I want someone answer these questions
I want someone answer these questions
1. Predict the lattice structures adopted by the following ionic solids ?
a-CaF2
b- Li2S
c-FeO2
d-CrP
2. Zinc Blende is a structure commonly found for ionic solids of the type M2+X2-, but bonding in the eponymous ZnS has a significant amount of covalent character.
a. Calculate the ionic attraction between a Zn2+ cation and an S2- anion in the gas phase.
b. Using the Born-Landé equation, predict the lattice enthalpy for ZnS.
c. Draw a Born-Haber cycle for ZnS, and use it to determine the lattice enthalpy for ZnS .
d. Based on your answers to parts b and c, estimate the amounts of ionic and covalent bonding in ZnS.
3.Unlike C=O bonds, Si=O bonds are not thermodynamically stable, and rapidly convert to Si-O bonds.
a. Draw MO diagrams for CO2 and SiO2, considering both a possible linear (i.e. O=C=O and O=Si=O) and tetrahedral arrangement of the molecules.
b. Based on your MO diagrams from part a, propose a hypothesis as to why SiO2 forms repeating tetrahedral units, while CO2 forms discrete dimers.
c. What experiment could you conduct in order to test this hypothesis? The post I want someone answer these questions first appeared on bestnursingtutor.com .I want someone answer these questions was first posted on January 23, 2024 at 11:03 am.©2019 "bestnursingtutor.com ". Use of this feed is for personal non-commercial use only. If you are not reading this article in your feed reader, then the site is guilty of copyright infringement. Please contact me at [email protected]
