1. Lead (II) nitrate in acidic solution reacts with zinc metal to form solid lead and zinc nitrate. Balance the redox reaction between Pb(NO3)2 and Zn occurring under acidic conditions. 2. Selenium metal reacts with Chromium(III) hydroxide in basic conditions to produce chromium metal and Selenium trioxide (overall negative 2 charge when aqueous). Balance the redox reaction between Se and Cr(OH)3 occurring in basic conditions. 3. Suppose I want to want to build a voltaic cell that has a cell potential of 3.75 V what two metal/ion combinations would I use? Give the chemical reaction for this redox process. a. What half reaction would occur at the cathode and what half reaction would occur at the anode? 4. What is the difference between a voltaic cell and an electrolytic cell? 5. How do you know if a reaction is a redox reaction? 6. Is the decomposition of hydrogen peroxide from lab 9 (2H2Ozaq) → 2H2O) + O2(8) a redox reaction? Why or why not?

1. Lead (II) nitrate in acidic solution reacts with zinc metal to form solid lead and zinc nitrate. Balance the redox reaction between Pb(NO3)2 and Zn occurring under acidic conditions. 2. Selenium metal reacts with Chromium(III) hydroxide in basic conditions to produce chromium metal and Selenium trioxide (overall negative 2 charge when aqueous). Balance the redox reaction between Se and Cr(OH)3 occurring in basic conditions. 3. Suppose I want to want to build a voltaic cell that has a cell potential of 3.75 V what two metal/ion combinations would I use? Give the chemical reaction for this redox process. a. What half reaction would occur at the cathode and what half reaction would occur at the anode? 4. What is the difference between a voltaic cell and an electrolytic cell? 5. How do you know if a reaction is a redox reaction? 6. Is the decomposition of hydrogen peroxide from lab 9 (2H2Ozaq) → 2H2O) + O2(8) a redox reaction? Why or why not?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

For a particular redox reaction, BrO−BrO− is oxidized to BrO−3BrO3− and Fe3+Fe3+ is reduced to Fe2+Fe2+. Complete and balance the equation for this reaction in basic solution. Phases are optional. balanced redox reaction: BrO−+Fe3+⟶BrO3-+Fe2+
4
calculate the mass of chromium that can be deposited by electrolysis of an aqueous solution of chromium(III) sulfate, Cr 2(SO 4) 3, for 180 min using a constant current of 11.0 A. Assume 100% current efficiency. (F = 96485 C/mol)
Complete and balance the following half-reaction in acidic solution TiO₂ (s) → Ti²+ (aq) + O₂²(aq)
Answer the four questions below related to the spontaneous redox reaction that occurs whenCr(OH)3(s) reacts with NO3–(aq) to produce CrO42–(aq)and NO2–(aq) under basic conditions. Write the balanced net ionic equation, including states of matter, for the overall reaction.
[3] Balance the following redox reaction in basic solution. Sb;O;(s) + NO; (aq) → H;SbO4(aq) + NO(g)
8. Mass determination by electroplating. What mass of copper metal is deposited if a 5.12 A current is passed through a Cu(NO3)2solution for 10 hr.
(III) ion? 6. The sulfite ions, SO;², is strong reducing agent. a. Balance the following half reaction: SO,² > SO,² (under acidic conditions) D. Write out the balanced reaction for the reduction of Fe*3 to Fe*2 with SO,² reducing agent. 7. Iron(II) compounds in foods are more easily absorbed by the body than iron(III) compounds. Based on the experiment, why is adequate amounts of Vitamin C necessary for good health? Experiment 9 0xidation and Rodusti
Complete and balance the following redox reaction in basic solution. ReO4-(aq)+Pb2+(aq) = Re(s)+PbO2(s)
Identify the Oxidizing Agent and the Reducing Agent
Write a balanced half-reaction for the reduction of CrO 4 2–(aq) to Cr(OH) 3(s) in a basic solution.
a) Balance the following redox reaction occurring under basic conditions using the Oxidation Number method: IO31-(aq) + C2O42-(aq) → I1-(aq) + CO2(g) b) Identify the oxidizing agent and the reducing agent. Give reasons for your choices.