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113年 - 113-2 臺北市立西松高級中學_正式教師甄選初試試題：化學科#120900
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題組內容
13. The following diagram shows a voltaic cell.
(a) State an equation to represent the spontaneous reaction occurring in the cell. (2 points)
其他申論題
(c) Calculate the activation energy for the reverse reaction. (2 points)
#514531
(a) Write the equilibrium expression (Kc) for the above reaction. (2 points)
#514532
(b) The effect of different catalysts on this reaction is investigated using the following apparatus: A contains 1 mole of carbon monoxide and B contains 2 moles of hydrogen. The gases in both containers at the same temperature and pressure. The tap is closed at the start of the experiment.Calculate the value for Kc if the maximum yield of methanol is 85%. (3 points)
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(c) Copper is a good catalyst for this reaction. What effect, if any, will the addition of copper have on the value of Kc? (2 points)
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(b) Calculate the standard cell potential for the spontaneous reaction in 3(a). (3 points)
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(c) Indicate the direction of electron flow for the cell. (2 points)
#514537
(a) The relative atomic mass of copper is 63.55. Calculate the percentage of in the naturally occurring element. (3 points)
#514538
(b) State the full electronic configuration of a copper atom. (2 points)
#514539
(a) Describe the colour change that occurs when aqueous chlorine is added to aqueous sodium bromide. (2 points)
#514540
(b) Outline, with the help of a chemical equation, why this reaction occurs. (3 points)
#514541
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