資訊推薦

• 30. The elements X, Y and Z can be combined to form the compound XYZ3; the sum of the atomic numbers
• 31. In a Carnot engine, what is the working substance? (A) the air (B) an ideal gas (C) the gasoline
• 32. What is the approximate heat capacity ratio, γ = Cp\/Cv, for methane under NTP conditions (298
• 33. The switch S in the circuit on the right is closed at t = 0. What is the voltage (Vc) across the
• 34. What is the key factor of the Sun that directly determines our human (and many animals) adaptati
• 35. Which of the following phenomena is not due to the tunneling effect? (A) field emission microsco
• 複選題19. 下列有關生活中常見的有機化合物，其分子式或示性式的表示法，哪些正確？ (A)有腦黃金之稱的 DHA 是一種不飽和度很高的脂肪酸，它的分子中有 6 個 C＝C 雙鍵，示性式為 (B)柑橘類
• 36. Which of the following functions is not a solution to the one-dimensional wave equation? (A) (B)
• 37. Which of the following physical quantities has its unit as newton (N)? (A) the compressive stres
• 38. As shown on the right, a ball of mass m is attached to a pivot fixed in place by means of a stri
• 複選題20. 在實驗室欲分辨甲、乙、丙、丁、戊五瓶未知物，只知道這五瓶分別為正丁醇、2-丁醇、2-甲基-2- 丁醇、2-戊烯及乙醚，可經由下列實驗來鑑別： 實驗一：各取少許未知物，分別加入溴的四氯化碳
• 39. Which of the following statements about gravity and planet motion is correct? (A) In a non-unifo
• 複選題21. 附圖為由乙炔所衍生出化合物之反應流程圖，若已知⑦為氯苯、⑨為甲苯，下列各種反應步驟中， 哪些是屬於加成反應類型？ (A) ⑥ → ⑦ (B) ⑥ → ⑧ (C) ⑥→⑨ (D)乙炔→⑤
• 40. A uniform disk of mass m and radius R is rotating about its symmetric axis at an angular velocit
• 複選題22. 五種錯合物如下：甲：[Co(H2O)4Cl2]Cl、乙：K2[ Fe(EDTA)]、丙：、丁： [Cr(NH3)6]Cl3、戊：[Pd(NH3)4]Cl2。下列有關此五種錯合物的敘述，哪
• 41. Two pulses traveling on the same string are described byWhere is he location of the node where t
• 複選題23. 甲、乙、丙三種酸性水溶液，組成如下：(甲) 20.0 mL 的 0.20 M HCl 水溶液；(乙) 20.0 mL 的 0.20 M CH3COOH 水溶液（）；(丙) 20.0 mL
• 複選題24. 一群超導材料釔鋇銅氧化物可歸類成，是第一個製得超導臨界溫度高於液態氮沸點的材料，俗稱高溫超導體；已知當 x＝1 時，該氧化物是電的絕緣體；0.6 ≦ x＜1，該氧化物逐漸接近金屬導電的現
• 42. A siphon tube is used to transport liquid from a higher location to a lower location without ele
• 43. Which of the following statements about modern physics is incorrect? (A) Photons are their own a
• 複選題25. 有機毒物「戴奧辛」的分子結構如附圖，下列相關敘述哪些正確？ (A)結構中有兩個苯環，但此分子不屬於芳香烴 (B)一分子中，共有 8 個單鍵 (C)苯環內有 3 個單鍵及 3 個雙鍵 (
• 複選題26. 今有五種未知化合物，分別為正己烷、乙醇、丙酮、乙酸乙酯及乙酸；欲鑑定未知化合物的成分，準備 5 個小滴瓶，並標示為甲、乙、丙、丁、戊以進行下列幾個實驗： (1)將此 5 個小滴瓶分別與水
• 複選題27. 利用半透膜兩側的壓力差，可驅動渦輪機發電。2009 年，挪威電力公司興建鹽差能發電廠，其所採用的聚醯亞胺製半透膜價格昂貴，其製程反應式：若改用聚乙烯製半透膜，成本低廉，具商業效益，其製程
• 44. Four identical large thin metal plates are separated by three layers of dielectric material with
• 45. A uniformly charged insulating rod is bent into the shape of a semicircle as shown on the right.