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which of the following is the closest corrwct value for the
crystal lattice energy (CLE) for...
Draw a Born Haber cycle for gallium(I) oxide and calculate the crystal lattice energy for Gallium(I)...
Draw a Born Haber cycle for gallium(I) oxide and calculate the crystal lattice energy for Gallium(I) oxide, given: ΔH°sub (Ga) = 277 kJ/mol E.A.1 (O) = –133 kJ/mol I.E.1(Ga) = 578.84 kJ/mol E.A.2 (O) = 247 kJ/mol I.E.2(Ga) = 1979.4 kJ/mol B.D.E.(O2) = 495 kJ/mol I.E.3(Ga) = 2964.5 kJ/mol ΔHf° (Ga2O) = – 349.8 kJ/mol ANS: -2779 kJ/mol (It was in the Answer Key)
Part I. Use a Born-Haber cycle to calculate the lattice energy of KCl from the following...
Part I. Use a Born-Haber cycle to calculate the lattice energy of KCl from the following data. (5 marks) Ionization energy of K(g) = 444.0 kJ mol-1 Electron Affinity of Cl(g) = -381.0 kJ mol-1 Energy to Sublime K(s) = 152.0 kJ mol-1 Bond energy of Cl2 = 201.0 kJ mol-1 ∆rH for K(s) + 1/2 Cl2(g) ↔ KCl(s) = -480.0 kJ mol-1 art II. Using the lattice energy calculated in part I determine the enthalpy of solution potassium chloride...
Consider the following information. • The lattice energy of KCl is AHlattice = -701 kJ/mol. •...
Consider the following information. • The lattice energy of KCl is AHlattice = -701 kJ/mol. • The enthalpy of sublimation of K is AHsub = 89.0 kJ/mol. • The first ionization energy of K is IE1 = 419 kJ/mol. • The electron affinity of Cl is AHEA = -349 kJ/mol. • The bond energy of Cl, is BE = 243 kJ/mol. Determine the enthalpy of formation, AHf, for KCl(s). AHư= kJ/mol
2. Find the experimental Lattice energy of aluminum oxide using a Born-Haber cycle using the following...
2. Find the experimental Lattice energy of aluminum oxide using a Born-Haber cycle using the following information: AH (aluminum oxide) = -1676 kJ/mol IE, (aluminum) = 577.6 kJ/mol IE, (aluminum) =1816.7 kJ/mol IE, (aluminum) = 2744.8 kJ/mol AH® (aluminum atom, g) = 329.7 kJ/mol AHⓇEAI (oxygen) = -200.4 kJ/mol AHⓇEAT (oxygen) = 780.0 kJ/mol AH® (oxygen atom, g) = 249.2 kJ/mol Write each of the appropriate balanced chemical equations (with physical state) and assign the appropriate enthalpy to each. Be...
7) For the ionic solid AlzOs a) Determine its lattice energy using the appropriate Born-Haber cycle...
7) For the ionic solid AlzOs a) Determine its lattice energy using the appropriate Born-Haber cycle and the following values. All values in kJ/mol: IEi (A)-557.5:IE2 (A)-1817; IEs (A)-2745; IE(Al) 11580 E (0)-1314; IE2 (0) 3388; IEs (O)-5300 ΔΗ"a (O) =-141 (first electron affinity) ; ΔΗ'EA AH (Al) 330; AHa (O)-249;AH (Al Os)--1669.8 (o)- 798 (second electron affinity) b) Al:O, crystallizes in a corundum structure. How does the above lattice energy compare to the lattice energy determined by an electrostatic...
Given the following reactions, find the lattice energy of KI: K*(g) + F(g) → Kl(s) K(s)...
Given the following reactions, find the lattice energy of KI: K*(g) + F(g) → Kl(s) K(s) → K(g) AH, = 89.6 kJ/mol K(g) → K+(g) + e AHE = 418.9 kJ/mol 1z(s) → 21(g) AH, = 213.6 kJ/mol I(g) +e → (g) AHEA = -295.2 kJ/mol K(s) + 0.5 12(s) → Kl(s) AH, = -328 kJ/mol
pleas help me with 11 & 12 11. Zirconium reacts with iodine to form zirconium (III)...
pleas help me with 11 & 12
11. Zirconium reacts with iodine to form zirconium (III) iodide, releasing heat: 2 Zr(s) + 3 12 (9) 2 Zrlə (s) AH m = - 842.4 kJ/mol Determine the mass of zirconium that reacts if 1661 kJ of heat is given off by the reaction. 12. Use the Born-Haber cycle to calculate the lattice energy of LiClo) given the following data: AH(atomization Li = 155.2 kJ/mol ionization energy Li = 520 kJ/mol bond...
Using the Born-Haber cycle shown below, calculate the lattice energy for MgCl2 in kJ* mol-1 Mg**g)...
Using the Born-Haber cycle shown below, calculate the lattice energy for MgCl2 in kJ* mol-1 Mg**g) + 2Cl(g) 2 x-349 AH2nd le(Mg) - 1451 2xAH (01) --698 My*(g) 2013) Mg (g) + 2Cl(g) AHORE (Mg) - 738 Mg(g) + 2Cl(g) 2 x 122 2xAH CIT- +244 Mg(g) + Cl2(g) AHTE (MgCl2) Mg(s) + Clą(9) AHM9) - 148 AH, (MgCl2) --641 MgCl (s)
14 (a) Give a definition of lattice energy. Does your definition mean that the associated enthalpy...
14 (a) Give a definition of lattice energy. Does your definition mean that the associated enthalpy of reaction will be positive or negative? (b) Use the Born-Landé equation to calculate a value for the lattice energy of KBr, for which ro = 328 pm. KB adopts an NaCl structure; other data may be found in Tables 6.3 and 6.4. lattice drum Table 6.3) can be evalu where repulsion coefficient Bom exponent Values of the Bom exponent (Table from compressibility data...
Calculate the lattice energy of lithium iodide, using both the Born–Landé and the Kapustinskii equations. Compare...
Calculate the lattice energy of lithium iodide, using both the
Born–Landé and the Kapustinskii equations. Compare these values
with those found in Table 8.3.
TABLE 8.3 Thermochemical Data and Lattice Energies for Alkali-Metal Halides AH, 298 AHSub" IE AH EA UB-H UB-L diff." Ulan LIF - 968 -886 - 784 7.5 4.5 5.1 5.1 - 960 - 873 - 774 NaF KF REF CsF - 752 -- 741 -709 4.3 LiCI 1 59.4 107.3 89.2 80.9 76.1 159.4 107.3 89.2...
Consider the following information. • The lattice energy of KCl is AHlattice = -701 kJ/mol. • The enthalpy of sublimation of K is AHsub = 89.0 kJ/mol. • The first ionization energy of K is IE1 = 419 kJ/mol. • The electron affinity of Cl is AHEA = -349 kJ/mol. • The bond energy of Cl, is BE = 243 kJ/mol. Determine the enthalpy of formation, AHf, for KCl(s). AHư= kJ/mol
2. Find the experimental Lattice energy of aluminum oxide using a Born-Haber cycle using the following information: AH (aluminum oxide) = -1676 kJ/mol IE, (aluminum) = 577.6 kJ/mol IE, (aluminum) =1816.7 kJ/mol IE, (aluminum) = 2744.8 kJ/mol AH® (aluminum atom, g) = 329.7 kJ/mol AHⓇEAI (oxygen) = -200.4 kJ/mol AHⓇEAT (oxygen) = 780.0 kJ/mol AH® (oxygen atom, g) = 249.2 kJ/mol Write each of the appropriate balanced chemical equations (with physical state) and assign the appropriate enthalpy to each. Be...
7) For the ionic solid AlzOs a) Determine its lattice energy using the appropriate Born-Haber cycle and the following values. All values in kJ/mol: IEi (A)-557.5:IE2 (A)-1817; IEs (A)-2745; IE(Al) 11580 E (0)-1314; IE2 (0) 3388; IEs (O)-5300 ΔΗ"a (O) =-141 (first electron affinity) ; ΔΗ'EA AH (Al) 330; AHa (O)-249;AH (Al Os)--1669.8 (o)- 798 (second electron affinity) b) Al:O, crystallizes in a corundum structure. How does the above lattice energy compare to the lattice energy determined by an electrostatic...
Given the following reactions, find the lattice energy of KI: K*(g) + F(g) → Kl(s) K(s) → K(g) AH, = 89.6 kJ/mol K(g) → K+(g) + e AHE = 418.9 kJ/mol 1z(s) → 21(g) AH, = 213.6 kJ/mol I(g) +e → (g) AHEA = -295.2 kJ/mol K(s) + 0.5 12(s) → Kl(s) AH, = -328 kJ/mol
pleas help me with 11 & 12
11. Zirconium reacts with iodine to form zirconium (III) iodide, releasing heat: 2 Zr(s) + 3 12 (9) 2 Zrlə (s) AH m = - 842.4 kJ/mol Determine the mass of zirconium that reacts if 1661 kJ of heat is given off by the reaction. 12. Use the Born-Haber cycle to calculate the lattice energy of LiClo) given the following data: AH(atomization Li = 155.2 kJ/mol ionization energy Li = 520 kJ/mol bond...
Using the Born-Haber cycle shown below, calculate the lattice energy for MgCl2 in kJ* mol-1 Mg**g) + 2Cl(g) 2 x-349 AH2nd le(Mg) - 1451 2xAH (01) --698 My*(g) 2013) Mg (g) + 2Cl(g) AHORE (Mg) - 738 Mg(g) + 2Cl(g) 2 x 122 2xAH CIT- +244 Mg(g) + Cl2(g) AHTE (MgCl2) Mg(s) + Clą(9) AHM9) - 148 AH, (MgCl2) --641 MgCl (s)
14 (a) Give a definition of lattice energy. Does your definition mean that the associated enthalpy of reaction will be positive or negative? (b) Use the Born-Landé equation to calculate a value for the lattice energy of KBr, for which ro = 328 pm. KB adopts an NaCl structure; other data may be found in Tables 6.3 and 6.4. lattice drum Table 6.3) can be evalu where repulsion coefficient Bom exponent Values of the Bom exponent (Table from compressibility data...
Calculate the lattice energy of lithium iodide, using both the
Born–Landé and the Kapustinskii equations. Compare these values
with those found in Table 8.3.
TABLE 8.3 Thermochemical Data and Lattice Energies for Alkali-Metal Halides AH, 298 AHSub" IE AH EA UB-H UB-L diff." Ulan LIF - 968 -886 - 784 7.5 4.5 5.1 5.1 - 960 - 873 - 774 NaF KF REF CsF - 752 -- 741 -709 4.3 LiCI 1 59.4 107.3 89.2 80.9 76.1 159.4 107.3 89.2...
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