3 .Which one of the following reactions is a redox reaction?
1. 2Al(s) + 2KOH(aq) + 6H2O(l) → 2KAl(OH)4(aq) + 3H2(g)
2. Pb(NO3)2(aq) + 2HCl(aq) → PbCl2(s) + 2HNO3(aq)
3. Zn(OH)2(aq) + H2SO4(aq) → ZnSO4(aq) + 2H2O(l)
3 .Which one of the following reactions is a redox reaction? 1. 2Al(s) + 2KOH(aq)...
Determine the reactions occurring in the following equations 1) Al2(SO4)3(aq) + K2SO4(aq) + 24 H2O(l) ----> 2KAl(SO4)2 * 12H2O(s) 2) 2Al(s) + 2KOH(aq) +4 H2SO4(aq) + 22H20(l) - - - > 2KAl(SO4)2*12H20(s) + 3H2(g) The following is a bank for the types of reactions that can be occurring. Two or more can be present in one equation. Metathesis Reactions Redox Reactions Single Displacement Reactions Double Displacement Reactions Combination Reactions Decomposition Reactions
Which of the following reactions would ΔH = ΔE? 2Al(s) + 6HCl(aq) --> 2AlCl3(aq) + 3H2(g) CaCO3(s) --> CaO(s) + CO2(g) C(s) + O2(g) --> CO2(g) C3H4(g) + 4O2(g) --> 3CO2(g) + 2H2O(l) Zn+2(aq) + 2OH-(aq) --> Zn(OH)2(s)
Which of the reactions below does not represent a redox reaction? O 3 Al (s) + 6 HCl(aq) - 3H2(g) + AICI3 (aq) O 2 NaCl (aq) + Pb(NO3)2 (aq) PbCl2 (s) + 3 NaNO3 (aq) 2 Nal (aq) + Br2 (1) 2 NaBr (aq) + 12 (g) O 2 H20 (1)2 H2 (g) + O2 (g) None of these
Classify the type of reactions 1. Cu(s) + 4HNO3 (aq) -> Cu(NO3)2(aq) + 2H2O (l) + 2NO2(g) 2. Cu(s) + 4H3O+ (aq) + 2NO3- (aq) -> [Cu(H2O)6]2+ (aq)+ 2NO2(g) 3. [Cu(H2O)6]2+ (aq)+ NaOH (aq)-> Cu(OH)2 (s) + 5H2O (l) 4. Cu(OH)2 (s) (+ heat) -> CuO (s) + H2O (l) 5. CuO (s) + H2SO4 (aq) -> CuSO4 (aq) + H2O(l) 6. CuSO4 (aq) + Zn (s) -> Cu (s) + ZnSO4 (aq) 7. Zn (s) + H2SO4 (aq) -> ZnSO4...
8. Which of the following reactants, when mixed, would evolve a gas. a) Li2S(aq) + 2HCl(aq) → b) Na2SO3(aq) + HNO3(aq) → c) K2CO3(aq) + 2HCl(aq) → d) All of the above. e) Only b and c. 9. Which of the following samples has the fewest moles of gas? a) 1.00 L of CH4 at 10°C and 1.00 atm b) 1.00 L of NH3 at 10°C and 1.00 atm 1.00 L of HCl at 20°C and 1.00 atm a) 1.00...
what is the total ionic equation of 2KAl(OH)4 (aq) + H2SO4(aq) —> 2Al(OH)3(s) +K2SO4(aq) +2H2O(l)
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
what is the total ionic (not net) equation of 2KAl(OH)4(aq)+H2SO4(aq)=2Al(OH)3(s)+K2SO4(aq)+2H2O(l)
Part A. Which of the following is not a redox reaction? H2O(l) + NH3(g) NH4+(aq) + OH–(aq) 2H2(g) + O2(g) 2H2O(l) Zn(s) + H2SO4(aq) ZnSO4(aq) + H2(g) FeSO4(aq) + K2Cr2O7(aq) + 7H2SO4(aq) Cr2(SO4)3(aq) + 3Fe2(SO4)3(aq) + K2SO4(aq) + 7H2O(l) Cl2(g) + 2KBr(aq) Br2(l) + 2KCl(aq) Part B. A 43.46 mL sample of Na2SO3 was titrated with 68.99 mL of 0.128 M K2Cr2O7 solution in the presence of H2SO4. Calculate the molarity of the Na2SO3 solution. Enter to 3 decimal...
2Al(s)+2KOH(aq)+4H2SO4+22H2O(l)→2KAl(SO4)2⦁12H2O(s)+3H2(g) What is the limiting reactant, theoretical and percent yield of this equation? 1.03 grams of Al foil 35.10 grams of KOH 15 grams of Sulfuric acid 20 grams of water the mass of the product is 24.88 grams