john10
Mar 19, 2007, 01:47 AM
Question: The net potential energy between two ions (e.g. Na+ andCl-) can be
Represented as follows:
EN =EA+ER = -A/r +B/rn
(a) Calculate the bonding energy E0 in terms of the A, B, and n
Parameters.
(b) For A=1.436; B=7.2x 10-6 and n=8 (energy expressed in electron volts and distance in nanometers) superimpose on a single plot EA, ER and EN and graphically determine r0 and E0 values;
(c) Mathematically determine the same values (r0 and E0) from the
Solution of section (a) and compare these with graphical results.
Represented as follows:
EN =EA+ER = -A/r +B/rn
(a) Calculate the bonding energy E0 in terms of the A, B, and n
Parameters.
(b) For A=1.436; B=7.2x 10-6 and n=8 (energy expressed in electron volts and distance in nanometers) superimpose on a single plot EA, ER and EN and graphically determine r0 and E0 values;
(c) Mathematically determine the same values (r0 and E0) from the
Solution of section (a) and compare these with graphical results.