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Balancing Redox Reactions Solutions Library

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133 solutions

Balancing Redox Reactions

Q. Complete and balance the following equation:BrO3-(aq) + N2H4(aq) → Br2(l) + N2(g) (acidic solution)

Solved • May 1, 2020

Balancing Redox Reactions

Q. Balance the following oxidation-reduction reaction: K(s) + H2O (l) → KOH (aq) + H2(g)

Solved • May 1, 2020

Balancing Redox Reactions

Q. CH4 + 2O2 → CO2 + 2H2ODetermine the total number of electrons transferred in this reaction.

Solved • Apr 30, 2020

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 • Apr 29, 2020

Balancing Redox Reactions

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

Solved • Apr 29, 2020

Balancing Redox Reactions

Q. Assign oxidation states to all the elements in this unbalanced reaction: Ag+(aq) + Cu(s) → Ag(s) + Cu2+ (aq)Which substance gets oxidized?Which sub...

Solved • Apr 28, 2020

Balancing Redox Reactions

Q. Balance the following equation in acidic conditions. Phases are optional. Cr2 + H2MoO4 ::> Cr3  + Mo

Solved • Apr 28, 2020

Balancing Redox Reactions

Q. Balance the following redox reaction by inserting the appropriate coefficientsAl + MnO2 → Al2O3 + Mn

Solved • Apr 27, 2020

Balancing Redox Reactions

Q. Complete and balance the half reaction O2(g) →H2O(l) in basic solution.

Solved • Apr 21, 2020

Balancing Redox Reactions

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

Solved • Apr 21, 2020

Balancing Redox Reactions

Q. Complete and balance the following half-reaction: Cr(OH)3(s) → CrO2−4(aq) (basic solution) Express your answer as a chemical equation. Identify all...

Solved • Apr 20, 2020

Balancing Redox Reactions

Q. Complete and balance the following half-reaction: Mn2+(aq) → MnO2(s) (basic solution) Express your answer as a chemical equation. Identify all of t...

Solved • Apr 20, 2020

Balancing Redox Reactions

Q. Complete and balance the following half-reaction: O2(g) → H2O(l) (acidic solution) Express your answer as a chemical equation. Identify all of the ...

Solved • Apr 20, 2020

Balancing Redox Reactions

Q. Complete and balance the following half-reaction: NO3−(aq) → NO(g) (acidic solution) Express your answer as a chemical equation. Identify all of th...

Solved • Apr 20, 2020

Balancing Redox Reactions

Q. Complete and balance the following half-reaction: H2SO3(aq) → SO2−4(aq) (acidic solution) Express your answer as a chemical equation. Identify all ...

Solved • Apr 20, 2020

Balancing Redox Reactions

Q. Complete and balance the following half-reaction: Mo3+(aq) → Mo(s) (acidic solution) Express your answer as a chemical equation. Identify all of th...

Solved • Apr 20, 2020

Balancing Redox Reactions

Q. Balance the following redox reactions occurring in acidic aqueous solution.Cl−(aq)+NO3−(aq)→NO(g)+Cl2(g)Express your answer as a chemical equation....

Solved • Apr 14, 2020

Balancing Redox Reactions

Q. Balance the following redox reactions occurring in acidic aqueous solution.Zn(s)+Na+(aq)→Zn2+(aq)+Na(s)Express your answer as a chemical equation. ...

Solved • Apr 14, 2020

Balancing Redox Reactions

Q. Balance the following redox reactions occurring in acidic aqueous solution.Zn(s)+Sn2+(aq)→Zn2+(aq)+Sn(s)Express your answer as a chemical equation....

Solved • Apr 14, 2020

Balancing Redox Reactions

Q. Balance redoxCl–(aq) + NO3–(aq) → NO(g) + Cl2(g)

Solved • Apr 14, 2020

Balancing Redox Reactions

Q. Balance redoxNi(s) + Cd2+(aq) → Ni2+(aq) + Cd(s)Mg(s) + Cr3+(aq) → Mg2+(aq) + Cr(s)

Solved • Apr 14, 2020

Balancing Redox Reactions

Q. Balance the following redox reaction in acidic solution: Cu(s)+NO3−(aq)→Cu2+(aq)+NO2(g) Express your answer as a chemical equation including phases.

Solved • Apr 14, 2020

Balancing Redox Reactions

Q. Balance each of the following redox reactions occurring in acidic aqueous solution.Cl−(aq)+NO−3(aq) → NO(g)+Cl2(g)Express your answer as a chemical...

Solved • Apr 14, 2020

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 reactionMnO4–(aq) + CN–(aq) → MnO2(s) + CNO–(aq)is balanced in a basic medium, what are the sum of the coefficients?A) 20B) 10C) 8D) 13E) 11

Solved • Feb 18, 2020

Balancing Redox Reactions

Q. When the following redox equation is balanced with smallest whole number coefficients, the coefficient for the iodide ion will be _____.I–(aq) + NO...

Solved • Feb 18, 2020

Balancing Redox Reactions

Q. Balance the following reaction in basic solution:Al(s) + NO3-(aq) → Al(OH)4-(aq) + NH3(g)

Solved • Feb 6, 2020

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 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. 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. Consider the following unbalanced oxidation-reduction reactions in aqueous solution:Ag+(aq) + Li(s) → Ag(s) + Li+(aq)Fe(s) + Na+(aq) → Fe2+(aq) + N...

Solved • Oct 31, 2018

Balancing Redox Reactions

Q. Consider the following unbalanced oxidation-reduction reactions in aqueous solution:Ag+(aq) + Li(s) → Ag(s) + Li+(aq)Fe(s) + Na+(aq) → Fe2+(aq) + N...

Solved • Oct 31, 2018

Balancing Redox Reactions

Q. Consider the following unbalanced oxidation-reduction reactions in aqueous solution:Ag+(aq) + Li(s) → Ag(s) + Li+(aq)Fe(s) + Na+(aq) → Fe2+(aq) + N...

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 add 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) + Sn2+(aq) → Zn2+(aq) + Sn(s)Express your answer as a chemical equa...

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.       S2O32– + Cu2+ → S4O62– + Cu+

Solved • Feb 13, 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. 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