Assignment 2
5 marks each
1.
Construct a Born-Haber cycle to calculate the lattice energy of MgCl 2.
(Use data from Appendix II, Table 8.1, Figure 8.15 and Figure 9.4 of the
textbook.)
The CRC Handbook of Chemistry and Physics lists the MgCl2 lattice
ener
33 SOGNaH— + %'13166?6
= ageuoo; (\qﬁseaw 3%
b0- 713.8 1’ 13.6: 6 27-00-60 o\o
:1 E49,. '56, 6;“;
kmﬂ ‘
1 \u a -I" a 'u. u‘ . a . ‘ - 0. ' oo' o
I
-.a ‘V c x K a. u ’. \ a ' mm at a. 0. us a u in ’. Ian' . |1'
-‘ ' \n. Quti‘ A \‘(4 I .
Sample Final Examination
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examination you would not be allowed consult your books or notes;
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Sample Midterm Examination
The midterm examination is two (2) hours long. In the actual
examination you would not be allowed to consult your books or notes;
however, you would be able to use a calculator. We strongly
recommend that you sit this examinatio
PHYSICAL CONSTANTS
1 atm = 760 mm Hg = 760 Torr = 101.3 kPa
R = 8.314 JK-1mol-1 or 0.08206 LatmK-1mol-1
h = 6.626 x 10-34 Js
N = 6.023 x 1023 mol-1
e = 1.6021 x 10-19 coulomb
F = 96,485 Cmol-1 or 96,485 JV-1mol-1
c = 3.00 x 108 ms-1
ACID-BASE INDICATORS A