In chemistry, concentration refers to the amount of a substance in a defined space. Another definition is that concentration is the ratio ofsolutein a solution to eithersolventor totalsolution. Concentration is usually expressed in terms ofmassper unitvolume. However, the solute concentration may al...
What does heterogeneous mean in chemistry? Homogeneous Mixtures: In chemistry, a mixture is created when two or more substances are physically but not chemically combined. A homogeneous mixture is one that has the same chemical composition throughout the sample. Homogeneous mixtures may be solutions ...
In chemistry, hybridization refers to the mixing of atomic orbitals that surround a nucleus and are paths for electron travel. This mixing forms new...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
The preanalytical phase includes a set of processes that are difficult to define because they take place in different places and at different times. Classically, the preanalytical phase included all processes from the time a laboratory request is made by a physician until the...
weight is properly reported using units of kg·m/s2or Newtons (N). However, since everything on Earth is subject to about the same gravity, we usually drop the "g" part of the equation and just report weight in the same units as mass. It's not correct, but it doesn't cause proble...
1 n.chemistry tóng xué men dèng dà hào qí de yǎn jing kàn lǎo shī zuò huà xué shí yàn 同学们瞪大好奇的眼睛看老师做化学实验。 The students stared curiously as they watched the teacher doing chemistry experiments. shàng huà xué kè shí tā liǎ qiè qiè sī yǔ 上化学...
Or else, that "colorless" did not mean what I would have thought. Thus far, the largest crystals of sodium chloride I have grown have only been maybe 8 mm3. (Grown by accident in a glass of salt water that evaporated.) Still, quite white. But, based on your replies, it sounds like...
Forensic chemistry is a branch of chemistry that entails the application of physical science in solving crimes. Its main purpose is to serve justice to the affected audience. commonly used in legal proceedings and civil cases. a British chemist, James Marsh, discovered Forensic chemistry. It ...
What does the woman mean A.The chemistry class.B.The English class.C.The chemistry and English classes.相关知识点: 试题来源: 解析 B [解析] 女士问这里是否是英语教室,男士回答说这里是理化实验室,可见女士寻找的是B。故本题答案为B。[听力原文]W: Is this the English class M: It is the ...
5 (c)。 [translate] aWhat does chemistry mean to you and commitment 做化学的意味着跟你和承诺 [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙语翻译 意大利语翻译 荷兰语翻译 瑞典语翻译 希腊语翻译 51La ...