipitation, formation of coordination...
1. The qualitative analysis scheme contains a vast array of reactions involving precipitation, formation of coordination complexes and oxidation-reduction. Balance each reaction by providing coefficients and identity each of the following as primarily one of the above kinds of reaction. Zn2+(aq) + NH3(aq) → Zn(NH3)42(aq) Co2+(aq) + SCN"(aq) + Co(SCN)42"(aq) Mn2. BiO;' + H+ - MnO4' B+ H2O Co(OH)3 + H2O2 + H+ Co2+ + H2O + 02 Zn2+ + K+ + Fe(CN)64- Zn3K2[Fe(CN)612
1. The qualitative analysis scheme contains a vast array of reactions involving precipitation, formation of coordination...
1. The qualitative analysis scheme contains a vast array of reactions involving precipitation, formation of coordination complexes and oxidation-reduction. Balance each reaction by providing coefficients and identify each of the following as primarily one of the above kinds of reaction. a) completes Zn2+(aq) + NH3(aq) - Zn(NH3)42(aq) 2+ 2n2 and + UNH3 cag) - Zn C MHz) ucal) b) complexe Co?"(aq) + 4 SCN(aq) - Co(SCN)?(aq) co2+ + 45cN² COCSCN24 ian) c) Oxidation de dueti Mn2.. B10+ H - MnOs'Biº...
help with these please, the standard reduction are provided in the last three pictures What is the calculated v...
help with these please, the standard reduction are provided in
the last three pictures
What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the Pb2+ concentration is 9.05X10 M and the AP concentration is 1.48 M? 3Pb2+(aq) + 2Al(s) 3Pb(s) + 2A13+ (aq) Answer: The cell reaction as written above is spontaneous for the concentrations given: What is the calculated value of the cell potential at 298K for an...
3. Suppose after adding HCl to ppt 16, you do not have any black solid. What,...
3. Suppose after adding HCl to ppt 16, you do not have any black solid. What, if anything, should you do to test for Co2 and Ni*? Qual Scheme: Group III: Co?(pink), N1" (green), Fet+ (yellow), Cr" (blue-grey), Mn(pink), AP (colorless), Zn? (colorless). Unknown B Solution: Use 10 dps of unknown sample and 10 dps of H20 and go to Procedure for Group III. Procedure for Group II: Add 2 dps NHCl soln, add 6M NHOH until just basic to...
Please show all steps taken (prefer typed solution) Half-Reaction E ° (V) Ag+ (aq) + e−...
Please show all steps taken (prefer typed solution)
Half-Reaction
E
°
(V)
Ag+ (aq) + e− → Ag (s)
0.7996
Al3+ (aq) + 3e− → Al (s)
−1.676
Au+ (aq) + e− → Au (s)
1.692
Au3+ (aq) + 3e− → Au (s)
1.498
Ba2+ (aq) + 2e− → Ba (s)
−2.912
Br2 (l) + 2e− → 2Br− (aq)
1.066
Ca2+ (aq) + 2e− → Ca (s)
−2.868
Cl2 (g) + 2e− → 2Cl− (aq)
1.35827
Co2+ (aq) + 2e−...
ALEKS data table may not include the value, if not please just include the E value and I will go ...
ALEKS data table may not include the value, if not please just
include the E value and I will go through the table and leave the
answer in the comments
A certain half-reaction has a standard reduction potential Ered- provide at least 0.50 V of electrical power. The cell will operate under standard conditions. Note for advanced students: assume the engineer requires this half-reaction to happen at the anode of the cell 0.53 V. An engineer proposes using this half-reaction...
I need the pH that includes the activities. < Question 5 of 10 > Attempt 7...
I need the pH that includes the activities.
< Question 5 of 10 > Attempt 7 - Determine the pH of a solution containing 0.050 M NaOH and 0.045 M KI neglecting activities. pH = 12.7 Determine the pH of the same solution including activities. Activity coefficients at various ionic strengths can be found in this table. pH= about us careers privacy policy terms of use contact us help Activity Coefficients for Aqueous Solutions at 25°C Ion size (a,pm) Ionic...
A certain half-reaction has a standard reduction potential E = -0.45 V. An engineer proposes using...
A certain half-reaction has a standard reduction potential E = -0.45 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell that must provide at least 1.00 V of electrical power. The cell will operate under standard conditions Note for advanced students: assume the engineer requires this half-reaction to happen at the cathode of the cell. 0-0 . " Is there a minimum standard reduction potential that the half-reaction used at the anode of this cell...
Q3 need to answer the follow pictures can help to do the question pictures are not...
Q3 need to answer the follow pictures can help to do the
question
pictures are not that clear but still can see the number in
question. It should be fine t solve the problem
Question 3 0 / 1 point What is the pH of a 0.00200 F solution of hypobromous acid (HOBr) in pure water? (aokr. = 350 pm) Answer: 2.72 TABLE 1-1 Activity coefficients for aqueous Solutions at 251 Ion size (a, pm) Ion 0.001 0.1 Ionic strength...
Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Mg2...
Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Mg2 ] = 0.774 M and [Sn2 ] = 0.0190 M. Standard reduction potentials can be found here. Reduction Half-Reaction Standard Potential Ered° (V) F2(g) + 2e– → 2F–(aq) +2.87 O3(g) + 2H3O+(aq) + 2e– → O2(g) + 3H2O(l) +2.076 Co3+(aq) + e– → Co2+(aq) +1.92 H2O2(aq) + 2H3O+(aq) + 2e– → 2H2O(l) +1.776 N2O(g) + 2H3O+(aq) + 2e– → N2(g) + 3H2O(l) +1.766 Ce4+(aq) + e– → Ce3+(aq)...
1. The qualitative analysis scheme contains a vast array of reactions involving precipitation, formation of coordination complexes and oxidation-reduction. Balance each reaction by providing coefficients and identity each of the following as primarily one of the above kinds of reaction. Zn2+(aq) + NH3(aq) → Zn(NH3)42(aq) Co2+(aq) + SCN"(aq) + Co(SCN)42"(aq) Mn2. BiO;' + H+ - MnO4' B+ H2O Co(OH)3 + H2O2 + H+ Co2+ + H2O + 02 Zn2+ + K+ + Fe(CN)64- Zn3K2[Fe(CN)612
1. The qualitative analysis scheme contains a vast array of reactions involving precipitation, formation of coordination complexes and oxidation-reduction. Balance each reaction by providing coefficients and identify each of the following as primarily one of the above kinds of reaction. a) completes Zn2+(aq) + NH3(aq) - Zn(NH3)42(aq) 2+ 2n2 and + UNH3 cag) - Zn C MHz) ucal) b) complexe Co?"(aq) + 4 SCN(aq) - Co(SCN)?(aq) co2+ + 45cN² COCSCN24 ian) c) Oxidation de dueti Mn2.. B10+ H - MnOs'Biº...
help with these please, the standard reduction are provided in
the last three pictures
What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the Pb2+ concentration is 9.05X10 M and the AP concentration is 1.48 M? 3Pb2+(aq) + 2Al(s) 3Pb(s) + 2A13+ (aq) Answer: The cell reaction as written above is spontaneous for the concentrations given: What is the calculated value of the cell potential at 298K for an...
3. Suppose after adding HCl to ppt 16, you do not have any black solid. What, if anything, should you do to test for Co2 and Ni*? Qual Scheme: Group III: Co?(pink), N1" (green), Fet+ (yellow), Cr" (blue-grey), Mn(pink), AP (colorless), Zn? (colorless). Unknown B Solution: Use 10 dps of unknown sample and 10 dps of H20 and go to Procedure for Group III. Procedure for Group II: Add 2 dps NHCl soln, add 6M NHOH until just basic to...
Please show all steps taken (prefer typed solution)
Half-Reaction
E
°
(V)
Ag+ (aq) + e− → Ag (s)
0.7996
Al3+ (aq) + 3e− → Al (s)
−1.676
Au+ (aq) + e− → Au (s)
1.692
Au3+ (aq) + 3e− → Au (s)
1.498
Ba2+ (aq) + 2e− → Ba (s)
−2.912
Br2 (l) + 2e− → 2Br− (aq)
1.066
Ca2+ (aq) + 2e− → Ca (s)
−2.868
Cl2 (g) + 2e− → 2Cl− (aq)
1.35827
Co2+ (aq) + 2e−...
ALEKS data table may not include the value, if not please just
include the E value and I will go through the table and leave the
answer in the comments
A certain half-reaction has a standard reduction potential Ered- provide at least 0.50 V of electrical power. The cell will operate under standard conditions. Note for advanced students: assume the engineer requires this half-reaction to happen at the anode of the cell 0.53 V. An engineer proposes using this half-reaction...
I need the pH that includes the activities.
< Question 5 of 10 > Attempt 7 - Determine the pH of a solution containing 0.050 M NaOH and 0.045 M KI neglecting activities. pH = 12.7 Determine the pH of the same solution including activities. Activity coefficients at various ionic strengths can be found in this table. pH= about us careers privacy policy terms of use contact us help Activity Coefficients for Aqueous Solutions at 25°C Ion size (a,pm) Ionic...
A certain half-reaction has a standard reduction potential E = -0.45 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell that must provide at least 1.00 V of electrical power. The cell will operate under standard conditions Note for advanced students: assume the engineer requires this half-reaction to happen at the cathode of the cell. 0-0 . " Is there a minimum standard reduction potential that the half-reaction used at the anode of this cell...
Q3 need to answer the follow pictures can help to do the
question
pictures are not that clear but still can see the number in
question. It should be fine t solve the problem
Question 3 0 / 1 point What is the pH of a 0.00200 F solution of hypobromous acid (HOBr) in pure water? (aokr. = 350 pm) Answer: 2.72 TABLE 1-1 Activity coefficients for aqueous Solutions at 251 Ion size (a, pm) Ion 0.001 0.1 Ionic strength...
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