Homework Answers
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(NOTE- The 6th question is not done as the value of Ca2+ is not given.)
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For the following equation: MnO4 (aq) +...
Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is ...
Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written. Do you have enough information to calculate the cell voltage under standard conditions? Yes No If you said it was possible to calculate the cell voltage, do so and enter your answerNV here. Be sure your answer has the correct number of significant digits A chemist designs a galvanic cell that uses these two half-reactions half-reaction standard reduction potential Eed+1.51...
The bottom was cut out but the last part of the problem is: If you said...
The bottom was cut out but the last part of the problem is:
If you said it was possible to calculate the cell voltage, do so
and enter your answer here. Round your answer to 3 significant
digits
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential MnO2(s)+4H" (aq)+2e - Mn²+ (aq)+2H2000) E = +1.23 V Cu? (aq)+e Cu* (aq) Ered = +0.153 v il. Answer the following questions about this cell. 0-0 Write...
half-reaction standard reduction potential Zn?" (aq)+2e" - Zn(s) Epod= -0.763 V MnO, (aq)+2 H,0(1+3e" - MnO,(s)+4...
half-reaction standard reduction potential Zn?" (aq)+2e" - Zn(s) Epod= -0.763 V MnO, (aq)+2 H,0(1+3e" - MnO,(s)+4 OH (aq). E = +0.59 V Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. X 5 ? Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written Yes Do you have...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential MnO2...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential MnO2 (s) + 4H+ (aq) +2e−→ Mn+2 ( aq) +2H2O(l) =E0red+1.23V Cl2 (g) +2e−→ 2Cl− (aq) =E0red+1.359V Answer the following questions about this cell Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as...
please make sure balanced equations have smallest coefficients possible and include all states. thats the only...
please make sure balanced equations have smallest coefficients
possible and include all states.
thats the only information it gives so im not sure what extra
information you are talking about?
O ELECTROCHEMISTRY Designing a galvanic cell from... A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential N (9)+ 4H2O()+4e N,H(aq)+4OH" (aq) -- 1.16 V Fe(aq)+e-Fe? (aq) Ered = +0.771 v Answer the following questions about this cell. 0 red х $ Write a balanced...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Ed=-0.763...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Ed=-0.763 V Zn²+(aq)+2e MnO2 (aq)+8H+ (aq)+5€ → Zn(s) → Mn²+ (aq)+4 ,00) E cd = +1.51 v Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Eped...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Eped +1.23 V MnO,(s)+44*(aq)+2e → Mn2+(aq)+2H20(1) Cu2+(aq)+e → Cut(aq) Eped +0.153 V Answer the following questions about this cell. xs ? Write a balanced equation for the half- reaction that happens at the cathode. Write a balanced equation for the half- reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous...
What is this balanced equation? MnO4−(aq) + I−(aq) I2(s) + MnO2(s) I got 2MnO4-(aq) + 6I-(aq) +...
What is this balanced equation?
MnO4−(aq) +
I−(aq) I2(s) +
MnO2(s)
I got 2MnO4-(aq) +
6I-(aq) +
4H2O(l) ⇌ 3I2(s)
+ 2MnO2(s) + 8OH-(aq)
but webassign is saying it's wrong.
edit: nevermind, figured it out. 2
MnO4-(aq) + 8
H+(aq) +
6I-(aq) ⇌ 3
I2(s) + 2 MnO2(s) + 4
H2O(l)
Calculate values for the following cells. Which reactions are spontaneous as written (under standard conditions)? Balance the equations. Standard reduction potentials are found in the Standard Reduction Potentials table. (Use the lowest possible whole...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction cof(aq)+4H2O()+3e_ → Cr(OH)3(s)+50H-(aq)| Fe...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction cof(aq)+4H2O()+3e_ → Cr(OH)3(s)+50H-(aq)| Fe (a)teFe() standard reduction potential E d=-0.13 V E01" +0.771 V 2 + Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written Check...
Consider the following cell reaction at 18°C: Ca(e)+Cu+ (aq) + Ca2+ (aq) + Cu() Calculate the...
Consider the following cell reaction at 18°C: Ca(e)+Cu+ (aq) + Ca2+ (aq) + Cu() Calculate the standard cell potential of this cell from the standard electrode potentials, and from this, obtain AG" for the cell reaction. Calculate AF. Use these values of AN and AG to obtain AS for the cell reaction. Ca²+ (aq) +20 + Ca() --2.76 V Cu? (g) +20 + Cu(s) - 0.84 V AH;(O.*()) -- 542.8 kJ/mol AH;(Out (as)) - 64.8 kJ/mol V AG- AH- kJ...
Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written. Do you have enough information to calculate the cell voltage under standard conditions? Yes No If you said it was possible to calculate the cell voltage, do so and enter your answerNV here. Be sure your answer has the correct number of significant digits A chemist designs a galvanic cell that uses these two half-reactions half-reaction standard reduction potential Eed+1.51...
The bottom was cut out but the last part of the problem is:
If you said it was possible to calculate the cell voltage, do so
and enter your answer here. Round your answer to 3 significant
digits
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential MnO2(s)+4H" (aq)+2e - Mn²+ (aq)+2H2000) E = +1.23 V Cu? (aq)+e Cu* (aq) Ered = +0.153 v il. Answer the following questions about this cell. 0-0 Write...
half-reaction standard reduction potential Zn?" (aq)+2e" - Zn(s) Epod= -0.763 V MnO, (aq)+2 H,0(1+3e" - MnO,(s)+4 OH (aq). E = +0.59 V Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. X 5 ? Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written Yes Do you have...
please make sure balanced equations have smallest coefficients
possible and include all states.
thats the only information it gives so im not sure what extra
information you are talking about?
O ELECTROCHEMISTRY Designing a galvanic cell from... A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential N (9)+ 4H2O()+4e N,H(aq)+4OH" (aq) -- 1.16 V Fe(aq)+e-Fe? (aq) Ered = +0.771 v Answer the following questions about this cell. 0 red х $ Write a balanced...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Ed=-0.763 V Zn²+(aq)+2e MnO2 (aq)+8H+ (aq)+5€ → Zn(s) → Mn²+ (aq)+4 ,00) E cd = +1.51 v Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Eped +1.23 V MnO,(s)+44*(aq)+2e → Mn2+(aq)+2H20(1) Cu2+(aq)+e → Cut(aq) Eped +0.153 V Answer the following questions about this cell. xs ? Write a balanced equation for the half- reaction that happens at the cathode. Write a balanced equation for the half- reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous...
What is this balanced equation?
MnO4−(aq) +
I−(aq) I2(s) +
MnO2(s)
I got 2MnO4-(aq) +
6I-(aq) +
4H2O(l) ⇌ 3I2(s)
+ 2MnO2(s) + 8OH-(aq)
but webassign is saying it's wrong.
edit: nevermind, figured it out. 2
MnO4-(aq) + 8
H+(aq) +
6I-(aq) ⇌ 3
I2(s) + 2 MnO2(s) + 4
H2O(l)
Calculate values for the following cells. Which reactions are spontaneous as written (under standard conditions)? Balance the equations. Standard reduction potentials are found in the Standard Reduction Potentials table. (Use the lowest possible whole...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction cof(aq)+4H2O()+3e_ → Cr(OH)3(s)+50H-(aq)| Fe (a)teFe() standard reduction potential E d=-0.13 V E01" +0.771 V 2 + Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written Check...
Consider the following cell reaction at 18°C: Ca(e)+Cu+ (aq) + Ca2+ (aq) + Cu() Calculate the standard cell potential of this cell from the standard electrode potentials, and from this, obtain AG" for the cell reaction. Calculate AF. Use these values of AN and AG to obtain AS for the cell reaction. Ca²+ (aq) +20 + Ca() --2.76 V Cu? (g) +20 + Cu(s) - 0.84 V AH;(O.*()) -- 542.8 kJ/mol AH;(Out (as)) - 64.8 kJ/mol V AG- AH- kJ...
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