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105 solutions

Balancing Redox Reactions: Acidic Solutions

Q. Balance the following redox reaction by inserting the appropriate coefficients.H2O + Se + Cd2+ → Cd + SeO32- + H+

Solved • Nov 17, 2020

Balancing Redox Reactions: Acidic Solutions

Q. Balance the following redox reactionCl-(aq) + NO3-(aq) → NO(aq) + Cl2(g)

Solved • Nov 12, 2020

Balancing Redox Reactions: Acidic Solutions

Q. What coefficient of H+ balances the atoms in this half-reaction?H+(aq) + MnO2(s) → Mn2+(aq) + H2O(l)

Solved • Oct 23, 2020

Balancing Redox Reactions: Acidic Solutions

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

Solved • May 1, 2020

Balancing Redox Reactions: Acidic Solutions

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

Solved • May 1, 2020

Balancing Redox Reactions: Acidic Solutions

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

Solved • Apr 30, 2020

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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

Solved • Apr 28, 2020

Balancing Redox Reactions: Acidic Solutions

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

Solved • Apr 27, 2020

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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

Solved • Apr 14, 2020

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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

Solved • Mar 20, 2020

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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

Solved • Mar 13, 2020

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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

Solved • Jan 3, 2019

Balancing Redox Reactions: Acidic Solutions

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

Solved • Jan 3, 2019

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

Q. Polishing Silver Silver tamish is the result of silver metal reacting with sulfur compounds, such as H2S, in the air. The tamish on silverware (Ag2...

Solved • Jul 16, 2018

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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

Solved • Mar 23, 2018

Balancing Redox Reactions: Acidic Solutions

Q. For the oxidation-reduction reaction equation given here,4Al + 3O2 --> 2Al2O3indicate how many electrons are transferred in the formation of 1 f...

Solved • Mar 21, 2018

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

Q. Complete and balance the equation for this reaction in acidic solution.ZnS + NO3- → Zn2+ + S + NO i) Which element got oxidized?ii) Which element g...

Solved • Feb 22, 2018

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

Q. Complete and balance the equation for this reaction in acidic solution.Zn(s) + NO3- → Zn2+ + NH4+i) Which element was Oxidized ?ii) Which element w...

Solved • Feb 22, 2018

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

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

Solved • Feb 22, 2018

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

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

Solved • Feb 14, 2018

Balancing Redox Reactions: Acidic Solutions

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

Solved • Feb 14, 2018

Balancing Redox Reactions: Acidic Solutions

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

Solved • Feb 13, 2018

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

Q. Balance the following equation in acidic conditions. Phases are optional.       S2O32– + Cu2+ → S4O62– + Cu+

Solved • Feb 13, 2018

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

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

Solved • Dec 21, 2017

Balancing Redox Reactions: Acidic Solutions

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

Solved • Dec 21, 2017

Balancing Redox Reactions: Acidic Solutions

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

Solved • Dec 21, 2017

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

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

Solved • Sep 22, 2017

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

Q. Balance the following reaction under acidic conditions.Cr2O2−7(aq) + Fe2+(aq) → Cr3+(aq) + Fe3+(aq)A. 7H2O(l) + Cr2O2−7(aq) + Fe2+(aq) → 2Cr3+(aq) ...

Solved • Aug 15, 2016

Balancing Redox Reactions: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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: Acidic Solutions

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

Solved • Apr 8, 2016

Balancing Redox Reactions: Acidic Solutions

Q. Balance each redox reaction occurring in acidic aqueous solution. a. Zn(s) + Sn2+(aq) → Zn2+(aq) + Sn(s)  

Solved • Apr 8, 2016

Balancing Redox Reactions: Acidic Solutions

Q. Balance the following reaction in acidic solution and determine the coefficient of H + and its location (reactant or product side) in the overall r...

Solved • Apr 1, 2016