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![5. Consider the following reaction and answer the questions which follow.
[Zn(H₂O)]²+ + 4 NH3 = [Zn(NH3)4]²+ + 4H₂O
5.1. Write down the expression for Kez (K₂)
5.2. Write down the expression for ₂.
Page 3 of 4
5.2.1. = (Kn)(Kr). If ₂ was found to be 2.314 x 10³ dm³ mol, which of the two
ligands, H₂O and NH₁, binds relatively more strongly to Zn?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3073c847-838c-45a6-b266-9abb8a68493a%2F8298aca1-d45b-4cc0-8e36-3db2586cca05%2Ffg22idi_processed.jpeg&w=3840&q=75)
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- Calculate K1 for the reaction: Fe(s) + H2O(g) ⇔ FeO(s) + H2(g) K1 = ? given the following data: H2O(g) + CO(g) ⇔ H2(g) + CO2(g) K2 = 1.6 FeO(s) + CO(g) ⇔ Fe(s) + CO2(g) K3 = 0.67 Type your final answer to 2 decimal places.3. Is the reaction Co(H2O)6²+(aq) + 4 Cl'(aq) → CoCl,²- (aq) + 6 H2O (I) endo or exothermic? Explain.2 Consider the insoluble compound aluminum phosphate, AIPO4. The aluminum ion also forms a complex with hydroxide ions. Write a balanced net ionic equation to show why the solubility of AIPO4 (s) increases in the presence of hydroxide ions and calculate the equilibrium constant for this reaction. For Al(OH)4, K₁= 7.7x1033. Be sure to specify states such as (aq) or (s). K= Submit Answer 54 $ R % 5 Use the References to access important values if needed for this question. T ? Retry Entire Group 9 more group attempts remaining Cengage Learning | Cengage Technical Support A 6 MacBook Pro Y H & 1 U - A * 8 1 A ( 9 ) 0 0 P K L Previous Email Instructor { [ + 11 = Next Save and Ex }
- 4. Write a dissociation equation for the following: a) CaCl b) Al-(SO.)x0).4. The common oxidation number for an alkaline earth metal is +2. (a) Using the Born-Mayer equation (for determining the lattice enthalpy) and a Born-Haber cycle (draw it), show that CaCl is an exothermic compound (negative AHf). Make a reasonable prediction to estimate the ionic radius of Ca (explain your reasoning). The sublimation (atomization) enthalpy for Ca(s) is 178 kJ/mol. (b) Show that an explanation for the non-existence of CaCl can be found in the enthalpy change for the reaction below. The AHf for CaCl2(s) is -190.2 kcal/mol. 2 CaCl(s) → Ca(s) + CaCl2(s)Calculate AH for the following reaction, FeO(s) + CO(g) -----> Fe(s) + CO2(g), from the following data, Fe2O3(s) + 3CO(g) -----> 2Fe(s) + 3CO2(g) 3Fe2O3(s) + CO(g) > 2FE3O4(s) + CO2(g) Fe;O4(s) + CO(g) AH = -23 KJ AH = -39 KJ --- -- -----> 3FeO(s) + CO2(g) AH =+18 KJ %3D
- Co(H2O)62* (ag) +CF(ag) = CoCl42-(ag) + H2O (1) a) Balance this equation and write the expression for the equilibrium constant for this reaction. Write the expression for the equilibrium constant for this reaction. b) If the concentrations of all species are 2.50M at 25°C and the equilibrium constant of the reaction at 25°C is Keq = 2.85 102, how will the reaction shift? Show calculations and explanation. c) Explain the effect of adding silver nitrate to the solution. How does it shift the reaction? Provide the ionic equation.9. Calculate AH for the reaction 4NH3 (g) + 502 (g) → 4NO (g) + 6H20 (g), from the following data. → 2 NO (g) a. N2 (g) + 02 (g) - b. N2 (g) + 3 H2 (g) → 2 NH3 (g) c. 2 H2 (g) + 02 (g) → 2 H20 (g) AH = -180, 5 kJ AH =-91, 8 kJ AH = -483. 6 kJCalculate the lattice energy of AgBr(s) using the following thermodynamic data (all data is in kJ/mol). Ag(s) ΔHsublimation = 265 kJ/mol Ag(g) Ionization energy = 711 kJ/mol Br-Br(g) Bond energy = 173 kJ/mol Br(g) Electron affinity = -345 kJ/mol AgBr(s) ΔH°f = -120 kJ/mol ______________ kJ/mol
- Calculate ∆o for [Co(H2O)6]2+ in units of kJ.In Equation 1 from the manual, would any of the ions be considered spectator? Explain. This is the chemical equation: [Ni(H2O)6]2+(aq) + 6NH3(aq) ----> [Ni(NH3)6]2+(aq) + 6H2O(l)14. Give the product side of the balanced chemical reaction for the following reaction: Mg (s) + FeCl3 (aq) → (Given that Mg is strong enough for this reaction to occur). (Caution, check phases!) Select one: a. MgCl2 (aq) + Fe (s) b. MgO (s) + CO2 (g) с. Мgз (РОд)2 (aq) + 3 H2О (1) + 3 СО2 (g) d. MgPOд (aq) + H2СОЗ (аq) e. none of these f. MgO (s) g. 3 MgCl2 (aq) + 2 Fe (s) h. Mg3 (PO4)2 (aq) + H20 (1) + CO2 (g) i. Mg3 (PO4)2 (s) + 3 H20 (1) + 3 CO2 (g) j. 2 MgO (s) CO