Cu2+ (aq) + 4Cl- (aq) [CuCl4]2- (aq) Fe3+ (aq) +3SCN-(aq)  Fe(SCN)3 (aq) 2AgNO3(aq) + Na2CrO4(aq) Ag2CrO4(s) + 2NaNO3(aq)

Q: 83. Balance the following equations by the half-reaction method. a. Fe(s) + HCl(aq) →→→ HFeCl4(aq) +…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: p. H₂SO4 + BaCl₂ 9. HNO3 + NaOH q.

A:

Q: For the reaction 2 Cr(s) + 3 Pb²*(aq) - 3 Pb(s) + 2 Cr³*(aq), what is the value of n in the Nernst…

A: Oxidation is removal of electron and increase its oxidation state whereas in  reduction reaction…

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A:

Q: 32. Balance the following equation occurring in an acidic aqueous solution. Indicate which method…

A: We will choose Half Reaction method  in this method first balanced half Reaction ( Oxidation and…

Q: 22.50 mL of the Fe²+ solution required 12.50 mL of 0.255 M K₂Cr₂O, to reach the end point. Calculate…

A:

Q: 2+ In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion CoC142.…

A: Step 1: As we see the product of the reaction is pink colour Cobalt ions , so pink colour is…

Q: 81: Complete and balance each gas evolving reaction HBr(aq) + NaHCO3(aq) -> NH4(аq) + кон(аq) ->…

A: Balanced chemical equation :- A chemical equation is said to be balanced if atoms of different…

Q: Cu(s) + 2 AgNO3(aq) ⇋ Cu(NO3)2(aq) + 2 Ag (s) If a mixture of excess Cu (s), 0.394 M AgNO3 (aq),…

A:

Q: Use the solubility rules to identify which of the following ionic compounds would react with an…

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Q: Which of the following represents the correct balanced equation for the dissolution reaction of…

A: Solid Na3PO4 dissociates into sodium cation and phosphate anion.

Q: 13. Balance the ff skeleton reactions and identify the oxidizing and reducing agents: а) сiоз- (аq)…

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Q: Write balanced half-reactions for the following redox reaction: 2+ Zn(aq) +2 NO₂(g) + 2 H₂O(1) -…

A: To solve this problem we have to write the half reaction of the given reaction.

Q: A mixture containing 0.10 M KBr(aq) and 0.22 M NaF(aq) is electrolyzed. What is formed and why?

A: During electrolysis, oxidation takes place at anode and reduction takes place at cathode. Hence all…

Q: Consider

A: Considering the reaction: Ag+ + 2 NH3 =  Ag(NH3)2+

Q: AgBr has very low solubility in water. Then thiosulfate ion, S2O32-, is added to a solution…

A: Answer - Coordination complex - A coordination complex is the product of a Lewis acid-base reaction…

Q: Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs,…

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Q: 56. Write balanced net ionic equations for the following reactions in basic medium. (a) Ca(s) +…

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Q: By reading the scientific literature, you discover that sodium dodecyl sulfate (SDS), a surfactant…

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Q: What is the equilibrium expression (Keq) for the reaction below? Mg3(PO4)2(s)  3 Mg2+(aq) + 2…

A: The given equilibrium reaction is as follows:     Mg3PO42(s) ⇌ 3Mg2+(aq) + 2PO43-(aq) The…

Q: In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion CoCL42. Co²+…

A: The observation at low and high temperatures would be used .

Q: Use the principle of double displacement reactions and the solubility rules to determine the…

A: The given reaction is between ferrous sulphate and ammonium phosphate. According to double…

Q: 2 KCI (aq) + Pb(NO3)2 (aq) --> 2 KNO3 (aq) + PbCl₂ (s) The net reaction for the above equation is

A: We need to write the net ionic equation for given chemical equation

Q: Balance the following chemical equation: Pb(NO3)2(aq) FeCl3(aq) -> PbCl21s) Fe(NO3)3(aq)

A: Given reaction is: Pb(NO3)2 + FeCl3 (aq) ----------> Fe(NO3)3 + PbCl2 (s)  Balance the reaction =…

Q: 10. Which of the following reactions is a Redox reaction? Cu(s) + 4HNO3 Cu(NO3)2 + 2NO2 +2H,0 (I)…

A: Given are three chemical reactions.  Redox reaction is reaction in which both oxidation and…

Q: Complete the balanced dissociation equation for the compound below in aqueous solution. If the…

A: Soluble ionic compound dissolves in aqueous solutions by dissociating into the anions and cations.…

Q: Complete and balance each of the following half-reactions (steps 2–5 in half-reaction method): (a)…

A:

Q: Complete the changes in concentrations for each of the following reactions. (a) Cr(CN)3(s) Cr³+ (aq)…

A:

Q: What happens when too much NaSCN is prepared in solution of mixtures of standard solutions of…

A: Fe3+ (from Fe(NO3)3 and SCN- ions (from NaSCN) react to form a complex.

Q: ven the Ag (aq) + 2NH, (aq) [Ag(NH₂)₂ (aq) K₁= 2.00 x 107 determine the concentration of NH3(aq)…

A:

Q: 16) Balance the following reactions with respect to base using half-reaction method. Label oxidant…

A: Reaction (a): Se (s) → SeO3^2- (aq) and Cr(OH)3 (aq) → Cr (s)Step 1: Write the unbalanced…

Q: 1. Cr20aq) + CI Cr3+ (aq) + Cl2c9) in acidic solution (aq) 2. Cus) + NO3 (aq) Cu aa) + NO2) + NO29)…

A:

Q: Balance the following equation, in a basic solution: Cr2O72-(aq) + C5H10O5(aq) Cr3+(aq) + CO32-(aq)

A: The steps in balancing redox reactions are the following:Step 1Identify the redox pair.Step 2Balance…

Q: Sodium chloride is added to the reaction below. Will it affect the equilibrium?Which way will the…

A: No , there will be no effect on equilibrium.

Q: Write chemical equations to represent the following: Ag(s) I Ag (aq) II Cu²+ (aq) 1 Cu(s) (i) (ii)…

A: The given cell notation is as follows, AgsAg+aq Cu2+aqCus Oxidation is the loss of electrons and…

Q: What mass of PbCl, can form from 0.235L of 0.110 M KCI solution if there is plenty of Pb(NO),…

A: Limiting reactant is the one that is present is less amount than required for the completion of the…

Q: The concentration of a SO32- solution is determined by titrating it with a 0.1220 M solution of…

A:

Q: 22. Use the oxidation states method to balance the reaction: _ So,2- (aq) + Fe2+ (aq) + _H* (aq) _…

A: We have to balance the given equation

Q: Consider the reaction: Ag+ + 2 NH3 =  Ag(NH3)2+ What will happen if Cl- is added to this system to…

A: According to Le Chatelier's principle, if a dynamic equilibrium is distributed by changing the…

Q: Given the data below, which pair of compounds are the first to precipitate when hydroxide, OH-, is…

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Q: What is the overall equation of Cu2+ (aq) + 2e- -> Cu (s) and 2H20+ 2e- -> H2 (g) + 2OH-(aq

A: Two half reactions are given as follow: Cu2+ (aq)  + 2e-  ----> Cu (s) 2H2 O + 2e ----> H2 (g)…

Q: Calculate the number of milliliters of 0.761 M KOH required to precipitate all of the Cr* ions in…

A: Given  Molarity of KOH solution  =  0.761 M  Molarity of CrCl3 solution =  0.502 M  Volume of CrCl3…

Q: SbCls- + 6H2O SBO2CI + 4H3O+ + 5CI- Sn2+ + H2S + 2H2O Sns + 2H30*

A: Ans - In the first reaction, SbCl6- + 6H2O   <----> SbO2Cl + 4H3O+ + %Cl- Cation that will…

Q: Which of the following reactions will occur spontaneously as written? Explain your answer. a.…

A: We would use the standard reduction potential values of metal ions to check if the reaction can…

Q: An aqueous solution containing lead(II) and fluoride ions is in equilibrium with undissolved PbF2…

A: PbF2(s) ⇌ Pb+2(aq) + 2F-(aq)  According to above equilibrium  [F-] = 2[Pb+2] => [F-]  = 2 x 0.022…

Q: Some wastewater stream contains 0.015 M Hg22+. Some chemical engineer decides to remove it by…

A: Concentration of Hg22+ in waste water = 0.015 M Volume of waste water taken = 100 mL Concentration…