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轉學考-普通化學
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104年 - 104 淡江大學 轉學考 普通化學#53301
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題組內容
2. The following questions are related to a Zn-Cu Galvanic cell. (15%)
(b) Explain where and how the liquid junction potential occurs in the cell.
其他申論題
4. Which of the following molecules have a trigonal bipyramidal electron pair arrangement? Br2, BF3, CHBr3, CO, SF4, XeCl2 ____
#195149
5. The quantitative relation between the Ka of a weak acid, the Kb of its conjugate base, and the water autoionization constant Kw. ____
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第三部份：計算問答題（共60分） 1 . Describe and explain how to use a titration method to determine the analytical concentration CHA and the pKa value of a weak acid HA. Define all the quantities used in your answer. (20%)
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(a) Draw the setup and indicate the cathode and anode, the positive and negative electrodes, and all the components in the cell.
#195152
3• For the reaction: CaCO3(s)⇌ CaO(s) + CO2(g) Kp = 1.00 at 727 °C. If a 48.8-gram sample of CaCO3 (100.0 g/mol) is put into a 10.0-L container and heated to 727 °C, what percent of the CaCO3 will react to reach equilibrium? (15%)
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4. According to the provided information in the right table, calculate AH for:2Li(s) + 2HI(g)→ H2(g) + 2LiI(s)(10%)
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三、造句：請先寫出下列英文片語的中文意思，再造一個英文句子 1. take care of
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2. in spite of
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3. participate in
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四、英文寫作:請以下列提示為首寫一篇短文，文長請介於150字左右。（25%) I will never forget the day...
#195159
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