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Answers to Problems
Chapter 1
Multiple-Choice Test (p. 15)
l.(c); 2 (b); 3.(d); 4.(a); 5.(a); 6.(d).
Chapters 2 and 3
Multiple-Choice Test (p. 34)
1 .(c); 2.(b); 3.(a); 4.(d); 5.(a).
Long Questions (p. 35)
1. - 1366.81 kJ mol- *; 2. 158.83 kJ mol- ', non-spontaneous reaction;
3. - 1193.78 kJ mol-', spontaneous reaction.
Chapters 4 and 5
Multiple-Choice Test (p. 61)
1 .(b); 2.(c); 3.(d); 4.(a); 5.(a); 6.(c).
Long Questions (p. 62)
1. [H30]' = [HC03]- = 2.51 x lov4 M; [CO,]*- = 5.6~ lo-" M;
2.4.4; 3. 9.9.
Chapters 6 and 7
Multiple-choice Test (p. 110)
l.(c); 2.(a); 3.(b); 4.(d); 5.(d); 6.(d); 7.(a); &(a); 9.(c); lO.(c).
Long Questions (p. 11 1)
1. 21 8.09 kJmol-', non-spontaneous reaction; 2. 1.04 V;
3.6.72 x lo", spontaneous reaction; 4. 858 cm3; 5. 2.49 h; 6. I11 .
