In a chemical reaction, the amount of substance can be expressed in moles. Which of the following units is equivalent to a mole? A. grams B. liters C. particles D. kilograms 相关知识点: 试题来源: 解析 C。本题主要考查摩尔的概念。摩尔是物质的量的单位,1 摩尔物质含有阿伏伽德罗常数个微粒...
词义提取(1)n.[单数]theamount of a substance that iscontained in sth else(2)n.[复数]thethings that are contained in sth(3)n.the subjectmatter of a book, speech, pro^-gramme, etc.(4)n.[复数]thedifferent sections that are con-tained in a book(5)adj.happy andsatisfied with what you...
我也觉得意译成‘物量’最好，或者‘物质量’也行。一个专有名词中间有‘的’就感觉有点别扭，明明...
可能是为了与【质量 mass】作区别，因为【mass】 的英文释义也常常为 【amount of substance】。我猜，...
百度试题 结果1 题目The unit for amount of substance is ___. A. gram B. mole C. liter D. kilogram 相关知识点: 试题来源: 解析 B。解析:文章中明确提到“The unit for amount of substance is mole.”。 反馈 收藏
百度试题 结果1 题目The ___ is a unit of measurement for the amount of substance in a system.相关知识点: 试题来源: 解析 答案:Mole 反馈 收藏
(57)< Abstract > The small amount of substance it measured, this the container (a) moved inside and the device which is justified was laid out and had, forming the group with respect to one pitch circle, the meter chamber which is formed the perforation hole (18) as (15), the meter...
In a chemical experiment, the amount of a substance is related to the time it takes for a reaction to occur. If 5 grams of the substance react in 10 minutes, how long will it take for 15 grams to react? A. 20 minutes B. 30 minutes C. 40 minutes D. 50 minutes 相关知识点: ...
In a chemical reaction, the amount of substance G is twice that of substance H. If there are 8 grams of substance H, how many grams of substance G are there? A. 4 grams B. 8 grams C. 16 grams D. 32 grams 相关知识点:
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