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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%)
(a) Draw the setup and indicate the cathode and anode, the positive and negative electrodes, and all the components in the cell.
其他申論題
3. Write down the formula for the fluoride of an element whose electron configuration is [Kr] 5s24d105p2.____
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4. Which of the following molecules have a trigonal bipyramidal electron pair arrangement? Br2, BF3, CHBr3, CO, SF4, XeCl2 ____
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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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(b) Explain where and how the liquid junction potential occurs in the cell.
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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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