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25. The oxidation number (state) for iron (Fe) in FeCl2 is A) -1 B) +2 C)...
24. If the reaction quotient Qe is smaller than K., the reaction will proceed A) to...
24. If the reaction quotient Qe is smaller than K., the reaction will proceed A) to produce more product B) to produce more reactant C) nowhere D) to stoichiometric completion 25. The oxidation number (state) for iron (Fe) in FeCl2 is A)-1 B) +2 C) +3 D) -2 Page 4 26. In general, as temperature increases, reaction rate A) increases B) decreases C) remains constant D) stoichiometrically converts 27. A) Oxidation occurs at the anode of a spontaneous galvanic cell....
Test IV (Electrochemistry) 2018 Fall What is the oxidation number for the Which of the following...
Test IV (Electrochemistry) 2018 Fall What is the oxidation number for the Which of the following is true concerning a galvanic cell? (A) Oxidation occurs at the anode and is 1. 8. underlined manganese in Mn04 (A)-8 (8)-2 (C)-1 (D)4 (E) 7 where anions move towards where anions move towards where cations move towards where anions move towards where anions move towards 2. When balancing the below half-reaction in acidic solutionelectrons are added to the (B) Oxidation occurs at the...
I need help to understand to solve these problems in detail. 38. The following figure shows...
I need help to understand to
solve these problems in detail.
38. The following figure shows a diagram of an Al/Fe galvanic cell. Use the diagram to answer the questions that follow it. Voltmeter Fe electrode Al electrode Fe2+ NO a) Predict the anode half-cell reaction, the cathode half-cell reaction, and the overall cell reaction that occurs as this cell operates. (4 marks) b) Predict the overall cell potential. (2 marks) c) Describe the direction of ion and electron flow...
11. If the galvanic cell below is constructed with a Pb/Pb2-electrode and a Fe/Fe2+ electrode. determine...
11. If the galvanic cell below is constructed with a Pb/Pb2-electrode and a Fe/Fe2+ electrode. determine which electrode will be the cathode and which electrode will be the anode. Write each half cell reaction and the overall cell reaction. Oxidation: Reduction: Overall: Label the cell below with the following: a. the location of each substance (Pb, Pb2+, Fe, Fe2+) b. the cathode and anode C. the direction of electron flow d. If the salt bridge contains KCI, label the direction...
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...
16A. Do the same energy calculation for iron oxidation (Fe2+ → Fest) using oxygen as an...
16A. Do the same energy calculation for iron oxidation (Fe2+ → Fest) using oxygen as an electron acceptor. How many ATP could a cell make from this (1 ATP - 44 kJ/mol)? 16B. Does the redox reaction have a stronger electron donor or acceptor? TABLE 14.1 "Electron Tower" of Standard Reduction Potentials E®(mv) AG® (kJ) Electron donor [CH2O] glucose + H2O 1 Hz +166 +81 +62 1 1 NADH+H HS +27 1 1 +46 1 1 Electron acceptor CO2 +...
Balance the following oxidation-reduction reactions using the half-reaction method. 1. HCOOH (aq) + MnO.. (aq) → CO2 (g) + Mn2. Acidie solution Identify the reduction half Identify the oxidation...
Balance the following oxidation-reduction reactions using the half-reaction method. 1. HCOOH (aq) + MnO.. (aq) → CO2 (g) + Mn2. Acidie solution Identify the reduction half Identify the oxidation half Basic solution Identify the reduction half Identify the oxidation half Write a balanced equation for the electrode and overall cell reactions in the following galvanic cell and determine E°. Sketch the cell, labeling the anode and cathode and showing the direction of electron and ion flow. 2. 3. Circle the...
Which of the following chemical species will undergo an oxidation-reduction reaction with iron metal, Fe(s)? (Please...
Which of the following chemical species will undergo an
oxidation-reduction reaction with iron metal, Fe(s)?
(Please show all works and explanations)
12. Which of the following chemical species will undergo an oxidation-reduction reaction with iron metal, Fe (s)? A) platinum, Pt (s) B) zinc bromide, ZnBr2 (a C) auric chloride, AuCl3 (aq) D) silver, Ag (s)
2. BigMoney Inc. has also had a major spill of inorganic Fe that contaminated the soil...
2. BigMoney Inc. has also had a major spill of inorganic Fe that contaminated the soil around their plant. Scientists at BigMoney have developed mechanisms for removing Fe from soil, but have not found one for Fe. They want to know, on a strictly theoretical basis (regardless of whether bacteria exist im nature that actually.do these specific reactions) f there are any types of bacteria a. Is this an oxidation or reduction? (0.5 point) b. Is Fe acting as an...
Mach each of the following terms with its appropriate description a. redox reaction e oxidizing agent...
Mach each of the following terms with its appropriate description a. redox reaction e oxidizing agent b. oxidation f reduction c. oxidation number g. activity series d. reducing agent h. electric cell 1. an electron acceptor -2. a device which converts chemical energy into electrical energy - 3. expresses electron loss or gain by an atom - 4. involves exchange of electrons -5. an electron donor -6. a process in which an atom or ion gains an electron(s)
24. If the reaction quotient Qe is smaller than K., the reaction will proceed A) to produce more product B) to produce more reactant C) nowhere D) to stoichiometric completion 25. The oxidation number (state) for iron (Fe) in FeCl2 is A)-1 B) +2 C) +3 D) -2 Page 4 26. In general, as temperature increases, reaction rate A) increases B) decreases C) remains constant D) stoichiometrically converts 27. A) Oxidation occurs at the anode of a spontaneous galvanic cell....
Test IV (Electrochemistry) 2018 Fall What is the oxidation number for the Which of the following is true concerning a galvanic cell? (A) Oxidation occurs at the anode and is 1. 8. underlined manganese in Mn04 (A)-8 (8)-2 (C)-1 (D)4 (E) 7 where anions move towards where anions move towards where cations move towards where anions move towards where anions move towards 2. When balancing the below half-reaction in acidic solutionelectrons are added to the (B) Oxidation occurs at the...
I need help to understand to
solve these problems in detail.
38. The following figure shows a diagram of an Al/Fe galvanic cell. Use the diagram to answer the questions that follow it. Voltmeter Fe electrode Al electrode Fe2+ NO a) Predict the anode half-cell reaction, the cathode half-cell reaction, and the overall cell reaction that occurs as this cell operates. (4 marks) b) Predict the overall cell potential. (2 marks) c) Describe the direction of ion and electron flow...
11. If the galvanic cell below is constructed with a Pb/Pb2-electrode and a Fe/Fe2+ electrode. determine which electrode will be the cathode and which electrode will be the anode. Write each half cell reaction and the overall cell reaction. Oxidation: Reduction: Overall: Label the cell below with the following: a. the location of each substance (Pb, Pb2+, Fe, Fe2+) b. the cathode and anode C. the direction of electron flow d. If the salt bridge contains KCI, label the direction...
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...
16A. Do the same energy calculation for iron oxidation (Fe2+ → Fest) using oxygen as an electron acceptor. How many ATP could a cell make from this (1 ATP - 44 kJ/mol)? 16B. Does the redox reaction have a stronger electron donor or acceptor? TABLE 14.1 "Electron Tower" of Standard Reduction Potentials E®(mv) AG® (kJ) Electron donor [CH2O] glucose + H2O 1 Hz +166 +81 +62 1 1 NADH+H HS +27 1 1 +46 1 1 Electron acceptor CO2 +...
Balance the following oxidation-reduction reactions using the half-reaction method. 1. HCOOH (aq) + MnO.. (aq) → CO2 (g) + Mn2. Acidie solution Identify the reduction half Identify the oxidation half Basic solution Identify the reduction half Identify the oxidation half Write a balanced equation for the electrode and overall cell reactions in the following galvanic cell and determine E°. Sketch the cell, labeling the anode and cathode and showing the direction of electron and ion flow. 2. 3. Circle the...
Which of the following chemical species will undergo an
oxidation-reduction reaction with iron metal, Fe(s)?
(Please show all works and explanations)
12. Which of the following chemical species will undergo an oxidation-reduction reaction with iron metal, Fe (s)? A) platinum, Pt (s) B) zinc bromide, ZnBr2 (a C) auric chloride, AuCl3 (aq) D) silver, Ag (s)
2. BigMoney Inc. has also had a major spill of inorganic Fe that contaminated the soil around their plant. Scientists at BigMoney have developed mechanisms for removing Fe from soil, but have not found one for Fe. They want to know, on a strictly theoretical basis (regardless of whether bacteria exist im nature that actually.do these specific reactions) f there are any types of bacteria a. Is this an oxidation or reduction? (0.5 point) b. Is Fe acting as an...
Mach each of the following terms with its appropriate description a. redox reaction e oxidizing agent b. oxidation f reduction c. oxidation number g. activity series d. reducing agent h. electric cell 1. an electron acceptor -2. a device which converts chemical energy into electrical energy - 3. expresses electron loss or gain by an atom - 4. involves exchange of electrons -5. an electron donor -6. a process in which an atom or ion gains an electron(s)
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