Most teachers will agree that a perfect answer key is rare. The reasons are as numerous as the errors: typos, strained eyes, misread questions, etc. If your answers do not agree, consult a good chemistry teacher about any questions you might have. I would appreciate knowing about any errors that you might find.
Short Answer
1. increase concentratin--increases rate; increase temperature--increases rate; add catalyst--rate can be both increased and decreased; increase surface area--increase rate
2. k=1.47, p=1, q=2.58
3. 2nd order in A, 1st in B, 3rd overall
4. k= 0.09 min-1 ; halflife = 7.7 min if starting concentration used.
k=0.20 min-1; halflife = 3.46 min if the average concentration is used.
6. 0.037
7. (a) products; (b) reactants; (c) products; (d) products.
8. 5645 J/mol
Extra Credit
1. 0.423
2. B=C=0.002 mols; A=1.996 mols
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