皂化反应动力学实验测试答案（Experiment of saponification kinetics test answer）.docVIP

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皂化反应动力学实验测试答案（Experiment of saponification kinetics test answer）.doc

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皂化反应动力学实验测试答案（Experiment of saponification kinetics test answer）

皂化反应动力学实验测试答案（Experiment of saponification kinetics test answer） The electrical conductivity at any time in the saponification reaction system is inversely proportional to the time. Correct mistakes, reference answers: mistakes In the saponification reaction system, the conductivity and the conductivity value of the system at any given time are proportional to the difference in the conductivity of the system at zero time. Correct mistakes, reference answers: mistakes The experimental data for saponification reaction can be fitted to a straight line. Thus, which unknown quantity can be obtained from the straight line? ____________ The initial concentration of reactants can be obtained by the slope of A.. The rate constant of the reaction can be obtained by the slope of the B.. C. the electrical conductivity of the system at the end of the reaction can be obtained by linear intercept. D. the concentration of the reactants at the end of the reaction can be obtained by a linear intercept. Reference: B Which of the following statements is wrong when the reagents are removed in the experiment? A. ethyl acetate and sodium hydroxide reagent bottles should be covered in time. B. reagent pipettes should be used only for the special purpose. C. the pipette for water can no longer absorb ethyl acetate. D. in order to make the removal reagent more accurate, should be placed in the pipette into the reagent bottle, with the ear ball into the bottle blowing some bubbles. Reference: D High in vitro for _____________. A. reagent reagent keeps the reagent constant in the thermostatic bath. B. is used to measure the conductivity of any system at any time. C. is used to measure the conductivity of the 0 time system. D. is a mixture of ethyl acetate and aluminium hydroxide. Reference: C Experiment on hybrid reactor installation and use of the following statement is wrong _______________. The A. mixing reactor shall be installed in a thermostatic bath. B. mixed reactor only needs to be pl