資訊推薦

• 22. The nickel-cadmium battery cell has a standard potential of +1.20 V. The cell reaction is What i
• 27. Which ion is planar?(A) (B) (C) (D) (E)
• 10. 以 Fe3+為指示劑，利用 0.15 M 的 KSCN 標準液，直接滴定某 100.00 毫升硝酸銀水溶液樣品中的銀離子，當滴入 KSCN 標準液 26.50 毫升時，達滴定終點，則該 100
• 23. An equilibrium mixture of CO, O2 and CO2at a certain temperature contains 0.0010 MCO2and 0.0015
• 23.Consider the following table of standard reduction potentials:   Which substance is the strongest
• 15. Consider refraction of a wave, what changes as wave enters from medium I to mediurn II withdiffe
• 16. In a double-slit experiment the slits are 0.5 mmn wide and their centers are separated by 1.5mm.
• 27.The reaction: 2 HI→ H2 + I2, is second order and the rate constant at 800 K is . How long will i
• 16. Two parallel infinite wires 2cm apart carry currents of 1A and 8A, separately.What is the force
• 【題組】29. 後來小明發現，其實 。在這樣的情況下，小明會如何選擇？ (A)小明一定不會選擇Z工作 (B)如果小明是顧家者，一定會選X工作 (C)如果小明是愛玩者，一定會選Y工作 (D)當 時，小明
• 28. The bond angles about the carbon atom in the formaldehyde molecule, H2C = O, are about(A) 120°(B
• 29. How many of the following molecules and ions are linear? (A) 0(B) 1 (C) 2 (D) 3(E) 4
• 17. Light strikes a plate in an evacuated chamber. The result is that electrons are etnitted fromthe
• 11. 下列敘述何者錯誤？ (A)層析法中滯留時間愈長的物質，愈先自偵檢器中檢測出來(B)離子交換層析主要用於無機物之分離 (C)薄層層析較濾紙層析再現性高，時間經濟，適用於腐蝕性試樣的分離 (D)分
• 12. 下列敘述何者正確？ (A)NO2是一個直線形分子 (B)鍵能大小順序：H2＞F2＞Cl2(C)鍵角大小順序：BeH2 ＞ NH3 ＞ H2O (D)ClO3—具有孤電子對。
• 13. 一莫耳理想氣體分別進行A與B兩種程序，A程序：由（100 kPa，300 K）經恆容過程升溫至400K，再經恆溫過程膨脹至（100 kPa，400 K）；B程序：由（100 kPa，300 K
• 30. Consider the following molecules, and select the molecule(s) that fit the given statement. I: BF
• 24.Beta decay of produces a beta particle and(A) (B) (C) (D)
• 30. 長期平均成本（LAC）曲線與短期平均成本（SAC）曲線之關係，下列敘述何者為正確？(A) LAC曲線是SAC曲線的包絡線 (B) LAC曲線上的任何一點，均是SAC曲線最低點組成 (C) LA
• 28.What are the coefficients in front of and Cu(s) when the following redoxequation is balanced in
• 14. 已知 A、B、C 三種化學物質之初始濃度均為 1M。若 A 物質降解（Degradation）為零級反應（zero-order reaction），B 物質降解為一階反應（first-orde
• 17. A 1.2 mF capacitor is connected across a generator whose output is V =Vosin(2πft), with Vo = 20
• 24. Shown below is a concentration vs. time plot for the reaction 2B. For this reactionthe value of
• 29.Determine the number of water molecules necessary to balance the following chemical equation. (A)
• 15. 有關套管式熱交換器之敘述，下列何者錯誤？ (A)以水蒸氣加熱冷流體時，逆流操作之傳熱效率比順流操作高 (B)熱敏感性流體之冷卻，通常以順流操作為宜 (C)順流操作時冷流體之出口溫度絕無法高於熱