Homework Answers
NaOH + HClO4 on reacting gives h2o and NaClO4 this is an acid base neutralization reaction and NaClO4 is a soluble salt and no precipitate will form.
FeCl2 +KOH on reacting gives Fe(OH)2 and KCl a green precipitation will form and immediately turned into yellow precipitation due to oxidation of fe(oh)2 by air.
(NH4)2SO4 +Nicl2 on reacting gives nh4cl and niso4 and there is no precipitate formed.
Ch3co2na + HCl on reacting gives ch3cooh and nacl neutralization reaction and there will be no precipitate .
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reaction will occur owing substances are (a) ZnS (U 4.46 Predict whether a precipitation reaction aqueous...
(d) Al2S3 5.41 Use the solubility guidelines in Section 5.3 to predict whether a precipitation reaction...
(d) Al2S3 5.41 Use the solubility guidelines in Section 5.3 to predict whether a precipitation reaction will occur when aqueous solutions of the following substances are mixed. (a) NaOH HCIO4 (b) FeCl2 + KOH (c) (NH4)2SO4 + NiCh 5.5
Predict whether a precipitation reaction will occur in each of the following situations. Write a net...
Predict whether a precipitation reaction will occur in each of the following situations. Write a net ionic equation for each reaction that occurs. (a) NiCl2(aq) + (NH4)2S(aq) → ? (b) Na2CrO4(aq) + Pb(NO3)2(aq) → ? (c) AgClO4(aq) + CaBr2(aq) → ? (d) ZnCl2(aq) + K2CO3(aq) → ?
3.) a.) For each of the following pairs of formulas, predict whether the substances they represent...
3.) a.) For each of the following pairs of formulas, predict whether the substances they represent would react in a precipitation reaction. If there is no reaction, write, "NONE". If there is a reaction, write the complete equation for the reaction. (Use the lowest possible whole number coefficients. Include states-of-matter in your answer.) (a1) NH4Cl(aq) + CaSO3(aq) (a2) NaCl(aq) + Pb(NO3)2(aq) (a3) NaOH(aq) + Zn(NO3)2(aq) b.) When the following solutions are mixed together, what precipitate (if any) will form? (If...
for each reaction- classify as oxidation-reduction,acid-base or precipitation Classify each of the following reactions as oxidation-reduction,...
for each reaction- classify as oxidation-reduction,acid-base
or precipitation
Classify each of the following reactions as oxidation-reduction, acid-base, or Note that in order to be a redox reaction, the oxidation number of an element must be different when it is a reactant than when it is a product. (1 point each) precipitation. Classification Reaction Number 24 Ca (s) +2 H2O ()- Ca(OH)2 (s) + H2 (g) 25 CdCl2 (aq)+ Na2S (aq)CdS (s) +2 NaCl (aq) Zn(OH)2 (s) + H2SO4 (aq)ZnSO4 (aq)...
2.(4 points) For each of the following pairs of formulas, predict whether the substances they represent...
2.(4 points) For each of the following pairs of formulas, predict whether the substances they represent would react in a precipitation reaction. The products formed in the reactions that take place are used in ceramics, cloud seeding, photography, electroplating, and paper coatings. If there is no reaction, write, “No Reaction." If there is a reaction, write the complete equation for the reaction. a. Co(NO3)2(aq) + Na2CO3(aq) → b. Kl(aq) + Pb(CH-02)2(aq) → c. CuSO4(aq) + LINO (aq) → d. Ni(NO3)2(aq)...
11. Use half-reaction potentials to predict whether the following reactions are spontaneous or non-spontaneous in aqueous...
11. Use half-reaction potentials to predict whether the following reactions are spontaneous or non-spontaneous in aqueous solutions. a) Cataa) + 2 → Cas + lafaa b) 2 HzSie + O2(e) → 2H30° +2 Sim c) SO2 + MnO200 → Mn?"
Given the following information about the activity series, predict whether the given reaction will occur or...
Given the following information about the activity series, predict whether the given reaction will occur or not. write a balanced equation. Cu <H2 <Sn Fe<zn<Mg Cu(s) + SnCl2(aq) -- 02 Multiple Choice No reaction will occur Culs SnCl2lad CuCl(ac) Snila Culs SnCiladi+CuCilac Srls < Prev 60 of 60 Co search Next O Beli mer 3 & 4 * 5 6 7 00 9 O E R. Y U u O P
15. The mixing of which pair of reactants will result in a precipitation reaction? CsI(aq)...
15. The mixing of which pair of reactants will result in a precipitation reaction? CsI(aq) + NaOH(aq) HCl(aq) + Ca(OH)2(aq) K2SO4(aq) + Hg2(NO3)2(aq) NaNO3(aq) + NH4Cl(aq) 16. Which of the following is a precipitation reaction? Zn(s) + 2 AgNO3(aq) 2 Ag(s) + Zn(NO3)2(aq) NaCl(aq) + LiI(aq) NaI(aq) + LiCl(aq) 2 KI(aq) + Hg2(NO3)2(aq) Hg2I2(s) + 2 KNO3(aq) HI(aq) + NaOH(aq) NaI(aq) + H2O(l) None of these are precipitation reactions. 17. Which...
Clear handwriting The Zn-S-O-H20 Eh-pH diagram and the hydroxide precipitation diagram shown below from the literature...
Clear handwriting
The Zn-S-O-H20 Eh-pH diagram and the hydroxide precipitation diagram shown below from the literature is useful in predicting leaching and precipitation reactions of sulfides and oxides/hydroxides. Answer the following questions relevant to these diagrams (a) Write the balanced chemical equations relevant to zinc leaching in solutions represented by lines 4, 5, 18 and 19 (b) Calculate the theoretical pH of a solution of 12 mol/L NaOH at 25 °C, assuming unit activity coefficients (H2O=H*+OH;; K = 1014 at...
(c) A slightly ionized compound, usually water 2. Write the equation for the decomposition of sulfurous...
(c) A slightly ionized compound, usually water 2. Write the equation for the decomposition of sulfurous acid. H₂SO₄ (aa) H2O(l) + 5O2 (9) 3. Using three criteria for double displacement reactions, together with the Se Table in Appendix 5, predict whether a double displacement reaction will occur example below. If reaction will occur, complete and balance the equation, prope cating gases and precipitates. If you believe no reaction will occur, write "no read the right-hand side of the equation. All...
(d) Al2S3 5.41 Use the solubility guidelines in Section 5.3 to predict whether a precipitation reaction will occur when aqueous solutions of the following substances are mixed. (a) NaOH HCIO4 (b) FeCl2 + KOH (c) (NH4)2SO4 + NiCh 5.5
for each reaction- classify as oxidation-reduction,acid-base
or precipitation
Classify each of the following reactions as oxidation-reduction, acid-base, or Note that in order to be a redox reaction, the oxidation number of an element must be different when it is a reactant than when it is a product. (1 point each) precipitation. Classification Reaction Number 24 Ca (s) +2 H2O ()- Ca(OH)2 (s) + H2 (g) 25 CdCl2 (aq)+ Na2S (aq)CdS (s) +2 NaCl (aq) Zn(OH)2 (s) + H2SO4 (aq)ZnSO4 (aq)...
2.(4 points) For each of the following pairs of formulas, predict whether the substances they represent would react in a precipitation reaction. The products formed in the reactions that take place are used in ceramics, cloud seeding, photography, electroplating, and paper coatings. If there is no reaction, write, “No Reaction." If there is a reaction, write the complete equation for the reaction. a. Co(NO3)2(aq) + Na2CO3(aq) → b. Kl(aq) + Pb(CH-02)2(aq) → c. CuSO4(aq) + LINO (aq) → d. Ni(NO3)2(aq)...
11. Use half-reaction potentials to predict whether the following reactions are spontaneous or non-spontaneous in aqueous solutions. a) Cataa) + 2 → Cas + lafaa b) 2 HzSie + O2(e) → 2H30° +2 Sim c) SO2 + MnO200 → Mn?"
Given the following information about the activity series, predict whether the given reaction will occur or not. write a balanced equation. Cu <H2 <Sn Fe<zn<Mg Cu(s) + SnCl2(aq) -- 02 Multiple Choice No reaction will occur Culs SnCl2lad CuCl(ac) Snila Culs SnCiladi+CuCilac Srls < Prev 60 of 60 Co search Next O Beli mer 3 & 4 * 5 6 7 00 9 O E R. Y U u O P
Clear handwriting
The Zn-S-O-H20 Eh-pH diagram and the hydroxide precipitation diagram shown below from the literature is useful in predicting leaching and precipitation reactions of sulfides and oxides/hydroxides. Answer the following questions relevant to these diagrams (a) Write the balanced chemical equations relevant to zinc leaching in solutions represented by lines 4, 5, 18 and 19 (b) Calculate the theoretical pH of a solution of 12 mol/L NaOH at 25 °C, assuming unit activity coefficients (H2O=H*+OH;; K = 1014 at...
(c) A slightly ionized compound, usually water 2. Write the equation for the decomposition of sulfurous acid. H₂SO₄ (aa) H2O(l) + 5O2 (9) 3. Using three criteria for double displacement reactions, together with the Se Table in Appendix 5, predict whether a double displacement reaction will occur example below. If reaction will occur, complete and balance the equation, prope cating gases and precipitates. If you believe no reaction will occur, write "no read the right-hand side of the equation. All...
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