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• 【題組】9. “Look! Isn’t that the actor in Spider Man? Wow! He is so handsome, and his girlfriend is sobe
• 27. 圖(十一)為一直角柱，其中兩底面為全等的梯形，其面積和為 16；四個側面均為長方形，其面積和為 45。若此直角柱的體積為24，則所有邊的長度和為何？ (A) 30(B) 36(C) 42(D)
• 2. Consider the following rate law: Rate = k [A]n[B]m.How are the exponents n and m determined?(A) B
• 4. An unknown substance dissolves readily in water but not in benzene (a nonpolar solvent).Molecules
• 6. CaCl2(s)+2H2O(g)⇌ CaCl2 •2H2O(s)  Consider the reaction:The equilibrium constant for the reaction
• 7. Which of the following concentration measures will change in value as the temperature of asolutio
• 8. A solution containing 296.6g of Mg(NO3)2 per liter has a density of 1.114 g/mL. The molarity ofth
• 9. Calculate the molality of C2H5OH in a water solution that is prepared by mixing 50.0 mL of C2H5OH
• 10. Which statement about N2 is false?(A) It is a gas at room temperature.(B) The oxidation state is
• 11. Which of these statements about benzene is true?(A) All carbon atoms in benzene are sp3 hybridiz
• 12. When electrons in a molecule are not found between a pair of atoms but move throughout themolecu
• 3. How many oxygen atoms are there in one formula unit of Ca3(PO4)2?(A)2(B)4 (C)6(D)8 (E) none of th
• 13. Which one of the following descriptions for microelectrodes is incorrect?(A) The dimensions of s
• 5. Which of the species below, when dissolved in H2O, will not produce a basic solution?(A) SO2 (B)
• 14. Which one of the following descriptions about GC (gas chromatography) is correct?(A) In GC, the
• 15. Which one of the following detectors is not used for HPLC (high-performance liquidchromatography
• 17. The pH meter is widely used for measuring the H+concentrations in the solutions. Which one ofthe
• 16. Which one of the following descriptions about CE (capillary electrophoresis) is incorrect?(A) El
• 18. Atomic spectrometer is widely applied for the analysis of various elements. Which one of thefoll
• 19. A method of separation that employs a system with two phases of matter, a mobile phase and astat
• 20. A solution is also called a               .(A) homogeneous mixture (B) heterogeneous mixture(C)
• 21. Which one of the following descriptions for the Beer’s law is incorrect?(A) Beer’s law is ordina
• 12. Willy: What happened to you? You look terrible.Sam: I woke up so late that I missed the bus. Tha
• 【題組】43. When the writer went back to see the river, what did she find?(A) The pollution in the river
• 22. Buffer solutions are very important for many analytical applications. Which one of the following