Complete and balance the following equations in net ionic form and indicate the phase.
Complete and balance the following equations in net ionic form and indicate the phase. 17 Zn2...
22. Zn + OH (a)(excess)- (aq) 23. Zn(OH)2 (s)+ H (aq) 24. Zn(a) K(a)Fe(CN) (aq) 25. Ni2 (aq) + NH3 (aq)+ H2O (until basic) - (I) Ni(OH)2 (s) + NH3 (aq) (excess) 26. 27. Ni2 (aq) + NH, (excess)- 28. Ni2 (aq)+ OH (aq) 29. Ni(OH)2 (s) + H (aq)
1)Give the formula for a reagent that will dissolve Zn(OH)2, but not Ni(OH)2. Include net ionic equations for any reactions that occur. Here is the refrence attached: ANALYSIS OF THE ALUMINUM-NICKEL GROUP (GROUP III) Solutions contanang Fe Fe3 A广Cr Co2 NY Mn' Zn2 Ba2 Ca", Mg". Na". K., NH. INH,Cl, excess NH OH Procedure 15 Al(OH), Cr(OH), Co(NH.)63t, Ni(NHk". blue Fe(OH), red Fe(OH)2. green Zn(NHJu". Mn". Ba". Cr". Mg". Na'. K., NH, white green amber colorless [ONH) S] Procedure 15...
Reaction equations Complete and balance the following equations (reactions given) and net ionic form show the physical form for all products. Underline any insoluble products formed. Please answer all 16 Reaction Equations: (Cont'd ?Zn2+?, +?,K.ao +-[Fe(CN)J'-u.-* ?Nion- +-NH,?(excess) ?
15. CHOH). (+ H,02()+ OH-> 16. Cro. (ag) + Pb ) → 17. Znag) + NH3(g) + H20 (until basie) → 18. Zn(OH)2 (+ NH3(y (excess) → 19. Zn? (+ NH3(aq) (excess) → Znag) + OH() (until basic) 21. Zn(OH),(s) + OH(a) (excess) → 22. Znag) + OH(a) (excess) → 23. Zn(OH)2 (+ H (2) ►
1IC LUDOUCO 1. Complete and balance the following net ionic equations. If no reaction occurs, write NR. a. Mg?+ + OH (imited -- b. Cu²+ + SCN" - c. Co2+ + NH3(aq) limited + H20 - d. Ba2+ + so; - e. Pb2+ + NH3(aq) excess + H20 – f. Fel+ + SO-- 2. Complete and balance the following net ionic equations. If no reaction occurs, write NR. Tables 4 and 5 of Experiment 7 list amphoteric metal hydroxides that...
Which substance is the oxidizing agent in the following reaction? Ca(s) + Zn2+1 Zn2+ (aq) 2+ - Ca (aq) + Zn(s) Zn(s) Oca 2t (al O cals) None of the above Zn2+ (aq) The oxidation number for each atom in Gaz(SO4)3 is O +2, +4, -1. 0 1. +3, +4, -1. +2, +4,-2. O 1. +3, +6, -2. The molar solubility of Calcium carbonate is 4.2 x 10-6 M. What is Ksp for this compound 3.0 x 0 x 10-16...
2. Complete and balance the following net ionic equations. If no reaction occurs, write NR. Tables 4 and 5 of Experiment 7 list amphoteric metal hydroxides that form complex ions in the presence of excess hydroxide ions and aqueous ammonia. a. Mg(OH)2 + OH excess b. Cu(OH)2 + OH"excess c. Co(OH)2 + OH → d. Fe(OH)3 + NH3(aq) excess → e. Pb(OH)2 + NH3(aq) excess →
3. Suppose after adding HCl to ppt 16, you do not have any black solid. What, if anything, should you do to test for Co2 and Ni*? Qual Scheme: Group III: Co?(pink), N1" (green), Fet+ (yellow), Cr" (blue-grey), Mn(pink), AP (colorless), Zn? (colorless). Unknown B Solution: Use 10 dps of unknown sample and 10 dps of H20 and go to Procedure for Group III. Procedure for Group II: Add 2 dps NHCl soln, add 6M NHOH until just basic to...
Use the tabulated electrode potentials to calculate K for the oxidation of nickel by H+: Ni(s)+2H+(aq)→Ni2+(aq)+H2(g) Express your answer using two significant figures. Standard reduction half-cell potentials at 25∘C Half-reaction E∘ (V) Half-reaction E∘ (V) Au3+(aq)+3e−→Au(s) 1.50 Fe2+(aq)+2e−→Fe(s) −0.45 Ag+(aq)+e−→Ag(s) 0.80 Cr3+(aq)+e−→Cr2+(aq) −0.50 Fe3+(aq)+3e−→Fe2+(aq) 0.77 Cr3+(aq)+3e−→Cr(s) −0.73 Cu+(aq)+e−→Cu(s) 0.52 Zn2+(aq)+2e−→Zn(s) −0.76 Cu2+(aq)+2e−→Cu(s) 0.34 Mn2+(aq)+2e−→Mn(s) −1.18 2H+(aq)+2e−→H2(g) 0.00 Al3+(aq)+3e−→Al(s) −1.66 Fe3+(aq)+3e−→Fe(s) −0.036 Mg2+(aq)+2e−→Mg(s) −2.37 Pb2+(aq)+2e−→Pb(s) −0.13 Na+(aq)+e−→Na(s) −2.71 Sn2+(aq)+2e−→Sn(s) −0.14 Ca2+(aq)+2e−→Ca(s) −2.76 Ni2+(aq)+2e−→Ni(s) −0.23 Ba2+(aq)+2e−→Ba(s) −2.90 Co2+(aq)+2e−→Co(s) −0.28 K+(aq)+e−→K(s) −2.92 Cd2+(aq)+2e−→Cd(s)...
Standard reduction half-cell potentials at 25°C E (V) E (V) 1.50 -0.45 0.80 -0.50 0.77 -0.73 0.52 -0.76 0.34 -1.18 Half-reaction Aut (aq) + 3e +Au(s) Ag+ (aq) + +Ag(s) Fe3+ (aq) +34 Fo+ (aq) Cut(aq) + Cu(s) Cu²+ (aq) + 2e +Cu(s) 2H+ (aq) - 2e +H2 (6) Fe3+ (aq) + 3e Fe(s) Pb2+ (aq) + 2e →Pb(s) Sn-(aq) + 2e +Sn(s) Ni2+ (aq) + 2e →Ni(s) Co2(aq) +2e + Co(s) ca? (aq) + 2e +Cd(s) 0.00 Half-reaction Fe(aq)...