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QUESTION 1 Choose the BEST description of the following terms. voltaic cells reduction redox V A....
please help asap, thank you QUESTION 15 With respect to any voltaic cell, at what electrode...
please help asap, thank you
QUESTION 15 With respect to any voltaic cell, at what electrode does reduction occur and what is the sign convention given to this electrode? cathode; "." terminal cathode;"+" terminal anode;"+" terminal anode;"-" terminal Click Save and Submit to save and submit. Click Save All Answers to save all answers. Type here to search
QUESTION 37 A single atom of krypton-84 has a mass of 83.911507 amu. Determine the total...
QUESTION 37 A single atom of krypton-84 has a mass of 83.911507 amu. Determine the total binding energy for krypton-84. (mass of 'H atom=1.007825, mass of neutron = 1.008665 amu; 1 amu = 931.5 MeV) 732 Mev 0 685 MeV O 925 MeV O 7.8 x 104 Mev O 285 MeV QUESTION 38 Which of the following statements about electrochemical cells is TRUE? O In an electrolytic cell, oxidation occurs at the cathode In an electrolytic cell the anode is...
all parts please cell A voltaic cell employs the following redox reaction: Cu(s) + 2 Ag+...
all parts please
cell A voltaic cell employs the following redox reaction: Cu(s) + 2 Ag+ (aq) Cu 2+ (aq) + 2 Ag(s) The E° for the reaction is +0.46 V. The initial (nonstandard) conditions are: (Ag +) = 2.0 M; [Cu 2+] = 0.025 M Part a. Write the half-reaction that occurs at the anode. Part b. Write the half-reaction that occurs at the cathode. Part c. How many electrons are transferred in this reaction? Part d. What is...
A voltaic cell employs the following redox reaction: Cu(s) + 2 Ag + (aq) → Cu...
A voltaic cell employs the following redox reaction: Cu(s) + 2 Ag + (aq) → Cu 2+ (aq) + 2 Ag(s) The Eº cell for the reaction is +0.46 V. The initial (nonstandard) conditions are: [Ag +] = 0.025M ; [Cu 2+] = 2.0 M Part a. Write the half-reaction that occurs at the anode. Part b. Write the half-reaction that occurs at the cathode. Part c. How many electrons are transferred in this reaction? Part d. What is...
cell A voltaic cell employs the following redox reaction: Cu(s) + 2 Ag+ (aq) – Cu...
cell A voltaic cell employs the following redox reaction: Cu(s) + 2 Ag+ (aq) – Cu 2+ (aq) + 2 Ag(s) The E° for the reaction is +0.46 V. The initial (nonstandard) conditions are: [Ag +] = 0.025M; [Cu 2+] = 2.0 M Part a. Write the half-reaction that occurs at the anode. Part b. Write the half-reaction that occurs at the cathode. Part c. How many electrons are transferred in this reaction? Part d. What is the cell potential,...
A voltaic cell employs the following redox reaction: Cu(s) + 2 Ag + (aq) → Cu...
A voltaic cell employs the following redox reaction: Cu(s) + 2 Ag + (aq) → Cu 2+ (aq) + 2 Ag(s) The Eº cell for the reaction is +0.46 V. The initial (nonstandard) conditions are: [Ag +] = 2.0 M ; [Cu 2+] = 0.025 M Part a. Write the half-reaction that occurs at the anode. Part b. Write the half-reaction that occurs at the cathode. Part c. How many electrons are transferred in this reaction? Part d. What is...
Voltaic cells chemistry please help with A-C, H and I. 3. A voltaic cell is built...
Voltaic cells chemistry
please help with A-C, H and I.
3. A voltaic cell is built from two half-cells using the reduction reactions given below: Sn 2(aq) → Sn(s); Eredn = -0.14 V Cr20;2(aq) → Cr+ (aq) Eredin = 1.33 V a) Write the balanced cathode half reaction in acidic medium: (show work step by step and box your answer) b) Write the balanced anode half reaction and box your answer: c) Write the balanced overall cell reaction and box...
3. The following redox couple was used in the construction of a voltaic cell. (All ions...
3. The following redox couple was used in the construction of a voltaic cell. (All ions are in aqueous solution and you ned to decide which haif resetion wil e in he cahode side and wh the cathode side and which in the anode side.) For the cell: . Make a sketch of the cell labeling anode, cathode, salt bridge (using KNOs), direction of electron flow, oxidation half ell, reduction half cell, charge of the anode, charge of the cathode,...
Electrolytic cells use electricity to cause a nonspontaneous redox reaction to occur. An electrolytic cell is...
Electrolytic cells use electricity to cause a nonspontaneous redox reaction to occur. An electrolytic cell is constructed using the following components: . a power source, such as a battery, • the substance that will undergo electrolysis, and • two inert electrodes (usually platinum), which serve as the electrical connection between the power source and the substance undergoing electrolysis. As with any cell, oxidation occurs at the anode and reduction occurs at the cathode. The oxidation of water, which produces oxygen...
Breathalyzers use a galvanic/voltaic process that measures the amount of ethanol on a person's breath by...
Breathalyzers use a galvanic/voltaic process that measures the amount of ethanol on a person's breath by the use of a reaction as per the half reactions below: CH3COOH(aq) + 4H+ (aq) +4 e → C2H5OH(aq) + H2O(aq) E = +0.50 V O2(g) + 4H*(aq) + 4e" → 2H200) E° = +1.23 V a Draw a cell diagram and clearly label the following on the diagram: a The anode and cathode b. The electrolytes, c. The flow of electrons d. The...
please help asap, thank you
QUESTION 15 With respect to any voltaic cell, at what electrode does reduction occur and what is the sign convention given to this electrode? cathode; "." terminal cathode;"+" terminal anode;"+" terminal anode;"-" terminal Click Save and Submit to save and submit. Click Save All Answers to save all answers. Type here to search
QUESTION 37 A single atom of krypton-84 has a mass of 83.911507 amu. Determine the total binding energy for krypton-84. (mass of 'H atom=1.007825, mass of neutron = 1.008665 amu; 1 amu = 931.5 MeV) 732 Mev 0 685 MeV O 925 MeV O 7.8 x 104 Mev O 285 MeV QUESTION 38 Which of the following statements about electrochemical cells is TRUE? O In an electrolytic cell, oxidation occurs at the cathode In an electrolytic cell the anode is...
all parts please
cell A voltaic cell employs the following redox reaction: Cu(s) + 2 Ag+ (aq) Cu 2+ (aq) + 2 Ag(s) The E° for the reaction is +0.46 V. The initial (nonstandard) conditions are: (Ag +) = 2.0 M; [Cu 2+] = 0.025 M Part a. Write the half-reaction that occurs at the anode. Part b. Write the half-reaction that occurs at the cathode. Part c. How many electrons are transferred in this reaction? Part d. What is...
cell A voltaic cell employs the following redox reaction: Cu(s) + 2 Ag+ (aq) – Cu 2+ (aq) + 2 Ag(s) The E° for the reaction is +0.46 V. The initial (nonstandard) conditions are: [Ag +] = 0.025M; [Cu 2+] = 2.0 M Part a. Write the half-reaction that occurs at the anode. Part b. Write the half-reaction that occurs at the cathode. Part c. How many electrons are transferred in this reaction? Part d. What is the cell potential,...
Voltaic cells chemistry
please help with A-C, H and I.
3. A voltaic cell is built from two half-cells using the reduction reactions given below: Sn 2(aq) → Sn(s); Eredn = -0.14 V Cr20;2(aq) → Cr+ (aq) Eredin = 1.33 V a) Write the balanced cathode half reaction in acidic medium: (show work step by step and box your answer) b) Write the balanced anode half reaction and box your answer: c) Write the balanced overall cell reaction and box...
3. The following redox couple was used in the construction of a voltaic cell. (All ions are in aqueous solution and you ned to decide which haif resetion wil e in he cahode side and wh the cathode side and which in the anode side.) For the cell: . Make a sketch of the cell labeling anode, cathode, salt bridge (using KNOs), direction of electron flow, oxidation half ell, reduction half cell, charge of the anode, charge of the cathode,...
Electrolytic cells use electricity to cause a nonspontaneous redox reaction to occur. An electrolytic cell is constructed using the following components: . a power source, such as a battery, • the substance that will undergo electrolysis, and • two inert electrodes (usually platinum), which serve as the electrical connection between the power source and the substance undergoing electrolysis. As with any cell, oxidation occurs at the anode and reduction occurs at the cathode. The oxidation of water, which produces oxygen...
Breathalyzers use a galvanic/voltaic process that measures the amount of ethanol on a person's breath by the use of a reaction as per the half reactions below: CH3COOH(aq) + 4H+ (aq) +4 e → C2H5OH(aq) + H2O(aq) E = +0.50 V O2(g) + 4H*(aq) + 4e" → 2H200) E° = +1.23 V a Draw a cell diagram and clearly label the following on the diagram: a The anode and cathode b. The electrolytes, c. The flow of electrons d. The...
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