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April 17, 2014

Homework Help: Chem/ Calculating Lattice Energy, Vapor Pressure

Posted by Danya on Thursday, December 6, 2012 at 5:11am.

How do you calculate lattice energy?

I have to place the following in order of decreasing magnitude of lattice energy, but I don't know how to do it.

KF MgS RbI

Is there a formula or some simple way of knowing which has the greatest energy?

2. I also have the same question, but with regard to vapor pressure. Given NF3, NH3, and BCl3, how do I figure out their vapor pressures? Thanks.

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