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问题 计算题

某同学采用如图装置，用一些植物的器官来代替MnO2作催化剂，分解H2O2制取氧气，记录如下表：

（1）要使胡萝卜能够更快地促进过氧化氢的分解，可采用的方法是_________________．

（2）当量筒内的水达到80毫升时，打开广口瓶的橡皮塞，立即将带火里的木条伸入瓶内，却发现木条不能复燃．请你解释木条不能复燃的原因是_________________________．

（3）计算：34克15%的H2O2溶液中的溶质完全分解，能制得氧气多少升？（氧气密度是1.43克/升）

答案

（1）将胡萝卜切成更小的颗粒；

（2）氧气的纯度不够高；

（3）1.678升

判断题

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问答题

The MPA program is designed for present and future leaders of the public and nonprofit sectors. The program emphasizes broad-based public policy analysis and management knowledge, while students pursue one or more specialized policy fields. The core devotes considerable time to mastering the basic analytic and quantitative skills needed by good analysts and managers. The curriculum draws upon the wide range of academic disciplines throughout the University of Washington. The school offers a series of special management-skills workshops each year in addition to its regular course offerings. Distinguished public-sector practitioners typically teach these seminars. Recent workshops have covered such topics as writing; effective oral presentations; building teams; managing a diverse work force; financial resources in the public sector; managing consultants; and planning public participation. The program aims at enhance the trainee’s policy analysis ability, familiarize them with skill of public administration, improve their ability of learning, adapting and leading, so as to enhance their executive competence and their overall qualities.
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