Chemistry Homework Help

Browse Homework Solutions

20 solutions

Born Haber Cycle

Q. Given the following thermodynamic data, calculate the lattice energy of K2O: ΔH°f[K2O(s)] = -362 kJ/mol ΔH°sublimation [K] = 89 kJ/mol ΔH°f[O(g)] = 249 kJ/mol IE1 (K) = 419 kJ/mol EA1 (O) = -141 kJ/mol EA2 (O) = 844 kJ/mol

Solved • Nov 20, 2019

Born Haber Cycle

Q. Given the following thermodynamic data, calculate the lattice energy of MgO: ΔH°f[MgO(s)] = -602 kJ/mol ΔH°sublimation [Mg] = 148 kJ/mol Bond energy [O=O] = 498 kJ/mol IE1 (Mg) = 738 kJ/mol IE2 (Mg) = 1450 kJ/mol EA1 (O) = -141 kJ/mol EA2 (O) = 844 kJ/mol

Solved • Nov 19, 2019

Born Haber Cycle

Q. Given the following thermodynamic data, calculate the lattice energy of KCl: ΔH°f[KCl(s)] = -437 kJ/mol ΔH°sublimation [K] = 89 kJ/mol Bond energy [Cl-Cl] = 243 kJ/mol IE1 (K) = 419 kJ/mol EA1 (Cl) = -349 kJ/mol

Solved • Nov 19, 2019

Born Haber Cycle

Q. Given the following thermodynamic data, calculate the lattice energy of CsCl: ΔH°f[CsCl(s)] = -438 kJ/mol ΔH°sublimation [Cs] = 76.5 kJ/mol Bond energy [Cl-Cl] = 243 kJ/mol IE1 (Cs) = 376 kJ/mol EA1 (Cl) = -349 kJ/mol

Solved • Nov 14, 2019

Born Haber Cycle

Q. Given the following thermodynamic data, calculate the lattice energy of NaCl: ΔH°f[NaCl(s)] = -411 kJ/mol ΔH°f [Clg] = 121.5 kJ/mol ΔH°sublimation [Na] = 109 kJ/mol IE1 (Na) = 496 kJ/mol EA1 (Cl) = -349 kJ/mol

Solved • Nov 14, 2019

Born Haber Cycle

Q. Use the data given below to construct a born-haber cycle to determine the second ionization energy of Ca

Solved • Nov 14, 2019

Born Haber Cycle

Q. Calculate the lattice energy (kJ/mol) of the hypothetical ionic compound MX2 from the information given.

Solved • Nov 2, 2019