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• 7. 當以下的溶液以對等體積的液體充分混合後靜置時，哪一對最有可能分成兩層？(A) ethanol and methanol (B) carbon tetrachloride and methanol
• 8. 一個化學反應在溫度 60oC 時的反應速率是 50oC 時的 2.3 倍。請問此反應溫度從 60oC 到 70oC，速率會增加多少？(A)小於 2.3 倍 (B)等於 2.3 倍 (C)超過 2
• 9. 氮氣在 25oC、380mmHg 佔的體積是 2.6x103mL，則該體積在相同溫度、760mmHg 之下佔的體積是多少？(A) 5,200mL (B) 2,600mL (C) 1,300mL
• 10.Cs-131 原子核的半衰期為 40 年。一個 Cs-131 樣品經過 120 年後剩下 5.4g，此樣品原來質量大約為多少 g？(A) 10.8 (B) 21.6 (C) 43.2 (D) 8
• 11.在 25oC 下，把 1.00M Ba(NO3)2與 1.00M Na2SO4之溶液混合後，倒入定壓卡計測量，有白色的沈澱 BaSO4產生，溶液的溫度上升至 28.1oC。假設卡計並沒有吸收任何
• 【題組】(b) (6%) Please find the eigenvalues of 2A.
• 【題組】(c) (6%) Please find theeigenvalues of A2.
• 109中興電機(15 pts) The eigenvalues of A and AT are the same, because det(A- λ l) -det(A-  λ l)T=det(AT-
• 106中興電機 (10pts) Suppose A is a real and symmetric matrix with order n, and has a repeated eigenvalue
• 105中興電機 (10pts) Suppose A and B are two matrices with size m✕n and n✕mresbectively. Show that the no
• 1. (3%) Let Φ denote an empty set. Which of the following statements is true?(A) (B) (C) (D)|Φ|=1
• 42. 使用熱重分析法分析某僅含有MgO、MgCO3及CaCO3混合物 ( 其他成分只有水 ) 的濕沉澱物樣品，在進行實驗時，溫度由 20 ℃ 升至 950 ℃ 的升溫過程中，該樣品分別在 25℃~
• 43. 精稱 0.106 公克的無水碳酸鈉，將其置於錐形瓶中並加入 50.00 毫升純水完全溶解後，再加入 2 滴甲基橙指示劑搖勻，以尚未標定濃度的鹽酸水溶液 ( 甲水溶液 ) 滴定，當滴入鹽酸水溶液
• 44. 精稱 0.214公克的碘酸鉀 (KIO3)置於一錐形瓶中，加入 3.21公克的碘化鉀 ( KI)，並加入100.0毫升純水將此兩固體完全溶解，再加入2毫升濃鹽酸後，將此水溶液置於250毫升量瓶
• 2. After nine unsuccessful _____, he finally made it on his tenth try.(A) brims (B) fringes (C) atte
• 3. The man was _____ of killing two people in a store and later charged with murder.(A) ignored (B)
• 4. Due to unexpected circumstances, the company had to _____ the event until next year.(A) postpone
• 5. The new password will give you _____ to all files in that folder.(A) case (B) racket (C) access (
• 6. The patient is in a _____ stage. What happens in the next eight hours is very important as it wil
• 7. You should wash your hands thoroughly or at least clean your hands with _____ wipes before you to
• 8. As home _____ rates rise, monthly payments for home owners also increase by 70-90 dollars on aver
• 9. Unlike the other reports that focus on one or two aspects only, this report is the most _____ one
• 10. As his health _____, he couldn’t even walk around in the house.(A) inflated (B) deteriorated (C)
• 11. The boy tried to _____ out of the house but was caught by his mother.(A) roar (B) invent (C) men
• 12. If your current balance is $50, you should be able to see a balance of $70 in your account after