Question 25 Which one of the following is not amphoteric? Al(OH)3 Cr(OH)3 Sn(OH)2 Ca(OH)2 Zn(OH)2
which of the following are strong bases? choose all that apply. 1. Ca(OH)2 2. Cr(OH)3 3. Mg(OH)2
For the following: Al, Ca, Sc, Cr, and Zn Write the electron configuration (condensed or noble gas). b. Indicate how many unpaired electrons each atom has 2.Write the orbital diagram for the electron configuration of ground state and excited state of carbon atom. Hint: excited carbon has 4 valence electrons.
12 Question (2 points) Zn(ll) hydroxide is amphoteric (amphiprotic). Complete and balance the following equations. 2nd attempt Part 1 (1 point) Feedback Include the phases of all species in the chemical equations. Complete and balance a chemical equation showing how an aqueous suspension of this con acid. X X Ho - (aq). . Zn(OH),(s) + 2H(aq) Zn²+ (aq) + 21,0(1) Part 2 (1 point) * Feedback Complete and balance a chemical equation showing how an aqueous suspension of this compound...
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Chemical Nomenclature: Worksheet A. Name the following compounds: Al S, NaH,PO Ca(CIO) Mn(HCO). Ni(CIO) Cr(OH), Zn(HSO4)2 HNO3(aq) NO, SnCro Li2SO. Mg(CIO) Zns NHCO3 Cul MnO4)2 Nacio Coz(SO) HCI (aa) HCIO4 (aq) NO Fe, S, - (NH2) PO. Pbo NaOH NiBrz Report Page 1 of 2
Consider a galvanic electrochemical cell constructed using Cr/Cr³⁺ and Zn/Zn²⁺ at 25 °C. The following half-reactions are provided for each metal: Cr³⁺(aq) + 3 e⁻ → Cr(s) E°red = -0.744 V Zn²⁺(aq) + 2 e⁻ → Zn(s) E°red = -0.763 V which half reaction takes place at the anode which is the standar cell potential write the balance equation for the overall reaction in acidic sol What is the cell potential for this cell at 25 °C when [Zn²⁺] =...
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...
1. Which metal can reduce Ni2+ ions but not Fe2+ ions?
Cd²⁺,Cr,Sn²⁺,Sn,Cd
2.Which species can oxidize Sn but not Fe?
Ni,Ni²⁺,Pb²⁺,Cd,Pb
1.68 1.51 1.50 1.09 1.00 0.96 0.95 FAO) + 2 H,0,1a) + 2H(aq) + 2e PO4 + 4H"(aq) + S0,00) + 2€ Mno. (aq) + 4H(aq) + 3e Mno,aq) + 8H(aq) + 5e Au?+ (aq) + 3€ PbO (8) + 4H(aq) + 2 Cl@) + 2 Cr,0,?" (aq) + 14 H*(aq) + 6e 0,(@) + 4H(aq) + 4e MnO...
Identify what is being oxidized and reduced in: 3.Zn(s)+MgCl2 4.Zn(s)+ZnCl2 5. Zn(s)+AlCl3 6. Al(s)+CaCl2 7. Sn(s)+CaCl2 8. Al(s)+MgCl2 9. Sn(s)+CuCl2 10. Sn(s)+MgCl2 11. Al (s)+ZnCl2 12. Sn(s)+ ZnCl2 13. Al(s)+AlCl3 14.Sn(S)+AlCl3
3. Identify which reactants are amphoteric species in the following reactions. For those species, determine if the compound is also amphiprotic. Reaction Amphoteric Reactant Amphiprotic? (Y or N) HCO3 + HBr = H2CO3 + Br- 3 HCI + Al(OH)3 = AlCl3 + 3 H2O 2 HBr + ZnO = ZnBr2 + H2O
2- How many gram of Oxygen is in 10 gram of Zn(OH),? 3- Balance the following chemical equations: - --------> 0 B- Na+ + Al(OH ), C. KI + Mg(NO), - D- FeCl + Ca,(PO) E- CH > + CO 0 + H2O 4- Find Oxidized-Reduced and number of electrons: a) 3Ba + N > BaN, OX: RE: Electrons: + Б) 3Ba > BaN 2AIN + 2A1 OX: DD