3. Use the following data to estimate AH° for magnesium fluoride. Mg(s) + F2 (g) MgF2 (s) -2913 kJ/mol Lattice energy First ionization energy of Mg Second ionization energy of Mg Electron affinity of F Bond energy of F2 Enthalpy of sublimation for Mg 735 kJ/mol 1445 kJ/mol -328KJ/mol 154KJ/mol 150kJ/mol

3. Use the following data to estimate AH° for magnesium fluoride. Mg(s) + F2 (g) MgF2 (s) -2913 kJ/mol Lattice energy First ionization energy of Mg Second ionization energy of Mg Electron affinity of F Bond energy of F2 Enthalpy of sublimation for Mg 735 kJ/mol 1445 kJ/mol -328KJ/mol 154KJ/mol 150kJ/mol

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

The charges and sizes of the ions in an ionic compound affect the strength of the electrostatic interaction between the ions and thus the strength of the lattice energy of the ionic compound. Arrange the compounds according to the magnitudes of their lattice energies based on the relative ion charges and sizes. (highest to lowest) Mgo,NaF,MgF2, and KCI
Place the following compounds in order of magnitude of lattice energy.
How can I find the lattice energy of KBr when I have information such as entalpy of formation of KBr entalpy of sublimation of K entalpy of vaporization of Br2 bond energy of Br2 first ionization energy of K electron affinty of Br
ding 1.pdf (63.5 KB) AH (kJ) -400 Chemical Equation Process Formation M(s) +1/2X2(g)→MX(s) 55 Sublimation 246 First lonization Energy Bond dissociation 200 -150 X(g) + e (g) → X(g) Electron Affinity Lattice Energy చంత త
9. Use the following data to calculate the lattice energy of Cao. The enthalpy of formation of Cao is –636 kj/mol. The enthalpy of sublimation of Ca is +192 kj/mol, the first ionization energy of Ca is +590 kj/mol, and the second ionization energy of Ca is +1145 kj/mol. The enthalpy of dissociation of 02 is +494 kj/mol of 02 molecules, the first electron affinity of O is -141 kj/mol of 0 atoms, and the second electron affinity of 0 is +845 kj/mol of 0¯ ions.
Calculate the lattice energy of RbH (s) using the following thermodynamic data (all data is in kJ/mol). Note that the data given has been perturbed, so looking up the answer is probably not a good idea. AHsublimation 61 kJ/mol Ionization energy = 383 kJ/mol Rb (s) Rb (g) H - H (g) Bond energy = 416 kJ/mol H (g) Electron affinity = -93 kJ/mol RbH (s) AHOf = -72 kJ/mol kJ/mol
PCl3(g) + Cl2 (g) --><-- PCl5(g) A. Use a bond energy to find deltaHo for the reaction. Cl - Cl, 339 kJ/mole; P - Cl, 289 kJ/mole. B. Calculate the value of deltaSo for the reaction. So(PCl5) = 364.2 J/mol * K; So(PCl3) = 311.6 J/mol * K; So(Cl2) = 165.2 J/mol * K.
Calculate the standard energy of formation of CI0 from the following bond energies. f Cl2: 242.7 kJ/mol O2: 498.7 kJ/mol C10: 206 kJ/mol kJ/mol
list the following ionic compounds: CsCl, ScN, MgO, LiCl, in order from smallest to largest lattice energy E and explain the order based on the strength of ionic interactions in each compound
Using the values given in the table below, calculate lattice energy of KCI. Express your final answer to 2 decimal places only. Enthalpy of formation of Al,0, = -1,675.7 kJ/mol. Enthalpy of atomisation Al, +326 kJ/mol. 1st ionisation energy of Al = +577.6 kJ/mol. 2nd ionisation energy of Al =+1,816.6 kJ/mol. 3rd ionisation energy of Al =+2,744.7 kJ/mol. Enthalpy of bond dissociation of O =+493.6 kJ/mol. 1st electron affinity of O = 141.0 kJ/mol. 2nd electron affinity of O =779.6 kJ/mol. 3 (s) %3D 2 (g)
Suppose a chemist discovers a new metallic element and names it "Xercisium" (Xr). Xr exhibits chemical behaviour similar to an alkaline earth. Xr(s) + Cl2(g) → XrCl2(s) Lattice energy for XrCl2 -2020. kJ/mol First Ionization energy of Xr 500. kJ/mol Second Ionization energy of Xr 950. kJ/mol Electron affinity of Cl -348.7 kJ/mol Bond energy of Cl2 239 kJ/mol Enthalpy of sublimation (atomization) of Xr 200. kJ/mol Use the above data to calculate ΔH°f for Xercisium chloride.