Get the information you need with the help of IDNLearn.com's expert community. Ask any question and get a detailed, reliable answer from our community of experts.
Sagot :
Lattice energy is obtained from Hess law of constant heat summation. The lattice energy of MX3 is -6272 kJ/mol.
We have the following information from the question;
Heat of formation (ΔH∘f) = −917 kJ/mol
Heat of sublimation ( ΔHsub) = 131 kJ/mol
Sum of ionization energies of the meta (IE)= (IE1 + 1E2 + IE3) = 4981 kJ/mol
Electron affinity (EA) = −305 kJ/mol
Bond energy of X2 (BE) = 243 kJ/mol
Lattice energy (U) = ?
Using Hess law of constant heat summation;
ΔH∘f = ΔHsub + BE + IE + EA + U
Substituting values;
−917 kJ/mol = 131 kJ/mol + 243 kJ/mol + 4981 kJ/mol + U
U = (−917 kJ/mol) - [ 131 kJ/mol + 243 kJ/mol + 4981 kJ/mol]
U = -6272 kJ/mol
Learn more: https://brainly.com/question/5624100
We greatly appreciate every question and answer you provide. Keep engaging and finding the best solutions. This community is the perfect place to learn and grow together. Your questions deserve precise answers. Thank you for visiting IDNLearn.com, and see you again soon for more helpful information.