Homework Answers
A voltaic cell produces electrical current from a spontaneous chemical reaction. Hence, second option is correct.
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A voltaic cell consumes electrical current to drive a nonspontaneous chemical reaction produces electrical current...
a) Which statement is true for an electrolytic cell? O a. It produces electrical current from...
a) Which statement is true for an electrolytic cell? O a. It produces electrical current from electricity. O b. It consumes electrical current to drive a spontaneous chemical reaction. O c. It produces electrical current from a spontaneous chemical reaction. Od. It consumes electrical current to drive a nonspontaneous chemical reaction. b) Balance the following redox reaction in acidic solution. What are the coefficients in front of Al(s) and H2O in the balanced reaction? MnO 4 (aq) + Al(s) +...
For the spontaneous chemical reaction that takes place in a voltaic cell, the sign of AG...
For the spontaneous chemical reaction that takes place in a voltaic cell, the sign of AG is and electrons flow from the to the a) negative, anode, cathode b) positive, anode, cathode c) negative, cathode, anode d) positive, cathode, anode a
QUESTION 10 Which of the following statements concerning a voltaic cell is FALSE? A voltaic cell...
QUESTION 10 Which of the following statements concerning a voltaic cell is FALSE? A voltaic cell uses an oxidation-reduction reaction to produce electrical energy. O The oxidation half reaction occurs at the cathode. O The cell consists of two half cells. O At the anode a substance will lose electrons. O The anode and the cathode are separated by a salt bridge.
13. What reaction occurs at the anode during the electrolysis of molten silver chloride? A. AgCl(1)...
13. What reaction occurs at the anode during the electrolysis of molten silver chloride? A. AgCl(1) ► Ag" (l) + CE(1) B. Ag (l) +e → Ag(1) C. Ag() ► Ag () + D. 2CH(1) Cl2(g) + 2e E. Cl2(g) + 2e → 201(1) 14. One of the differences between a voltaic cell and an electrolytic cell (where electrolysis occurs) is that in an electrolytic cell: A. electrical energy is supplied from an outside energy source to drive a nonspontaneous...
A voltaic cell is constructed from a standard Cd? Cd half cell (Ered = -0.403V) and...
A voltaic cell is constructed from a standard Cd? Cd half cell (Ered = -0.403V) and a standard Ag Ag half cell (Ered = 0.799V The anode reaction is: The cathode reaction is: The spontaneous cell reaction is: The cell voltage is A voltaic cell is constructed from a standard Zn2+ Zn half cell (Ered=-0.763V) and a standard Ar Al half cell (Ered = -1.660V). The anode reaction is: The cathode reaction is: _ The spontaneous cell reaction is: The...
Part A Consider a voltaic cell that is set up as follows: Anode contains an Zn(s) electrode and 1M Zn2+(aq) Cathode cont...
Part A Consider a voltaic cell that is set up as follows: Anode contains an Zn(s) electrode and 1M Zn2+(aq) Cathode contains a Pt(s) electrode and 1M MnO4–(aq),Mn2+(aq), and H+(aq) Which of the following statements match the cathode? Select all that apply. Group of answer choices The electrode increases in mass Oxidation occurs at this half-cell Electrons enter the half-cell The electrode is inactive Cations from the salt-bridge move to this half-cell The electrode is negative Part B Which of...
Calculate the Eo cell and indicate whether the reaction shown is spontaneous or nonspontaneous Calculate F...
Calculate the Eo cell and indicate whether the reaction shown
is spontaneous or nonspontaneous
Calculate F cell and indicate whether the overall reaction shown is spontaneous or none 1205) + 2e 21 (aq) Fº=0.53 V Craq) + 3e Cr(s) E=-0.74 V Overall reaction: 20/15) - 312(5) - 2013+ (aq) + (aq) + 61 (aq) Eºcell = -1.27 V. spontaneous Ecell -1.27 V, nonspontancous Eºcell - 1.27 V, spontaneous
A voltaic cell is constructed from a standard Fe2+|Fe half cell (E°red = -0.440V) and a...
A voltaic cell is constructed from a standard Fe2+|Fe half cell (E°red = -0.440V) and a standard Cl2|Cl- half cell (E°red = 1.360V) Anode Reaction: Cathode Reaction: Spontaneous Cell Reaction: Cell Voltage: ___ V A voltaic cell is constructed from a standard Fe2+|Fe half cell (E°red = -0.440V) and a standard Al3+|Al half cell (E°red = -1.660V). Anode Reaction: Cathode Reaction: Spontaneous Cell Reaction: Cell Voltage: ___ V
question 1 - A voltaic cell is constructed from a standard Ag+|Ag half cell (E°red =...
question 1 - A voltaic cell is constructed from a standard Ag+|Ag half cell (E°red = 0.799V) and a standard Hg2+|Hg half cell (E°red = 0.855V). The anode reaction (including states) is: The cathode reaction(including states) is: The spontaneous cell reaction is: The cell voltage is .... question 2 A voltaic cell is constructed from a standard Cr3+|Cr half cell (E°red = -0.740V) and a standard Fe3+|Fe2+ half cell (E°red = 0.771V). The anode reaction (including states) is: The cathode...
A voltaic cell is constructed from a standard Co2+ Co half cell (Eºred = -0.280V) and...
A voltaic cell is constructed from a standard Co2+ Co half cell (Eºred = -0.280V) and a standard Ar Al half cell (Ered=-1.660V The anode reaction is: The cathode reaction is: The spontaneous cell reaction is: The cell voltage is Enter electrons as e A voltaic cell is constructed from a standard Ni Ni half cell (Ered -0.250V) and a standard BryBr half cell (Ered =1.080V). (Use the lowest possible coefficients. Use the pull down boxes to specify states such...
a) Which statement is true for an electrolytic cell? O a. It produces electrical current from electricity. O b. It consumes electrical current to drive a spontaneous chemical reaction. O c. It produces electrical current from a spontaneous chemical reaction. Od. It consumes electrical current to drive a nonspontaneous chemical reaction. b) Balance the following redox reaction in acidic solution. What are the coefficients in front of Al(s) and H2O in the balanced reaction? MnO 4 (aq) + Al(s) +...
For the spontaneous chemical reaction that takes place in a voltaic cell, the sign of AG is and electrons flow from the to the a) negative, anode, cathode b) positive, anode, cathode c) negative, cathode, anode d) positive, cathode, anode a
QUESTION 10 Which of the following statements concerning a voltaic cell is FALSE? A voltaic cell uses an oxidation-reduction reaction to produce electrical energy. O The oxidation half reaction occurs at the cathode. O The cell consists of two half cells. O At the anode a substance will lose electrons. O The anode and the cathode are separated by a salt bridge.
13. What reaction occurs at the anode during the electrolysis of molten silver chloride? A. AgCl(1) ► Ag" (l) + CE(1) B. Ag (l) +e → Ag(1) C. Ag() ► Ag () + D. 2CH(1) Cl2(g) + 2e E. Cl2(g) + 2e → 201(1) 14. One of the differences between a voltaic cell and an electrolytic cell (where electrolysis occurs) is that in an electrolytic cell: A. electrical energy is supplied from an outside energy source to drive a nonspontaneous...
A voltaic cell is constructed from a standard Cd? Cd half cell (Ered = -0.403V) and a standard Ag Ag half cell (Ered = 0.799V The anode reaction is: The cathode reaction is: The spontaneous cell reaction is: The cell voltage is A voltaic cell is constructed from a standard Zn2+ Zn half cell (Ered=-0.763V) and a standard Ar Al half cell (Ered = -1.660V). The anode reaction is: The cathode reaction is: _ The spontaneous cell reaction is: The...
Calculate the Eo cell and indicate whether the reaction shown
is spontaneous or nonspontaneous
Calculate F cell and indicate whether the overall reaction shown is spontaneous or none 1205) + 2e 21 (aq) Fº=0.53 V Craq) + 3e Cr(s) E=-0.74 V Overall reaction: 20/15) - 312(5) - 2013+ (aq) + (aq) + 61 (aq) Eºcell = -1.27 V. spontaneous Ecell -1.27 V, nonspontancous Eºcell - 1.27 V, spontaneous
A voltaic cell is constructed from a standard Co2+ Co half cell (Eºred = -0.280V) and a standard Ar Al half cell (Ered=-1.660V The anode reaction is: The cathode reaction is: The spontaneous cell reaction is: The cell voltage is Enter electrons as e A voltaic cell is constructed from a standard Ni Ni half cell (Ered -0.250V) and a standard BryBr half cell (Ered =1.080V). (Use the lowest possible coefficients. Use the pull down boxes to specify states such...
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