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Question 10 Even in basic solution, MnO, can oxidize water. One product is manganese(IV) oxide. Write...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCI(aq) + MnO2(s) MnClj(aq) + 2H20) +C2(g) A sample of 38.7 g MnO2 is added to a soluti...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCI(aq) + MnO2(s) MnClj(aq) + 2H20) +C2(g) A sample of 38.7 g MnO2 is added to a solution containing 41.3 g HC. What is the limiting reactant? O HCI O Mno, What is the theoretical yield of Cl2? theoretical yield: g Cl If the yield of the reaction is 78.9%, what is the actual yield of chlorine? actual yield: gC2
Chlorine gas...
Question 9 6 pts (07) Mno, will hydrolyze with water to form gaseous oxygen (O2) via...
Question 9 6 pts (07) Mno, will hydrolyze with water to form gaseous oxygen (O2) via the reaction (spontaneous as written) with E10.20V: 4Mno, (aq) + 2H20 (1) ► 4MnO2(s) + 302(g) + 40H" (aq) Calculate Ecell of this spontaneous redox reaction at 25 C under the following conditions: pH = 10 PO2 (pressure) = 0.20 atm and [Mno2) - 1.0 104M Answer in 2 significant figures. 0.25 V 0.217 -0.21V 0.19 V 0.0V
A certain half-reaction has a standard reduction potential +0.14 V. An engineer proposes using this half-reactio...
A certain half-reaction has a standard reduction potential +0.14 V. An engineer proposes using this half-reaction at the anode of a galvanic cell that must provide at least 0.80 V of electrical power. The cell will operate under standard conditions Note for advanced students: assume the engineer requires this half-reaction to happen at the anode of the cell. Is there a minimum standard reduction potential that the hall reaction used at the cathode of this cell can have? ves, there...
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction +...
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction + O2(9)+4 H (aq)+4e' 2H20) = 1.23 V red Ered Fe+. (аq) Fe3(aq)+e = +0.771 V Answer the following questions about thiss 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...
A certain half-reaction has a standard reduction potential E = -0.45 V. An engineer proposes using...
A certain half-reaction has a standard reduction potential E = -0.45 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell that must provide at least 1.00 V of electrical power. The cell will operate under standard conditions Note for advanced students: assume the engineer requires this half-reaction to happen at the cathode of the cell. 0-0 . " Is there a minimum standard reduction potential that the half-reaction used at the anode of this cell...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV)...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCl(aq) + MnO,(s) —MnCl(aq) + 2 H2O(l) + Cl2(g) A sample of 42.1 g Mno, is added to a solution containing 42.1 g HCI. What is the limiting reactant? MnO2 OHCI What is the theoretical yield of CI,? theoretical yield: CI, If the yield of the reaction is 77.5%, what is the actual yield of chlorine? actual yield: g CI Dimethyl oxalate,...
A certain half-reaction has a standard reduction potential E Ted =-0.99 V. An engineer proposes using...
A certain half-reaction has a standard reduction potential E Ted =-0.99 V. An engineer proposes using this half-reaction at the anode of a galvanic cell that must provide at least 0.90 V of electrical power. The cell will operate under standard conditions. Note for advanced students: assume the engineer requires this half-reaction to happen at the anode of the cell O- Is there a minimum standard reduction potential that the half-reaction used at the cathode of this cell can have?...
ANSWER ALL 3 QUESTIONS AND ALL PARTS Question 1 Using the standard reduction potentials on page 127, draw a compl...
ANSWER ALL 3 QUESTIONS AND ALL PARTS
Question 1 Using the standard reduction potentials on page 127, draw a complete galvanic cell in the space below for Fe Ag a) Clearly label the electrodes, the solutions and the salt bridge. Clearly label which metal is the cathode and anode and a chemical you might use for the salt bridge. b) Give the half-reaction that occurs at the cathode and the half-reaction that occurs at the anode and indicate the direction...
1) One hundred (100) ml of a 1.00 M solution of HCl is diluted with water...
1) One hundred (100) ml of a 1.00 M solution of HCl is diluted with water to prepare a 0.200 M solution. What is the volume of the resulting 0.200 M solution? Or asked another way, to what volume must the original solution be diluted? (3 points) 2) Lithium hydroxide, LiOH, is used in spacecraft to absorb the carbon dioxide exhaled by astronauts. Given 1.3 kg of LiOH, how many kg of CO2 can be absorbed? (10 Pts. The reaction...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCI(aq) + MnO2(s) MnClj(aq) + 2H20) +C2(g) A sample of 38.7 g MnO2 is added to a solution containing 41.3 g HC. What is the limiting reactant? O HCI O Mno, What is the theoretical yield of Cl2? theoretical yield: g Cl If the yield of the reaction is 78.9%, what is the actual yield of chlorine? actual yield: gC2
Chlorine gas...
Question 9 6 pts (07) Mno, will hydrolyze with water to form gaseous oxygen (O2) via the reaction (spontaneous as written) with E10.20V: 4Mno, (aq) + 2H20 (1) ► 4MnO2(s) + 302(g) + 40H" (aq) Calculate Ecell of this spontaneous redox reaction at 25 C under the following conditions: pH = 10 PO2 (pressure) = 0.20 atm and [Mno2) - 1.0 104M Answer in 2 significant figures. 0.25 V 0.217 -0.21V 0.19 V 0.0V
A certain half-reaction has a standard reduction potential +0.14 V. An engineer proposes using this half-reaction at the anode of a galvanic cell that must provide at least 0.80 V of electrical power. The cell will operate under standard conditions Note for advanced students: assume the engineer requires this half-reaction to happen at the anode of the cell. Is there a minimum standard reduction potential that the hall reaction used at the cathode of this cell can have? ves, there...
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction + O2(9)+4 H (aq)+4e' 2H20) = 1.23 V red Ered Fe+. (аq) Fe3(aq)+e = +0.771 V Answer the following questions about thiss 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...
A certain half-reaction has a standard reduction potential E = -0.45 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell that must provide at least 1.00 V of electrical power. The cell will operate under standard conditions Note for advanced students: assume the engineer requires this half-reaction to happen at the cathode of the cell. 0-0 . " Is there a minimum standard reduction potential that the half-reaction used at the anode of this cell...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCl(aq) + MnO,(s) —MnCl(aq) + 2 H2O(l) + Cl2(g) A sample of 42.1 g Mno, is added to a solution containing 42.1 g HCI. What is the limiting reactant? MnO2 OHCI What is the theoretical yield of CI,? theoretical yield: CI, If the yield of the reaction is 77.5%, what is the actual yield of chlorine? actual yield: g CI Dimethyl oxalate,...
A certain half-reaction has a standard reduction potential E Ted =-0.99 V. An engineer proposes using this half-reaction at the anode of a galvanic cell that must provide at least 0.90 V of electrical power. The cell will operate under standard conditions. Note for advanced students: assume the engineer requires this half-reaction to happen at the anode of the cell O- Is there a minimum standard reduction potential that the half-reaction used at the cathode of this cell can have?...
ANSWER ALL 3 QUESTIONS AND ALL PARTS
Question 1 Using the standard reduction potentials on page 127, draw a complete galvanic cell in the space below for Fe Ag a) Clearly label the electrodes, the solutions and the salt bridge. Clearly label which metal is the cathode and anode and a chemical you might use for the salt bridge. b) Give the half-reaction that occurs at the cathode and the half-reaction that occurs at the anode and indicate the direction...
1) One hundred (100) ml of a 1.00 M solution of HCl is diluted with water to prepare a 0.200 M solution. What is the volume of the resulting 0.200 M solution? Or asked another way, to what volume must the original solution be diluted? (3 points) 2) Lithium hydroxide, LiOH, is used in spacecraft to absorb the carbon dioxide exhaled by astronauts. Given 1.3 kg of LiOH, how many kg of CO2 can be absorbed? (10 Pts. The reaction...
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