She might be delayed in class.结果一 题目 What does the woman mean?[A]She might be late for her chemistry class.[B]___[C]She might ride her bike to theclass. 答案 She might be delayed inclass.相关推荐 1What does the woman mean?[A]She might be late for her chemistry class.[B]...
In the chemistry experiment, a precipitate formed. What does this mean? A. A gas was released. B. A solid formed in the liquid. C. The liquid changed color. D. The temperature increased. 相关知识点: 试题来源: 解析 B。解析:有沉淀形成意味着液体中有固体形成。选项 A 有气体释放 ...
What does the woman mean? (She isn't good at chemistry. / She has just moved here. / She doesn't know where the chemistry teacher is.)相关知识点: 试题来源: 解析 She doesn't know where the chemistry teacher is. 原文: M: Excuse me. Where can I find our chemistry teacher in t...
In a chemistry class, we learn about H2O. What does “H2O” mean? A. Hydrogen Oxygen B. Hydrogen two Oxygen C. Hydrogen dioxide D. Water 相关知识点: 试题来源: 解析 D。H2O 是水的化学式,表示由两个氢原子和一个氧原子组成的水分子。选项 A、B 表述错误,选项 C 是二氧化氢,不是 H2O 的...
Quality assurance in analytical chemistry - what does it mean?Mundschenk, H.ACCREDITATION AND QUALITY ASSURANCE
What does inert mean in chemistry?Chemistry:Chemistry is the science concerned with the study of chemical changes. Chemical changes occur when a substance either donates, accepts or shares electrons with another substance.Answer and Explanation: ...
CHEMICAL PHENOMENA VERSUS CHEMICAL REACTIONS: DO STUDENTS MAKE THE CONNECTION? In this work, we examine whether tenth-grade high school students (N = 197, age 15- 16) as well as first-year university chemistry students (N = 77, age 18-19) can make the connection between chemical reactions...
adoes not mean I do not want youyou 不意味我不想要youyou [translate] aVision,I love you more than I love me. 视觉,我爱你更多比I爱我。 [translate] aMy hobby is My hobby is [translate] aLittle information 一点信息 [translate] a他们正在屋里说话吗 In their room is speaking [translate]...
What does aq mean in chemistry? What does a subscript indicate in a chemical formula? What does chemical formula mean in science? What does the term "mole" mean in chemistry? What is the definition of chemistry? What does polyatomic mean?
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...