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Balancing Redox Reactions Solutions Library

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109 solutions

Balancing Redox Reactions

Q. Balance the following redox reaction by inserting the appropriate coefficients.HNO3 + H2S → NO +S + H2O

Solved • Mar 20, 2020

Balancing Redox Reactions

Q. Balance each of the following redox reactions occurring in acidic solution. Express your answer as a chemical equation. Identify all of the phases ...

Solved • Mar 20, 2020

Balancing Redox Reactions

Q. Complete and balance the following equations.Cr2O2−7(aq)+I−(aq)→Cr3+(aq)+IO−3(aq) (acidic solution)Express your answer as a chemical equation. Iden...

Solved • Mar 17, 2020

Balancing Redox Reactions

Q. Separate this redox reaction into its component half-reactions.O2 + 2Cu →  2CuO

Solved • Mar 13, 2020

Balancing Redox Reactions

Q. When the reaction, Cl2(aq) → Cl -(aq) + ClO 3 -(aq) is balanced in aqueous basic solution, what is the coefficient of H 2O? a. 3 b. 5c. 7d. 2e. 4

Solved • Dec 19, 2019

Balancing Redox Reactions

Q. The balanced half-reaction in which sulfate ion is reduced to sulfite ion is a __________ process.a. 2-electronb. 3-electronc. 4-electrond. 6-elect...

Solved • Dec 19, 2019

Balancing Redox Reactions

Q. Balance the following equation in basic solution using the lowest possible integers and give the coefficient of water.AlH4-(aq) + H2CO(s) → Al3+ (a...

Solved • Dec 18, 2019

Balancing Redox Reactions

Q. Balance the following equation in acidic solution using the lowest possible integers and give the coefficient of water. MnO4-(aq) + H2SO3(aq)→ Mn2+...

Solved • Dec 18, 2019

Balancing Redox Reactions

Q. Balance the following equation in basic solution using the lowest possible integers and give the coefficient of water.PbO(s) + NH3(aq) → N2(g) + Pb...

Solved • Dec 16, 2019

Balancing Redox Reactions

Q. What is the stoichiometric coefficient for Pd(s) when the following equation is balanced using the smallest set of whole-number coefficients?Pd(s) ...

Solved • Nov 28, 2019

Balancing Redox Reactions

Q. balance ClO-(aq) + Cr(OH)4-(aq) → CrO42-(aq) + Cl -(aq) in base

Solved • Aug 25, 2019

Balancing Redox Reactions

Q. Balance the following redox reaction occurring in acidic solution. Express your answer as a chemical equation. Identify all of the phases in your a...

Solved • Aug 6, 2019

Balancing Redox Reactions

Q. Balance the following redox reaction occurring in acidic solution. Express your answer as a chemical equation. Identify all of the phases in your a...

Solved • Aug 6, 2019

Balancing Redox Reactions

Q. In acidic solution, the sulfate ion can be used to react with a number of metal ions. One such reaction isSO42- (aq) + Sn2+ (aq) → H2SO3 (aq) + Sn4...

Solved • Aug 2, 2019

Balancing Redox Reactions

Q. Balance the following reaction:Pb(OH)42-(aq) + ClO ? (aq) ? PbO 2(s) + Cl ? (aq) (basic solution)

Solved • Aug 2, 2019

Balancing Redox Reactions

Q. Balance the following redox reaction occurring in acidic solution. Express your answer as a chemical equation. Identify all of the phases in your a...

Solved • Jul 10, 2019

Balancing Redox Reactions

Q. If you complete and balance the following oxidation-reduction reaction in basic solutionNO2-(aq) + Al(s)  →  NH3(aq) + Al(OH)4-(aq)how many hydroxi...

Solved • Jan 3, 2019

Balancing Redox Reactions

Q. A disproportionation  reaction is an oxidation-reduction reaction in which the same substance is oxidized and reduced. Complete and balance the fol...

Solved • Jan 3, 2019

Balancing Redox Reactions

Q. A disproportionation  reaction is an oxidation-reduction reaction in which the same substance is oxidized and reduced. Complete and balance the fol...

Solved • Jan 3, 2019

Balancing Redox Reactions

Q. Complete and balance the following half-reactions. In each case indicate whether the half-reaction is an oxidation or a reduction.Complete and bala...

Solved • Jan 3, 2019

Balancing Redox Reactions

Q. Hydrazine (N2H4) and dinitrogen tetroxide (N2O4) form a self-igniting mixture that has been used as a rocket propellant. The reaction products are ...

Solved • Jan 3, 2019

Balancing Redox Reactions

Q. Complete and balance the following half-reactions. In each case indicate whether the half-reaction is an oxidation or a reduction.TiO2(s)  →  Ti2+(...

Solved • Jan 3, 2019

Balancing Redox Reactions

Q. Balance the redox reactions by following the steps in the text.I2(s) + Fe(s)  →  FeI2(s)

Solved • Jan 3, 2019

Balancing Redox Reactions

Q. Balance the redox reaction in acidic solution: Cu(s) + NO3–(aq) → Cu2+(aq) + NO2(g)

Solved • Jan 3, 2019

Balancing Redox Reactions

Q. Balance the following redox reaction in acidic solution: H+(aq) + Cr(s) → H2(g) + Cr2+(aq)

Solved • Jan 3, 2019

Balancing Redox Reactions

Q. Balance the following oxidation–reduction reactions that occur in acidic solution using the half-reaction method.d. Mn2+ (aq) + NaBiO3 (s) → Bi 3+ ...

Solved • Dec 3, 2018

Balancing Redox Reactions

Q. Balance the following in basic solution:(c) NO3−(aq) + H2(g) ⟶ NO(g)

Solved • Nov 29, 2018

Balancing Redox Reactions

Q. Balance the following skeleton reactions and identify the oxidizing and reducing agents:(a) ClO3−(aq) + I−(aq) ⟶ I2(s) + Cl−(aq) [acidic]

Solved • Nov 27, 2018

Balancing Redox Reactions

Q. Consider the following balanced redox reaction:16H+ (aq) + 2MnO4− (aq) + 10Cl − (aq) ⟶ 2Mn 2+ (aq) + 5Cl 2 (g) + 8H2O (l)(f) Write the balanced mol...

Solved • Nov 27, 2018

Balancing Redox Reactions

Q. Calcium carbonate, CaCO3, is often used as a dietary calcium supplement for bone health. Although CaCO3(s)  is insoluble in water, it can be taken ...

Solved • Nov 12, 2018

Balancing Redox Reactions

Q. Some metal oxides, such as Sc2O3, do not react with pure water, but they do react when the solution becomes either acidic or basic.Do you expect Sc...

Solved • Nov 12, 2018

Balancing Redox Reactions

Q. How many electrons does each oxygen atom gain during the course of this reaction?Oxydation of calcium metal by molecular oxygen.

Solved • Oct 31, 2018

Balancing Redox Reactions

Q. Balance each of the following equations according to the half-reaction method:(f) H2O2(aq) + MnO4−(aq) ⟶ Mn2+(aq) + O2(g) (in acid)

Solved • Oct 18, 2018

Balancing Redox Reactions

Q. Balance each of the following equations according to the half-reaction method:(c) CuS(s) + NO3−(aq) ⟶ Cu2+(aq) + S(s) + NO(g) (in acid)

Solved • Oct 18, 2018

Balancing Redox Reactions

Q. Balance each of the following equations according to the half-reaction method:(b) Zn(s) + NO3−(aq) ⟶ Zn2+(aq) + NH3(aq) (in base)

Solved • Oct 18, 2018

Balancing Redox Reactions

Q. Balance each of the following equations according to the half-reaction method:(e) HBrO(aq) ⟶ Br−(aq) + O2(g) (in acid)

Solved • Oct 18, 2018

Balancing Redox Reactions

Q. Balance each of the following equations according to the half-reaction method:(c) CN−(aq) + ClO2(aq) ⟶ CNO−(aq) + Cl−(aq) (in acid)

Solved • Oct 18, 2018

Balancing Redox Reactions

Q. Balance each of the following equations according to the half-reaction method:(b) H2S(g) + Hg22+(aq) ⟶ Hg(l) + S(s) (in acid)

Solved • Oct 18, 2018

Balancing Redox Reactions

Q. Complete and balance each of the following half-reactions (steps 2–5 in half-reaction method):(b) Hg(l) + Br−(aq) ⟶ HgBr42−(aq)

Solved • Oct 18, 2018

Balancing Redox Reactions

Q. Write a balanced half-reaction for the oxidation of solid iodine dioxide (IO2) to iodate ion (IO3-) in acidic aqueous solution. Be sure to odd phys...

Solved • Sep 17, 2018

Balancing Redox Reactions

Q. (1) Identify each of the following half-reactions as either an  oxidation half-reaction or a reduction half-reaction. (2) Write a balanced equation...

Solved • Aug 28, 2018

Balancing Redox Reactions

Q. (1) Identify each of the following half-reactions as either an  oxidation half-reaction or a reduction half-reaction. (2) Write a balanced equation...

Solved • Aug 28, 2018

Balancing Redox Reactions

Q. When the following half reaction is balanced under acidic conditions, what are the coefficients of the species shown? H2SO3 + H2O → SO42- + H- In t...

Solved • Aug 28, 2018

Balancing Redox Reactions

Q. Balance the following half-reactions by adding the appropriate number of electrons. Which are oxidation half-reactions and which are reduction half...

Solved • Jul 16, 2018

Balancing Redox Reactions

Q. How many electrons are transferred in the following reaction? (The reaction is unbalanced.) Mg (s) + Al 3+(aq) → Al(s) + Mg 2+(aq)a. 6b. 2c. 3d. 1e. 4

Solved • Mar 30, 2018

Balancing Redox Reactions

Q. Consider the reaction at 55°C, where [Fe2+] = 3.80 M and [Mg2+] = 0.310 M Mg(s) + Fe2+(aq) → Mg+2(aq) + Fe(s)                      What is the valu...

Solved • Mar 30, 2018

Balancing Redox Reactions

Q. Balance the following redox reaction by inserting the appropriate coefficients.HNO3 + H2S → NO + S + H2O

Solved • Mar 23, 2018

Balancing Redox Reactions

Q. For the oxidation-reduction reaction equation given here4Ga + P4 → 4GaPIndicate how many electrons are transferred in the formation of one formula ...

Solved • Mar 20, 2018

Balancing Redox Reactions

Q. For the oxidation-reduction reaction equation given here,2K + F2 → 2KFindicate how many electrons are transferred in the formation of one formula u...

Solved • Mar 19, 2018

Balancing Redox Reactions

Q. Balance the following redox reactions occurring in basic solution.NO2−(aq) + Al(s) → NH 3(g) + AlO2−(aq)a. NO2−(aq) + H2O(l) + 2Al(s) + OH−(aq) → N...

Solved • Mar 16, 2018

Balancing Redox Reactions

Q. Balance the following redox reactions occurring in basic solution.MnO4−(aq) + Br -(aq) → MnO2(s) + BrO3−(aq)a. MnO4−(aq) + H2O(l) + Br−(aq) → MnO2(...

Solved • Mar 16, 2018

Balancing Redox Reactions

Q. Balance the following redox reaction occurring in acidic aqueous solution.Zn(s) + Sn 2+(aq) → Zn 2+(aq) + Sn(s)Express your answer as a chemical eq...

Solved • Mar 16, 2018

Balancing Redox Reactions

Q. In the process of oxidizing I - to I2, SO42- is reduced to SO2. How many moles of SO2 are produced in the formation of one mole of I 2?Express your...

Solved • Mar 13, 2018

Balancing Redox Reactions

Q. For the oxidation-reduction reaction equation given below, indicate how many electrons are transferred in the formation of one formula unit of prod...

Solved • Feb 22, 2018

Balancing Redox Reactions

Q. For the oxidation-reduction reaction equation given here,2Rb + Br2 → 2RbBrIndicate how many electrons are transferred in the formation of one formu...

Solved • Feb 22, 2018

Balancing Redox Reactions

Q. Complete and balance the equation for this reaction in acidic solution. MnO4- + HNO2 → NO3 - + Mn2+ i) Which element got oxidized? ii) Which ele...

Solved • Feb 22, 2018

Balancing Redox Reactions

Q. For the oxidation-reduction reaction equation given here,2Li + Se → Li 2SeIndicate how many electrons are transferred in the formation of one formu...

Solved • Feb 21, 2018

Balancing Redox Reactions

Q. Balance the following equation in basic conditions. Phases are optional. CoCl2 + Na2O2 → Co(OH)3 + Cl- + Na+

Solved • Feb 15, 2018

Balancing Redox Reactions

Q. Balance the following equation in basic conditions. Phases are optional.N2H4 + Cu(OH)2 → N2 + Cu

Solved • Feb 15, 2018

Balancing Redox Reactions

Q. Balance the following redox reaction by inserting the appropriate coefficients.SO42- + NH3 → SO32- + H2O + N2

Solved • Feb 14, 2018

Balancing Redox Reactions

Q. Balance the following redox reaction by inserting the appropriate coefficients.HNO3 + H2S → NO +S + H2O

Solved • Feb 14, 2018

Balancing Redox Reactions

Q. Balance the following equation in acidic conditions. Phases are optional.Cr2+ + H2MoO4 + 4H+ → Cr3+ + Mo + 2H2O

Solved • Feb 13, 2018

Balancing Redox Reactions

Q. Balance the following equation in acidic conditions. Phases are optional.H3AsO3+ I2 → H3AsO4 + I-(Redox and Oxidation Reactions)

Solved • Feb 13, 2018

Balancing Redox Reactions

Q. Balance the following equation in acidic conditions. Phases are optional.       S 2O3 2- + Cu 2+ → S4O6 2- + Cu+

Solved • Feb 13, 2018

Balancing Redox Reactions

Q. Balance the following equation in acidic conditions. Phases are optional. C2O42- + MnO2 → Mn2+ + CO2

Solved • Jan 5, 2018

Balancing Redox Reactions

Q. Separate this redox reaction into its balanced component half-reactions.Cl2 + 2Na → 2NaClOxidation of half reaction:Reduction half reaction:

Solved • Jan 3, 2018

Balancing Redox Reactions

Q. Write a balanced overall reaction from these unbalanced half-reactions.Sn → Sn2+Ag+ → Ag

Solved • Dec 21, 2017

Balancing Redox Reactions

Q. Write a balanced overall reaction from these unbalanced half-reactions. In → In3+ Cd2+ → Cd  

Solved • Dec 21, 2017

Balancing Redox Reactions

Q. Write a balanced overall reaction from the unbalanced half-reaction. Cu → Cu2+ Ag+ → Ag  

Solved • Dec 21, 2017

Balancing Redox Reactions

Q. What is the coefficient of aluminum when the following reaction is balanced?    Pt2+ + Al → Al 3+ + Pt A) 1 B) 2 C) 3 D) 4 E) 6

Solved • Nov 10, 2017

Balancing Redox Reactions

Q. Balance the following equation in basic conditions. Phases are optional.CoCl2 + Na2O2 → Co(OH)3 + Cl- + Na+(redox and oxidation reactions) 

Solved • Sep 25, 2017

Balancing Redox Reactions

Q. Write a balanced overall reaction from these unbalanced half-reactions.                                    Cu → Cu    2+                         ...

Solved • Sep 22, 2017

Balancing Redox Reactions

Q. Balance the reaction for the reduction of F2 with the oxidation of hydrogen in base. How many hydroxides and water are in the balanced reaction?1) ...

Solved • Apr 12, 2017

Balancing Redox Reactions

Q. Balance the reaction of dichromate at the cathode and I- at the anode in acid. What is the sum of the coefficients of the balanced reaction?1) 322)...

Solved • Apr 12, 2017

Balancing Redox Reactions

Q. How many electrons are transferred in the following reaction after balancing? (The reaction is unbalanced!) Mg(s) + Al 3+(aq) → Al (s) + Mg2+(aq) ...

Solved • Aug 29, 2016

Balancing Redox Reactions

Q. Balance the following redox reaction if it occurs in basic solution. What are the coefficients in front of Br2 and OH- in the balanced reaction? B...

Solved • Aug 29, 2016

Balancing Redox Reactions

Q. When the following redox equation is balanced with smallest whole-number coefficients, the coefficient for zinc will be. Zn(s) + ReO4-(aq) → Re(s)...

Solved • Aug 28, 2016

Balancing Redox Reactions

Q. Balance the following equation:Cu(s) + H+(aq) + NO3-(aq) → NO(g) + H2O(l) + Cu2+(aq)The coefficients are:A) 1,2,1,1,1,1B) 3,2,1,1,1,3C) 3,4,2,2,4,3...

Solved • Aug 28, 2016

Balancing Redox Reactions

Q. Balance the following redox reaction in the order it is written:___Fe + ___ I 2  →  ___ Fe 3+ + ___ I –a. 1,1,1,2b. 1,3,1,6c. 3,3,3,6d. 2,1,2,2e. 2...

Solved • Aug 23, 2016

Balancing Redox Reactions

Q. Balance the following oxidation–reduction reactions that occur in basic solution.c. CN-(aq) + MnO4-(aq) → CNO-(aq) + MnO2(s) 

Solved • Jul 21, 2016

Balancing Redox Reactions

Q. Balance the following oxidation–reduction reactions that occur in basic solution.b. MnO4-(aq) + S2-(aq) → MnS(s) + S(s) 

Solved • Jul 21, 2016

Balancing Redox Reactions

Q. Balance the following oxidation–reduction reactions that occur in basic solution.a. Cr(s) + CrO42-(aq) → Cr(OH)3(s)

Solved • Jul 21, 2016

Balancing Redox Reactions

Q. Balance the following oxidation–reduction reactions that occur in acidic solution.e. CH3OH(aq) + Cr2O72-(aq) → CH2O(aq) + Cr3+(aq) 

Solved • Jul 21, 2016

Balancing Redox Reactions

Q. Balance the following oxidation–reduction reactions that occur in acidic solution.d. Br-(aq) + MnO4-(aq) → Br2(l) + Mn2+(aq) 

Solved • Jul 21, 2016

Balancing Redox Reactions

Q. Balance the following oxidation–reduction reactions that occur in acidic solution.c. As2O3(s) + NO3-(aq) → H3AsO4(aq) + NO(g) 

Solved • Jul 21, 2016

Balancing Redox Reactions

Q. Balance the following oxidation–reduction reactions that occur in acidic solution.b. I-(aq) + ClO-(aq) → I3-(aq) + Cl-(aq) 

Solved • Jul 21, 2016

Balancing Redox Reactions

Q. Balance the following oxidation–reduction reactions that occur in acidic solution.a. Zn(s) + HCl(aq) → Zn2+(aq) + H2(g) + Cl-(aq)

Solved • Jul 21, 2016

Balancing Redox Reactions

Q. When concentrated H2SO4 (l) is added to I - (aq), I 2 (s) and H2S (g) are formed. When the equation for this reaction is balanced, what is the numb...

Solved • May 17, 2016

Balancing Redox Reactions

Q. When this oxidation-reduction equation is the balanced in acidic solution, using only whole number coefficients, what is the coefficient for S(s)? ...

Solved • May 10, 2016

Balancing Redox Reactions

Q. A sample of impure tin of mass 0.535 g is dissolved in strong acid to give a solution of Sn2+. The solution is then titrated with a 0.0448 M soluti...

Solved • Apr 8, 2016

Balancing Redox Reactions

Q. Consider the unbalanced redox reaction:Cr2O72–(aq) + Cu(s) → Cr 3+ (aq) + Cu 2+(aq)Balance the equation and determine the volume of a 0.850 M K2Cr2...

Solved • Apr 8, 2016

Balancing Redox Reactions

Q. Consider the unbalanced redox reaction:MnO4–(aq) + Zn(s) → Mn2+(aq) + Zn2+(aq)Balance the equation and determine the volume of a 0.500 M KMnO 4 sol...

Solved • Apr 8, 2016

Balancing Redox Reactions

Q. Balance each redox reaction occurring in basic aqueous solution. c. NO2– (aq) + Al(s) → NH3(g) + AIO2– (aq)

Solved • Apr 8, 2016

Balancing Redox Reactions

Q. Balance each redox reaction occurring in basic aqueous solution. b. Ag(s) + CN–(aq) + O2(g) → Ag(CN)2–(aq)

Solved • Apr 8, 2016

Balancing Redox Reactions

Q. Balance each redox reaction occurring in basic aqueous solution.a. MnO4– (aq) + Br –(aq) → MnO2(s) + BrO3– (aq)

Solved • Apr 8, 2016

Balancing Redox Reactions

Q. Balance each redox reaction occurring in acidic aqueous solution. c. NO3– (aq) + Sn2+(aq) → Sn4+(aq) + NO(g)  

Solved • Apr 8, 2016

Balancing Redox Reactions

Q. Balance each redox reaction occurring in acidic aqueous solution. b. ClO4–(aq) + Cl–(aq) → ClO3–(aq) + Cl2(g)

Solved • Apr 8, 2016

Balancing Redox Reactions

Q. Balance each redox reaction occurring in acidic aqueous solution. a. I–(aq) + NO2– (aq) → I2(s) + NO(g)  

Solved • Apr 8, 2016

Balancing Redox Reactions

Q. Balance each redox reaction occurring in acidic aqueous solution. c. MnO4– (aq) + Al(s) → Mn 2+(aq) + Al 3+(aq)  

Solved • Apr 8, 2016

Balancing Redox Reactions

Q. Balance each redox reaction occurring in acidic aqueous solution. b. Mg(s) + Cr3+(aq) → Mg2+(aq) + Cr(s)

Solved • Apr 8, 2016