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Write the balanced half cell equation for In 12 (You have 3 attempts until the answer...
When the following half reaction is balanced under basic conditions, what are the coefficients of the...
When the following half reaction is balanced under basic conditions, what are the coefficients of the species shown? NO3 + H20 NO2+ OH In the above half reaction, the oxidation state of nitrogen changes from – to . Submit Answer Retry Entire Group 9 more group attempts remaining When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown? NO3+ Mg —— NO+ Mg2+ (reactant, product, neither) with a coefficient of . (Enter...
Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is ...
Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written. Do you have enough information to calculate the cell voltage under standard conditions? Yes No If you said it was possible to calculate the cell voltage, do so and enter your answerNV here. Be sure your answer has the correct number of significant digits A chemist designs a galvanic cell that uses these two half-reactions half-reaction standard reduction potential Eed+1.51...
H2O2(aq) --> H2O(l) + O2(g) 1. identify half rxns and overall balanced equation. 2. what is E° of the cell? 3. [H2O2]...
H2O2(aq) --> H2O(l) + O2(g) 1. identify half rxns and overall balanced equation. 2. what is E° of the cell? 3. [H2O2] = 0.2 M, Po=0.21 atm, other species still have concentration of 1.0 M. What is cell potential?
1st attempt Part 1 (0.3 point) * Feedback id See Per Write a balanced half-cell equation...
1st attempt Part 1 (0.3 point) * Feedback id See Per Write a balanced half-cell equation for the reaction occurring at the anode. Ignore phases in the reaction X He 8. H 2H2e Part 2 (0.3 point) Feedback Write a balanced half-cell equation for the reaction occurring at the cathode. Ignore phases in the reaction, HO - O + 4H+ + 4e - 2H2O Part 3 (0.3 point) Feedback Assuming excess oxygen, how many moles of electrons would be transferred...
Balance the following half-reaction: HONO→ NO3- 1. The first species to balance is the redox active...
Balance the following half-reaction:
HONO→ NO3-
1. The first species to balance is the redox active species, the element that is changing oxidation state. In this reaction, the redox active species, N, is already balanced. 2. How many moles of H,O must there be on the reactant side of this half reaction? (Enter O if no moles of water are needed or enter #H2O where # moles of water are needed, e.g. if 4 moles of H20 are needed, type...
2. Use a table of Standard Electron Reduction Potentials (click the Reference Materials link in the...
2. Use a table of Standard Electron Reduction Potentials (click the Reference Materials link in the header of this webpage and then the Standard Reduction Potentials link) to determine the for the following standard cells. Write the net ionic equation for the cell. Identify which half-cell will be the cathode. Directions For Writing Molecular, lonic, And Net lonic Equations: 1. Molecular Equation: balance the molecular equation by predicting the products and changing the coefficients so that all atoms are balanced....
help please asap 3 Question 44 (1 point) What is the standard Gibbs free energy change...
help please asap
3 Question 44 (1 point) What is the standard Gibbs free energy change for the reaction below? 2 Au + 3 Mn2+ - 2 Au3+ + 3 Mn % reaction Ered (V) AU3+ + 30 - Au +1.50 Mn2+ + 2e -- Mn -1.18 +185 kJ 0-517 kJ 0-185 kJ -1.55 x 103 kJ +517 kJ none of these +1.55 x 103 kJ Question 43 (1 point) Which of the following statements are TRUE about an electrochemical...
Write the balanced net ionic equation for the reaction that occurs when each of the following com...
Write the balanced net ionic equation for the reaction that occurs when each of the following combinations from Part I (the seventeen known solutions) is tried. In some cases, the reaction is difficult to detect and you may not have observed a reaction. Record the observati ons that you actually made in the data table so that you can compare your unknowns with your ac observations. However, write a balanced net ionic equation in each of the following cases, even...
please help 11. Disproportionation a. Consider the following reaction. 3Ch 5CL + Cls. Write two balanced half equati...
please help
11. Disproportionation a. Consider the following reaction. 3Ch 5CL + Cls. Write two balanced half equations (one oxidation, one reduction) to show the changes that the chlorine species undergoes. OXIDATION: REDUCTION: b. Is this reaction a disproportionation? Justify your answer. 12. REDOX Titration calculations a. Consider the following half equations. SO32- + H2O + SO42- + 2H+ + 2e. MnO4- + 8H. + 5e- → Mna: + 4H2O Combine these two equations to obtain the overall reaction of...
Use the References to access Write a balanced nuclear equation for the following: The nuclide radon-222 undergoes...
Use the References to access Write a balanced nuclear equation for the following: The nuclide radon-222 undergoes alpha emission. (Use the lowest possible coefficients.) The radioisotope phosphorus-32 is used in tracers for measuring phosphorus uptake by plants. The half-life of phosphorus-32 is 14.3 days. If you begin with 63.8 milligrams of phosphorus-32, how many milligrams will you have left after 28.6 days have passed? Submit Answer Try Another Version 2 item attempts remaining
When the following half reaction is balanced under basic conditions, what are the coefficients of the species shown? NO3 + H20 NO2+ OH In the above half reaction, the oxidation state of nitrogen changes from – to . Submit Answer Retry Entire Group 9 more group attempts remaining When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown? NO3+ Mg —— NO+ Mg2+ (reactant, product, neither) with a coefficient of . (Enter...
Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written. Do you have enough information to calculate the cell voltage under standard conditions? Yes No If you said it was possible to calculate the cell voltage, do so and enter your answerNV here. Be sure your answer has the correct number of significant digits A chemist designs a galvanic cell that uses these two half-reactions half-reaction standard reduction potential Eed+1.51...
1st attempt Part 1 (0.3 point) * Feedback id See Per Write a balanced half-cell equation for the reaction occurring at the anode. Ignore phases in the reaction X He 8. H 2H2e Part 2 (0.3 point) Feedback Write a balanced half-cell equation for the reaction occurring at the cathode. Ignore phases in the reaction, HO - O + 4H+ + 4e - 2H2O Part 3 (0.3 point) Feedback Assuming excess oxygen, how many moles of electrons would be transferred...
Balance the following half-reaction:
HONO→ NO3-
1. The first species to balance is the redox active species, the element that is changing oxidation state. In this reaction, the redox active species, N, is already balanced. 2. How many moles of H,O must there be on the reactant side of this half reaction? (Enter O if no moles of water are needed or enter #H2O where # moles of water are needed, e.g. if 4 moles of H20 are needed, type...
2. Use a table of Standard Electron Reduction Potentials (click the Reference Materials link in the header of this webpage and then the Standard Reduction Potentials link) to determine the for the following standard cells. Write the net ionic equation for the cell. Identify which half-cell will be the cathode. Directions For Writing Molecular, lonic, And Net lonic Equations: 1. Molecular Equation: balance the molecular equation by predicting the products and changing the coefficients so that all atoms are balanced....
help please asap
3 Question 44 (1 point) What is the standard Gibbs free energy change for the reaction below? 2 Au + 3 Mn2+ - 2 Au3+ + 3 Mn % reaction Ered (V) AU3+ + 30 - Au +1.50 Mn2+ + 2e -- Mn -1.18 +185 kJ 0-517 kJ 0-185 kJ -1.55 x 103 kJ +517 kJ none of these +1.55 x 103 kJ Question 43 (1 point) Which of the following statements are TRUE about an electrochemical...
Write the balanced net ionic equation for the reaction that occurs when each of the following combinations from Part I (the seventeen known solutions) is tried. In some cases, the reaction is difficult to detect and you may not have observed a reaction. Record the observati ons that you actually made in the data table so that you can compare your unknowns with your ac observations. However, write a balanced net ionic equation in each of the following cases, even...
please help
11. Disproportionation a. Consider the following reaction. 3Ch 5CL + Cls. Write two balanced half equations (one oxidation, one reduction) to show the changes that the chlorine species undergoes. OXIDATION: REDUCTION: b. Is this reaction a disproportionation? Justify your answer. 12. REDOX Titration calculations a. Consider the following half equations. SO32- + H2O + SO42- + 2H+ + 2e. MnO4- + 8H. + 5e- → Mna: + 4H2O Combine these two equations to obtain the overall reaction of...
Use the References to access Write a balanced nuclear equation for the following: The nuclide radon-222 undergoes alpha emission. (Use the lowest possible coefficients.) The radioisotope phosphorus-32 is used in tracers for measuring phosphorus uptake by plants. The half-life of phosphorus-32 is 14.3 days. If you begin with 63.8 milligrams of phosphorus-32, how many milligrams will you have left after 28.6 days have passed? Submit Answer Try Another Version 2 item attempts remaining
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