資訊推薦

• 50. 今天課程測驗中，學生須依據酒譜，在圖(四)中選出適合的器皿與設備進行製作，下列哪兩位學生在調製時所使用的器皿與設備完全相同？ (A) 柾國、光漢 (B) 華莎、柾國 (C) 光漢、麥莉 (D)
• 10. 將纏繞銅線的鐵釘與纏繞鋅片的鐵釘，分別置入含有酚酞及赤血鹽的洋菜溶液中，凍結並經過一段時間，其現象何者錯誤？ (A)繞銅線的鐵釘在銅線附近，出現紅色 (B)繞鋅片的鐵釘，鋅片附近 出現白色 (
• 13. Consider the following reaction, which product is least likely to be observed?(A)(B)(C)(D)(E)
• 11. 有一單質子弱酸（HX）的鈉鹽 NaX，已知 0.20 M 的 NaX 溶液之 pH 值為 10。現擬以 HX 和 NaX 混合配製 pH 值為 5.7 的緩衝溶液，則此緩衝溶液中的比值最接近下
• 複選題12. 氧化還原反應：Cu3P＋HNO3 → Cu(NO3)2＋H3PO4＋NO＋H2O（係數未平衡），下列敘述哪些正確？ (A)每莫耳的 Cu3P 共失去 8 莫耳電子 (B)每莫耳的 HNO
• 14. PhosphatidyIglycerol is an important component in bacterial membrane and many anti-microbial pep
• 15. Which of the following comparisons of the intermolecular dispersion force is incorrect? (A) C3H7
• 16. Which of the following is a chiral compound? (A) I (B) II (C) III (D) IV (E) V
• 17. The osmotic pressure of a 0.010 M aqueous solution of potassium sulfate was measured to be 0.660
• 18. Which of the following compound names conforms to IUPAC nomenclature? (A) 1-methyl-2-bromobutane
• 19. Which of the following staternents for the unsaturated hydrocarbons is correct? (A) Benzene is m
• 20. The dissolution of a strong electrolyte of type AmBn in water (which can be regarded as a specia
• 複選題13. 鋁粉與過氯酸銨的混合物可用為太空梭火箭推進器的燃料，其反應式如下：a Al(s)＋b NH4ClO4(s) → c Al2O3(s)＋d AlCl3(s)＋e NO(g)＋f H2O(g
• 複選題14. 有下列(a)蔗糖、(b)氯化鐵(III)、(c)硝酸銀水溶液各 0.1 M，任取兩種溶液等體積混合成甲：(a)＋(b)，乙：(a)＋(c)，丙：(b)＋(c)，則下列敘述哪些正確？ (A
• 複選題15. 容器中以半透膜分成甲、乙兩個區域如附圖，若裝入下列溶液時，哪些組合會使乙區域的液面升高？ (A) 10％ 蔗糖 5％ 葡萄糖 (B) 0.5 M NaCl 0.5 M (NH2)2CO（
• 21. Lysine H3N+(CH2)4CH(NH2)COO-(denoted by HR) is an essential amino acid, and its hydrochloride sa
• 複選題16. 附圖為 25 ℃ 時，A 與 B 混合所形成理想溶液之蒸氣壓，表混合液中 A、B 之莫耳分率，則下列敘述哪些正確？ (A)同壓下，B 沸點較高 (B) 25 ℃ 時，純 B 之蒸氣壓為
• 22. The use of N2O5 as a nitrifying agent is a new type of green nitrification technology, which ha
• 23. You titrated 15 mL of 0.01 M NaCl, NaBr, and NaI solutions with 0.1 M AgNO3 solution, respectiv
• 24. The catalyzed reaction of benzene with Br2 is shown in the following figure. Which of the follo
• 複選題17. 設有三元素 X、Y 及 Z，其電子組態與第一游離能、第二游離能、第三游離能之代表符號列於附表中，則各游離能之數值大小關係，哪些正確？ (A) IE1（X）＞IE2（X）＞IE3（X）
• 25. Ca2+, Mg2+, andare removed when purifying crude salt (NaCl) in the laboratory. Which of the foll
• 26. At 25℃, 10 volumes of a strong acid solution of pH = m is mixed with 1 volume of a strong alkali
• 複選題18. 在 373 K 時，把 0.5 mol N2O4 通入體積為 5 L 的真空密閉容器中，立即出現紅棕色。反應進行到 2 秒時，NO2 的濃度為 0.04 M。在 60 秒時，反應已達平衡
• 27. The energy changes for the hydrogenation of 1 mole of cyclohexene, cyclohexadienes, and benzene