Homework Answers
CATHODIC PROTECTION FOR COBLAT, the electrodes which have large reduction potential values can undergoes cathodic protection of Co
so the electrodes are
Sn
Cu
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Standard (reduction) potentials are given below for several half-reactions. Use them to answer the following. Cd2+...
Standard (reduction) potentials are given below for several half-reactions. Use them to answer the following. Mn2+...
Standard (reduction) potentials are given below for several half-reactions. Use them to answer the following. Mn2+ (aq) + 2e- → Mn(s) Cr3+(aq) + 3 e- → Cr(s) Sn2+(aq) + 2 e--> Sn(s) Cu2+ (aq) + 2 e → Cu(s) A13+ (aq) + 3 e- → Al(s) Co2+(aq) + 2 e- → Co(s) Cd2+ (aq) + 2 e- → Cd(s) Ered = -1.185 V Ered = -0.744 V Ered = -0.138 V = +0.342 V Ered = -1.662 V Ered =...
Answer Cr, Sn, Cu, Co, Cd is wrong. Standard (reduction) potentials are given below for several...
Answer Cr, Sn, Cu, Co, Cd is wrong.
Standard (reduction) potentials are given below for several half-reactions. Use them to answer the following. Mn2+(aq) + 2 е > Mn(s) Ered = -1.185 V Ered Cr3+(ag) + 3е > Cr(s) = -0.744 V Ered Sn2 (aq)2 e = -0.138 V Sn(s) Ered Cu2+(aq) 2 e » Cu(s) = +0.342 V Ered AI3+(aq) + 3 е > = -1.662 V Al(s) Ered =-0.280 v Со2+(aq) + 2 е > Co(s) Cd2+(aq)2 e...
Two standard reduction potentials are given below. Cd2+(aq) + 2 e− → Cd(s) E⁰red = −0.403...
Two standard reduction potentials are given below. Cd2+(aq) + 2 e− → Cd(s) E⁰red = −0.403 V Al3+(aq) + 3 e− → Al(s) E⁰red = −1.662 V There is only ONE submission for each part. (a) Which is a stronger reducing agent, Cd(s) or Al(s)? Cd(s) Al(s) (b) Which is the most difficult to oxidize, Cd(s) or Al(s)? Cd(s) Al(s) (c) Is Cd(s) able to reduce Al3+(aq) in a spontaneous reaction? is able is not able (d) Is Al(s) able...
Given the following standard reduction potentials choose the cell which will work as a voltaic cell....
Given the following standard reduction potentials choose the cell which will work as a voltaic cell. All cells below are written according to the usual cell diagram convention. Cu2+(aq) + 2e → Cu(s) E° = 0.34 V 2H+(aq) + 2e → H2(g) E° = 0.00 V Sn2+ (aq) + 2e → Sn(s) E° = -0.14 V Ni2+(aq) + 2e → Ni(s) E° = -0.26 V Cd2+(aq) + 2e → → Cd(s) E° = -0.40 V Sn(s) | Sn2+(aq) || Ni2+(aq)...
Consider the following half-reactions and their standard reduction potentials then give the standard line (cel notation...
Consider the following half-reactions and their standard reduction potentials then give the standard line (cel notation for a voltaic cell built on these half reactiors, Mn2+(aq) +26° <=> Mn(s) E° = -1.18V Cr3+(aq) +3 € <=> Cr(s) E° = 0.41 V O A. Cr(s)/C3+(aq, 1.0 M) || Mn2+(aq, 1.0M) | Mn(s) B. Cris) Cr3+(aq, 1.0 M) || Mn (s) | Mn 2+(aq, 1.0 M) OC. Mn (s) | Mn 2+(aq, 1.0 M) || C-3+(aq, 1.0 M) | Cr(s) D. Mn...
please help with these, the standard reduction potentials are given in the last two pictures A...
please help with these, the standard reduction potentials are
given in the last two pictures
A standard galvanic cell is constructed in which a Cu2+ Cu half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The cathode reaction is Cu -> Cu2+ + 2e Fe2+Fe could be the other standard half cell. Hg2+Hg could be the other standard half cell. In the external...
If a box is not needed, leave it blank Use the table Standard Reduction Potentials' located...
If a box is not needed, leave it blank Use the table Standard Reduction Potentials' located in the 'Tables', to predict if a reaction will occur between Ni metal and C12(g), when the two are brought in contact via half-cells in a voltaic cell. If a reaction will occur, write a balanced net ionic equation for the reaction, assuming that the productions are in aqueous solution. If no reaction will occur, leave all boxes blank. Submit Answer Retry Entire Group...
please help the standrad reduction provided down What is the calculated value of the cell potential...
please help the standrad reduction provided down
What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the Cu2+ concentration is 9.24x10 + M and the Cr3+ concentration is 1.47 M? 3Cu2+ (aq) + 2Cr(s) Answer: 3Cu(s) + 2Cr +(aq) v 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 electrochemical cell with the...
Use the standard reduction potentials from the following table to choose the weakest reducing agent among...
Use the standard reduction potentials from the following table to choose the weakest reducing agent among those shown below. Ag+(aq) + - + Ag(s) E° = 0.80 V Cu2+(aq) + 2e → Cu(s) E° = 0.34 V Ni2+(aq) + 2e + Ni(s) E° = -0.26 V Cr3+(aq) + 3e- → Cr(s) E° = -0.74 V Mn2+(aq) + 2e → Mn(s) E° = -1.19 V О Ni(s) Ag(s) Cr(s) Mn(s) Cu(s)
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...
Standard (reduction) potentials are given below for several half-reactions. Use them to answer the following. Mn2+ (aq) + 2e- → Mn(s) Cr3+(aq) + 3 e- → Cr(s) Sn2+(aq) + 2 e--> Sn(s) Cu2+ (aq) + 2 e → Cu(s) A13+ (aq) + 3 e- → Al(s) Co2+(aq) + 2 e- → Co(s) Cd2+ (aq) + 2 e- → Cd(s) Ered = -1.185 V Ered = -0.744 V Ered = -0.138 V = +0.342 V Ered = -1.662 V Ered =...
Answer Cr, Sn, Cu, Co, Cd is wrong.
Standard (reduction) potentials are given below for several half-reactions. Use them to answer the following. Mn2+(aq) + 2 е > Mn(s) Ered = -1.185 V Ered Cr3+(ag) + 3е > Cr(s) = -0.744 V Ered Sn2 (aq)2 e = -0.138 V Sn(s) Ered Cu2+(aq) 2 e » Cu(s) = +0.342 V Ered AI3+(aq) + 3 е > = -1.662 V Al(s) Ered =-0.280 v Со2+(aq) + 2 е > Co(s) Cd2+(aq)2 e...
Given the following standard reduction potentials choose the cell which will work as a voltaic cell. All cells below are written according to the usual cell diagram convention. Cu2+(aq) + 2e → Cu(s) E° = 0.34 V 2H+(aq) + 2e → H2(g) E° = 0.00 V Sn2+ (aq) + 2e → Sn(s) E° = -0.14 V Ni2+(aq) + 2e → Ni(s) E° = -0.26 V Cd2+(aq) + 2e → → Cd(s) E° = -0.40 V Sn(s) | Sn2+(aq) || Ni2+(aq)...
Consider the following half-reactions and their standard reduction potentials then give the standard line (cel notation for a voltaic cell built on these half reactiors, Mn2+(aq) +26° <=> Mn(s) E° = -1.18V Cr3+(aq) +3 € <=> Cr(s) E° = 0.41 V O A. Cr(s)/C3+(aq, 1.0 M) || Mn2+(aq, 1.0M) | Mn(s) B. Cris) Cr3+(aq, 1.0 M) || Mn (s) | Mn 2+(aq, 1.0 M) OC. Mn (s) | Mn 2+(aq, 1.0 M) || C-3+(aq, 1.0 M) | Cr(s) D. Mn...
please help with these, the standard reduction potentials are
given in the last two pictures
A standard galvanic cell is constructed in which a Cu2+ Cu half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The cathode reaction is Cu -> Cu2+ + 2e Fe2+Fe could be the other standard half cell. Hg2+Hg could be the other standard half cell. In the external...
If a box is not needed, leave it blank Use the table Standard Reduction Potentials' located in the 'Tables', to predict if a reaction will occur between Ni metal and C12(g), when the two are brought in contact via half-cells in a voltaic cell. If a reaction will occur, write a balanced net ionic equation for the reaction, assuming that the productions are in aqueous solution. If no reaction will occur, leave all boxes blank. Submit Answer Retry Entire Group...
please help the standrad reduction provided down
What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the Cu2+ concentration is 9.24x10 + M and the Cr3+ concentration is 1.47 M? 3Cu2+ (aq) + 2Cr(s) Answer: 3Cu(s) + 2Cr +(aq) v 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 electrochemical cell with the...
Use the standard reduction potentials from the following table to choose the weakest reducing agent among those shown below. Ag+(aq) + - + Ag(s) E° = 0.80 V Cu2+(aq) + 2e → Cu(s) E° = 0.34 V Ni2+(aq) + 2e + Ni(s) E° = -0.26 V Cr3+(aq) + 3e- → Cr(s) E° = -0.74 V Mn2+(aq) + 2e → Mn(s) E° = -1.19 V О Ni(s) Ag(s) Cr(s) Mn(s) Cu(s)
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...
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