Practice Final A

Practice Final A - Chemistry 2C Practice Final December...

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Chemistry 2C Practice Final December 2003 Instructions The practice final mostly contains new material. Actual Final Exam will be longer. The last page contains the useful information that you will see on the Final Part I. Multiple Choice – Circle the single Best Answer. 1. Consider the mechanism: O 3 (g) Ù O 2 (g) + O(g) fast; reaches equilibrium O(g) + O 3 (g) 2O 2 (g) slow What is a reasonable rate law? A) rate = k 1 [O 3 ] B) rate = k 2 [O 3 ][O] C) rate = k’[O 3 ] 2 [O 2 ] D) rate = k’[O 3 ][O 2 ] 2 E) None of the above 2. Consider the mechanism: O 3 (g) Ù O 2 (g) + O(g) fast; reaches equilibrium O(g) + O 3 (g) 2O 2 (g) slow What is the overall reaction? A ) O 3 O 2 (g) + O(g) B ) 3 O 2 (g) 2O 3 (g) C ) 2 O 3 (g) 3O 2 (g) D) 2O(g) O 2 (g) E) None of the above 3. Consider the mechanism: O 3 (g) Ù O 2 (g) + O(g) fast; reaches equilibrium O(g) + O 3 (g) 2O 2 (g) slow An intermediate in this reaction is A) O 2 (g) B) O(g) C) O 3 (g) D) O
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4. The nuclear equation for the disintegration of U-238 produces Th-234. What other nuclide is produced? A) 4 He B) β - C) 3 He D) positron E) neutron 5. If In-116 undergoes β - emission, what other nuclide is produced? A) Cd-115 B) Sn-116 C) Sb-120 D) Ag-112 E) Cd-116 6. The most ionizing radiation is of what type? A) alpha B) beta C) gamma D) electron E) neutron 7. The nuclide 198 Pt lies above the band of stability. This nuclide is likely to undergo A) positron emission. B) orbital electron capture. C)
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Practice Final A - Chemistry 2C Practice Final December...

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