資訊推薦

• 43 分析一有機化合物得碳0.36g,氫0.04g,氧0.48g,又由實驗室測得其分子量為176,則其分子式應為：(A)C6H806 (B)C6H12O6 (C) C3H4O3 (D)C2H5OH
• 44 金屬具有電和熱的良導體特性,因金屬有:(A)共價鍵 (B)自由電子 (C)氫鍵 (D)離子鍵
• 45 在溫泉地區遊玩,常發覺手上銀戒指表面易變黑,此表面黑色物質之主要成份為:(A)ZnS (B)HgS (C)Ag2S (D)PbS
• 46 在定性分析實驗中,下列何種離子會與HCl溶液形成沉澱,但其沉澱物可在熱水中溶解?(A)Ag+ (B)PB2+ (C)Hg22+ (D)Hg2+ (E)K+
• 47 在電解碘化鉀溶液實驗中,陰極有氣泡產生,此氣泡為:(A)H2 (B)O2 (C)I2 (D)CO2 (E)O3
• 48 水質中引起肥皂清潔力不佳的是:(A)硬度 (B)鹼性 (C)懸浮物 (D)有機物
• 49 關於電解質的敘述,下列何者正確?(A)電解質固體,不必溶於水亦必能導電(B)電解質水溶液,必能導電(C)電解質必為離子固體(D)電解質的水溶液中,正負離子數目相等
• 50 對於反應:2NO2(g)＜=＞N2O4(g)+13Kcal,下列各項描述何者為正確?(A)NO2為無色 (B)吸熱反應(C)減少壓力,平衡有利於N2O4之形成 (D)降低溫度,平衡有利於N2O4
• 1.違反社會秩序維護法案件其行為，須有無正當理由，始構成違序行為，下列敘述何者正確？(A) 於圖書館口角紛爭或喧嘩滋事。 (B) 攜帶用於開啟門、窗、鎖之工具者。(C) 於公共場所酗酒滋事、謾罵喧鬧。
• 6. Consider Each is obtained from the other by rearranging columns. Which statement is correct?(A) K
• 7. Two metals, A and B, form the regular solution at 500 K. The activity of B is 0.283 when the mola
• 【題組】(2) Calculate the activity of A in the solution when the solution temperature is at 700 K. (5%)
• 8. The regular solution of A-B at 1100 K is followed by: Gxs = 20000XAXBGxs: Excess free energyXA: M
• 【題組】(2) Determine the positions of the spinodal compositions. (5%)
• 【題組】(3) Determine the practical activity, aA, at XA = 0.1, at 1100 K. (5%)
• 101. The team leader _____ ideas and strategies by the end of this week, so we candiscuss them at th
• 7. Let A be an m x n matrix whose null space has dimension k. Which conclusion is correct?(A) The di
• 8. Let matrices A, B, and C be square matrices. Choose the incorrect arguments(A) The determinant de
• 2 汽車排放出的黑煙主要成份為何物？(A)CO (B)CO2 (C)水蒸氣 (D)碳粒
• 9. Choose the incorrect arguments.(A) Let A be the Hermitian matrix. Then, matrix A is diagonalizabl
• 3 下列何者為物理變化？(A)糖溶於水 (B)鐵生鏽 (C)木材燃燒 (D)食物消化
• 10. Let A be an nxn matrix and b be an arbitrary nx1 vector. Select the incorrect arguments.(A) If d
• 4 250C 時 8 克的氫氧化鈉溶於水中而成 5 公升水溶液則其體積莫耳濃度為（原子量 Na＝23 O＝16 H＝1）(A)0.2M (B)0.1M (C)0.04M (D)1M
• 11 . A stack of cards consists of seven red and five blue cards. A second stack of cards consists of
• 5 氯氣濃度達 0.2 至 1.0ppm 便能殺死細菌，求每公升溶液加入的氯氣重量需若干？(A)0.2~1.0g (B)0.2~1.0mg (C)0.3~1.2mg (D)0.4~1.5mg