In a chemical reaction, the amount of matter___. A. increases B. decreases C. remains the same D. changes randomly 相关知识点: 试题来源: 解析 C。解析:在化学反应中,物质的总量保持不变。这是质量守恒定律。选项 A 增加、选项 B 减少和选项 D 随机变化都不符合质量守恒定律。反馈 收藏 ...
a过去了的就让它过去吧!我不想再提。 In the past lets it pass! I do not want again to raise. [translate] aan object is the amount of matter in it as determined by its weight in grams 对象是相当数量问题在它如取决于它的重量在克 [translate] ...
百度试题 结果1 题目what is the amount of matter an object has?相关知识点: 试题来源: 解析 这个物体的质量是多少?matter:质量 反馈 收藏
In physics, ___ is the measure of the amount of matter in an object. A. mass B. weight C. volume D. density 相关知识点: 试题来源: 解析 A。解析:在物理学中,“mass”(质量)是对物体所含物质多少的度量。选项B“weight”指重量,是物体受重力的大小的度量,与质量概念不同。选项C“volume”...
A _ is used to measure the amount of matter in an object. A. balance B. thermometer C. barometer D. hygrometer 相关知识点: 试题来源: 解析 A。解析:用来测量物体中物质的量(质量)的工具是天平(balance)。选项B温度计(thermometer)用于测量温度。选项C气压计(barometer)用于测量气压。选项D湿度计(...
aHe was very disappointed at hearing that all his friends had gone 正在翻译,请等待...[translate] ajust your heart And my world 您的心脏和我的世界[translate] aFamily Travel 正在翻译,请等待...[translate] aa measure of the amount of matter in the object 相当数量的措施问题在对象[translate]...
Marx G 1991 Is the amount of matter additive? Eur. J. Phys. 12 271-274 (1991)G Marx, Is the amount of matter additive? Eur. J. Phys. 12, 271-274 (1991)G. Marx, Is the amount of matter additive?, Eur. J. Phys. 12 271-274 (1991)...
Which one is a measure of the amount of matter in an object? A. mass B. weight C. both D. neither 相关知识点: 试题来源: 解析 A。解析:mass是质量,它是物体所含物质的多少的度量。weight是重量,它是物体受重力的大小的度量,和物体所处的引力场有关。所以这里表示物体所含物质多少的是mass,B...
Past research suggested there is more dark matter around younger galaxies (星系)than the ancient ones from the early days of the universe, but where did the dark mater come from? After studying some 1,500 galaxies, researchers led by Alfred Riley found the amount of dark matter around these...
1 这个是让步状语从句。从句的主语是the amount of organic matter，trapped in any one growing season是organic matter的后置定语，谓语系动词is,表语是small.主句的主语是the accumulated remains，from millions of years是remains的定语 谓语系动词are，表语是considerable.2 这里不定式to fossil 是...