1. Provide balanced chemical equations for each of the chemical reactions that you performed. [Reaction (2b)...
1. Provide balanced chemical equations for each of the chemical reactions that you performed. [Reaction (2b) is omitted here.]
(1a) _______ Pb(NO3)2 (aq) + ________ K2CrO4 (aq) → ________ KNO3 (aq) + ________ PbCrO4 (s)
(1b) _______ Pb(NO3)2 (aq) + ________ Na2SO4 (aq) → ________ NaNO3 (aq) + ________ PbSO4 (s)
(2a) _______ HCl (aq) + ________ Mg (s) → ________ MgCl2 (aq) + ________ H2 (g)
(2c) _____ HC2H3O2 (aq) + ______NaHCO3 (s) → ______ NaC2H3O2 (aq) + _____ H2O (l) + _____ CO2(g)
(3a) _______ NaOH (aq) + ________ HCl (aq) → ________ NaCl (aq) + ________ H2O (l)
(3b) _______ NH4Cl (s) → ________ NH4+ (aq) + ________ Cl– (a
Homework Answers
- Pb(NO3)2 (aq) + K2CrO4 (aq) →2 KNO3 (aq) + PbCrO4 (s)
- Pb(NO3)2 (aq) +Na2SO4 (aq) →2NaNO3 (aq) +PbSO4 (s)
- 2HCl (aq) + Mg (s) → MgCl2 (aq) + H2 (g)
- HC2H3O2 (aq) + NaHCO3 (s) → NaC2H3O2 (aq) + H2O (l) + CO2(g)- already balanced
- NaOH (aq) + HCl (aq) → NaCl (aq) +H2O (l)
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NH4Cl (s) → ________ NH4+ (aq) + ________ Cl-
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1. Provide balanced chemical equations for each of the chemical
reactions that you performed. [Reaction (2b)...
Balance the following chemical equation, classify the type of chemical reaction and write the chemical reaction...
Balance the following chemical equation, classify the type of chemical reaction and write the chemical reaction in words. Pb(NO3)2(aq) + K2CrO4(aq) à PbCrO4(s) + KNO3(aq)
Balance the following chemical equations. Write the word "Balanced" if the equation is already balanced. a)...
Balance the following chemical equations. Write the word "Balanced" if the equation is already balanced. a) 2 H2(g) + O2(g) → 2 H20(1) b) 2NH3(g) + H2SO4(90) → (NH4)2SO4(94) Decomposition Reactions a) 2H2O2(0) → 2 H2O(l) + O2(g) b) "Balanced" CaCO3(s) → "Balanced" CaQ/s) + "Balanced" CO2(g) Single Displacement Reactions a) Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) b) 2Nas) + 2H2O(1) ► 2NaOH(aq) + H2(g double Displacement Reactions a) AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) “Balanced" b) H2SO4(aq)...
Which of the following is a redox reaction? H20 (1) + CO2 (s) - H2CO3(aq) 4K(s)...
Which of the following is a redox reaction? H20 (1) + CO2 (s) - H2CO3(aq) 4K(s) + O2(g) 2 K20 (aq) Na2SO4 (aq) + Pb(NO3)2 (aq) - PbSO4 (s) + 2 NaNO3(aq) HBr (aq) + KOH(aq) -H20 (1) + KBr (aq)
5. Balance the following reaction that occurs in base, using the half-reaction method. NO(g) + MnO4-1(aq)...
5. Balance the following reaction that occurs in base, using the half-reaction method. NO(g) + MnO4-1(aq) ---> NO3-1(aq) + MnO2(s) When this reaction is balanced, there will be (A) OH-1(aq) and (B) H2O(l) in the final balanced equation. (Enter numbers without the plus sign.) 6. 0.122 grams of an unknown triprotic acid was neutralized with 37.2 mL of a 0.125 M NaOH solution. What is the Molar Mass of the unknown acid? Report the answer to three sig figs and...
Which of the reactions below does not represent a redox reaction? 2 NaI (aq) + Br2...
Which of the reactions below does not represent a redox reaction? 2 NaI (aq) + Br2 (l) → 2 NaBr (aq) + I2 (g) 2 NaCl (aq) + Pb(NO3)2 (aq) → PbCl2 (s) + 3 NaNO3 (aq) 3 Al (s) + 6 HCl (aq) → 3 H2 (g) + AlCl3 (aq) 2 H2O (l) → 2 H2 (g) + O2 (g) None of these
Which of the following reactions are redox reactions? A) 4Li(s)+O2(g)→2Li2O(s) B)Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s) C)Pb(NO3)2(aq)+Na2SO4(aq)→PbSO4(s)+2NaNO3(aq) D)HBr(aq)+KOH(aq)→H2O(l)+KBr(aq)
Which of the following reactions are redox reactions? A) 4Li(s)+O2(g)→2Li2O(s) B)Mg(s)+Fe2+(aq)→Mg2+(aq)+Fe(s) C)Pb(NO3)2(aq)+Na2SO4(aq)→PbSO4(s)+2NaNO3(aq) D)HBr(aq)+KOH(aq)→H2O(l)+KBr(aq)
For each of the following unbalanced reactions, suppose exactly 1.48 g of each reactant is taken....
For each of the following unbalanced reactions, suppose exactly 1.48 g of each reactant is taken. Indicate which reactant is the limiting reagent. Calculate the mass of each product that is expected. (a) UO2(s) + HF(aq) → UF4(aq) + H2O(l) limiting reagent [_]UO2 [_]HF UF4 produced g H2O produced g (b) NaNO3(aq) + H2SO4(aq) → Na2SO4(aq) + HNO3(aq) limiting reagent [_] NaNO3 [_] H2SO4 Na2SO4 produced g HNO3 produced g (c) Zn(s) + HCl(aq) → ZnCl2(aq) + H2(g)...
For each of the following unbalanced chemical equations, suppose 1.20 g of each reactant is taken....
For each of the following unbalanced chemical equations, suppose 1.20 g of each reactant is taken. Determine which reactant is limiting, and calculate what mass of each product is expected (assuming that the limiting reactant is completely consumed). a. UO2 (s) + HF(aq) → UF4(aq) + H2O(l) Limiting reactant: Mass of UF4 = Mass of H20 = b. NaNO3(aq) + H2SO4 (aq) → Na2SO4 (aq) + HNO3(aq) Limiting reactant: Mass of Na2SO4 = Mass of HNO3 =
q3 Balance the following chemical reactions (choose "1" if no coefficient is needed): a) [Select] Al2(CO3)3(s)...
q3
Balance the following chemical reactions (choose "1" if no coefficient is needed): a) [Select] Al2(CO3)3(s) - [Select ] Al2O3(s) + (Select) + CO2(9) b) [Select] Hg2(NO3)2(aq) + (Select) NaBr(aq) – (Select] Hg Brz(s) + [Select] NaNO3(aq) c) [Select) (NH)3PO(aq) + (Select ] Pb(NO3)2(aq) - Select] 'Pb3(PO4)2(s) + [Select) NH4NO3(aq) Balance the following chemical reactions (choose "1" if no coefficient is needed): [ Select] [Select ] Al2(CO3)3(s) — (Select] cols b) [Select] "Hg2(NO3)2(aq) + (Select] NaBr(aq) – (Select] Hg2Br2(s) +...
16) Write a balanced net ionic equation for the reaction of H2SO4iag) with Ba(OH)2(g) A) Ba2+(ag)...
16) Write a balanced net ionic equation for the reaction of H2SO4iag) with Ba(OH)2(g) A) Ba2+(ag) + SO42-(a)- BaSO4) B) 2 H+(aq) SO42-(a) Ba2 (ag) +2 OH-(a)-BaSO4(0 2 H20) C) H2SO4(a) + Ba(OH)2(e) - BaSO40) 2 H20() D) H (ag) OH(ag)--H2O) 16) 17) Write a balanced net ionic equation for the reaction of Pb(NO3)2(ag) with Nal(ag). A) Pb2 (ag)+2 NO3-(4g) +2 Na+ (ag) +2 1-(a4)-- Pb2+(ag)+ 2 1-(a4)+ 2 Na (a) +2 NO3-(a) B) Pb2+(ag) 2 NO3-(a) + 2 Na...
Balance the following chemical equations. Write the word "Balanced" if the equation is already balanced. a) 2 H2(g) + O2(g) → 2 H20(1) b) 2NH3(g) + H2SO4(90) → (NH4)2SO4(94) Decomposition Reactions a) 2H2O2(0) → 2 H2O(l) + O2(g) b) "Balanced" CaCO3(s) → "Balanced" CaQ/s) + "Balanced" CO2(g) Single Displacement Reactions a) Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) b) 2Nas) + 2H2O(1) ► 2NaOH(aq) + H2(g double Displacement Reactions a) AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) “Balanced" b) H2SO4(aq)...
Which of the following is a redox reaction? H20 (1) + CO2 (s) - H2CO3(aq) 4K(s) + O2(g) 2 K20 (aq) Na2SO4 (aq) + Pb(NO3)2 (aq) - PbSO4 (s) + 2 NaNO3(aq) HBr (aq) + KOH(aq) -H20 (1) + KBr (aq)
For each of the following unbalanced chemical equations, suppose 1.20 g of each reactant is taken. Determine which reactant is limiting, and calculate what mass of each product is expected (assuming that the limiting reactant is completely consumed). a. UO2 (s) + HF(aq) → UF4(aq) + H2O(l) Limiting reactant: Mass of UF4 = Mass of H20 = b. NaNO3(aq) + H2SO4 (aq) → Na2SO4 (aq) + HNO3(aq) Limiting reactant: Mass of Na2SO4 = Mass of HNO3 =
q3
Balance the following chemical reactions (choose "1" if no coefficient is needed): a) [Select] Al2(CO3)3(s) - [Select ] Al2O3(s) + (Select) + CO2(9) b) [Select] Hg2(NO3)2(aq) + (Select) NaBr(aq) – (Select] Hg Brz(s) + [Select] NaNO3(aq) c) [Select) (NH)3PO(aq) + (Select ] Pb(NO3)2(aq) - Select] 'Pb3(PO4)2(s) + [Select) NH4NO3(aq) Balance the following chemical reactions (choose "1" if no coefficient is needed): [ Select] [Select ] Al2(CO3)3(s) — (Select] cols b) [Select] "Hg2(NO3)2(aq) + (Select] NaBr(aq) – (Select] Hg2Br2(s) +...
16) Write a balanced net ionic equation for the reaction of H2SO4iag) with Ba(OH)2(g) A) Ba2+(ag) + SO42-(a)- BaSO4) B) 2 H+(aq) SO42-(a) Ba2 (ag) +2 OH-(a)-BaSO4(0 2 H20) C) H2SO4(a) + Ba(OH)2(e) - BaSO40) 2 H20() D) H (ag) OH(ag)--H2O) 16) 17) Write a balanced net ionic equation for the reaction of Pb(NO3)2(ag) with Nal(ag). A) Pb2 (ag)+2 NO3-(4g) +2 Na+ (ag) +2 1-(a4)-- Pb2+(ag)+ 2 1-(a4)+ 2 Na (a) +2 NO3-(a) B) Pb2+(ag) 2 NO3-(a) + 2 Na...
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