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【简答题】
在298.15K、100kPa下合成氨反应N 2 (g)+3H 2 (g)→2NH 3 (g)放出热量92.22kJ·mol -1 ，求该反应的△H和△U。
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举一反三
【单选题】164 Attributes quality data are:
A.
quantitative or qualitative data
B.
quality data for which the products or services is designed and built.
C.
reflect measurements on a continuous scale of a characteristic of the product or service
D.
indicate management's understanding of the concept of variability
E.
A and B only
【单选题】Higher quality attributes could obtained under:
A.
high temperature long time
B.
short temperature short time
C.
high temperature short time
D.
short temperature long time
【单选题】143 Quality attributes
B.
are used to determine how effectively the organization accomplishes its goals B. can be objective or subjective in nature
C.
are specific quality characteristics for which a product is designed, built, and tested.
D.
A and B.
E.
B and C
【单选题】关于施工图识读方法,说法错误的有( )
A.
阅读施工图目录，对图样数量和类型做到心中有数
B.
阅读结构设计说明，了解工程概况及所采用的标准图等
C.
粗读建筑平面图，了解构件类型、数量和位置
D.
识读施工图时，应当图样与说明对照看
【单选题】25 Quality attributes
B.
are used to determine how effectively the organization accomplishes its goals B. can be objective or subjective in nature
C.
are specific quality characteristics for which a product is designed, built, and tested.
D.
A and B.
E.
B and C
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