Hello Chegg family I have some Double Displacement reaction problems i could use

Question

Hello Chegg family I have some Double Displacement reaction problems i could use some help with. Thank you!

1.)Write a balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients.
A precipitate forms when aqueous solutions of sodium bromide and silver(I) nitrate are combined.
Use the pull-down boxes to include states such as (s) or (aq). ____() + _____() ==> ______() + _____()

2.)Write a balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients.
A precipitate forms when aqueous solutions of chromium(III) iodide and sodium hydroxide are combined.
Use the pull-down boxes to include states such as (s) or (aq).

3.)Write a balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients.
A precipitate forms when aqueous solutions of aluminum sulfate and potassium carbonate are combined.
Use the pull-down boxes to include states such as (s) or (aq).

4.) Consider the reaction when aqueous solutions of potassium hydroxide and chromium(III) iodide are combined. The net ionic equation for this reaction is:

5.) Consider the reaction when aqueous solutions of copper(II) chloride and sodium phosphate are combined. The net ionic equation for this reaction is:

6.) Consider the reaction when aqueous solutions of aluminum nitrate and sodium sulfide are combined. The net ionic equation for this reaction is:

7.) Write a net ionic equation for the reaction that occurs when aqueous solutions of hydroiodic acid and barium hydroxide are combined.

8.) Write a net ionic equation for the reaction that occurs when aqueous solutions of potassium hydroxide and hydrofluoric acid are combined.

9.) Write a net ionic equation for the reaction that occurs when potassium carbonate (aq) and excess hydrobromic acid (aq) are combined.

10.) Write a net ionic equation for the reaction that occurs when excess hydrochloric acid (aq) and chromium(II) sulfide are combined.

11.) Write a net ionic equation for the reaction that occurs when excess hydrobromic acid (aq) and potassium sulfite (aq) are combined. Note: Sulfites follow the same solubility trends as sulfates.

Explanation / Answer

1. NaBr(aq) + AgNO3(aq) --------------> AgBr(s) + NaNO3(aq)

2. CrI3(aq) + 3NaOH ---------------> Cr(OH)3(s) + 3NaI (aq)

3. Al2(SO4)3 (aq) + 3K2Co3(aq) -------------> A2(lCO3)3(s) + 3K2SO4(aq)

4. 3KOH(aq) + CrI3(aq) ------------> Cr(OH)3(s) + 3KI(aq)

   3K^+(aq) +3OH^-(aq) + Cr^3+(aq) +3I^-(aq) ------------> Cr(OH)3(s) + 3K^+(aq)+3I^-(aq)

removal of spectator ions to get net ionic equation

3OH^-(aq) + Cr^3+(aq) ------------> Cr(OH)3(s)   net ionic equation

5. 3CuI2(aq) + 2Na3Po4(aq) ----------------> Cu3(PO4)2 (s) + 6NaI(aq)

    3Cu^2+(aq) +2I^-(aq) + 6Na^+(aq) +2Po4^3-(aq) ----------------> Cu3(PO4)2 (s) + 6Na^+ (aq) +6I^-(aq)

removal of spectator ions to get net ionic equation

3Cu^2+(aq) +2Po4^3-(aq) ----------------> Cu3(PO4)2 (s)   net ionic equation

6. 2Al(NO3)3(aq) + 3Na2S(aq) ----------> Al2S3(s) + 6NaNo3(aq)

   2Al^3+(aq) +3(NO3)^-(aq) + 6Na^+ (aq) +3S^2-(aq) ----------> Al2S3(s) + 6Na^+ (aq) +6No3^-(aq)

removal spectator ions to get net ionic equation

2Al^3+(aq) +3S^2-(aq) ----------> Al2S3(s)   net ionic equation

7. 2HCl(aq) + Ba(OH)2(aq) -----------> BaCl2(aq) + 2H2O(l)

   2H^+(aq) +2Cl^(aq) + Ba^2+ (aq) +2(OH)^-(aq) -----------> Ba^2+(aq) +2Cl^-(aq) + 2H2O(l)

removal of sepctator ions to get net ionic equation

   2H^+(aq) +2(OH)^-(aq) -----------> 2H2O(l) net ionic equation

8. KOH(aq) + HF(aq) --------------> KF(aq) + H2O(l)

   K^+ (aq) +OH^-(aq) + H^+ (aq)+F^-(aq) --------------> K^+ (aq) +F^-(aq) + H2O(l)

removal of spectator ions to get ionic equation

OH^-(aq) + H^+ (aq) --------------> H2O(l) net ionic

9. K2CO3(aq) + 2HBr(aq) ------------> 2KBr(aq) + Co2(g) + H2O (l)

   2K^+ (aq) +CO3^2-(aq) + 2H^+ (aq) +2Br^-(aq) ------------> 2K^+ (aq) +2Br^-(aq) + Co2(g) + H2O (l)

   CO3^2-(aq) + 2H^+ (aq) ------------> Co2(g) + H2O (l)

10. 6HCl(aq) + Cr2S3(aq) ---------------> 2CrCl3(aq) + 3H2S(g)

    6H^+(aq) +6Cl^-(aq) + 2Cr^+ (aq) +3S^2- (aq) ---------------> 2Cr^3+ (aq) +3Cl^-(aq) + 3H2S(g)

removal of spectator ions to get net ionic eqaution

6H^+(aq) +3S^2- (aq) ---------------> 3H2S(g) net ionic equation

   11. 2HBr(aq) + K2SO3(aq) ----------------> 2KBr(aq) + SO2 (g) + H2O(l)

   2H^+ (aq) +2Br^-(aq) + 2K^+ (aq) +SO3^2-(aq) ----------------> 2K^+ (aq) +2Br^-(aq) + SO2 (g) + H2O(l)

   2H^+ (aq) +SO3^2-(aq) ----------------> SO2 (g) + H2O(l) net ionic equation

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