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2009 AP Chemistry化學真題系列之簡答題Form B免費下載

Category: AP課程, 國際課程, 福利干貨 Date: 2018年9月5日下午4:27

歷年AP Chemistry化學系列

真題與答案下載

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2009 AP Chemistry Free-Response Questions （Form B）Free Download

2009 AP 化學簡答題 Form B部分免費下載

考試時會提供花常用的等式與常量

以及化學元素周期表

此套Section II試卷共6題

每道大題含有不同數量的小題

共計時95分鐘

Part A計55分鐘，第1-3題各20分

Part B計40分鐘，第四題值10分，第5第6題各15分

部分真題預覽：

Section II, Part A,YOU MAY USE YOUR CALCULATOR FOR PART A可使用計算器：

2）A student performed an experiment to investigate the decomposition of sodium thiosulfate, Na₂S₂O₃ , in acidic solution, as represented by the equation above. In each trial the student mixed a different concentration of sodium thiosulfate with hydrochloric acid at constant temperature and determined the rate of disappearance of S₂O₃^2?(aq). Data from five trials are given below in the table on the left and are plotted in the graph on the right.

Identify the independent variable in the experiment.
Determine the order of the reaction with respect to S₂O₃^2-. Justify your answer by using the information above.
Determine the value of the rate constant, k, for the reaction. Include units in your answer. Show how you arrived at your answer.
In another trial the student mixed 0.10 M Na₂S₂O₃ with hydrochloric acid. Calculate the amount of time it would take for the concentration of S₂O₃^2- to drop to 0.020 M.
On the graph above, sketch the line that shows the results that would be expected if the student repeated the five trials at a temperature lower than that during the first set of trials.

2009 AP Chemistry化學 FRQ微積分（Form B）完整版答案免費下載

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2009 AP Chemistry Free-Response Questions Free Download

2009 AP 化學簡答題部分免費下載

考試時會提供花常用的等式與常量

以及化學元素周期表

此套Section II試卷共6題

每道大題含有不同數量的小題

共計時95分鐘

Part A計55分鐘，第1-3題各20分

Part B計40分鐘，第四題值10分，第5第6題各15分

下載方式請點擊下方鏈接

2009 AP Chemistry FRQ真題題目

完整版真題資料可以底部二維碼免費領取↓↓↓

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