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...
A. Hydrogen Oxide B. Hydroxide Oxide C. Hydronium Oxide D. Dihydrogen Monoxide 相关知识点: 试题来源: 解析 D。“H2O”是“Dihydrogen Monoxide”的缩写,即水。选项 A“Hydrogen Oxide”表述不准确;选项 B“Hydroxide Oxide”错误;选项 C“Hydronium Oxide”也不对。只有选项 D 是水的正确表述。
What does NaOh do in organic chemistry? What is a chemical formula? What is OH's chemical name? What is a polyatomic molecule? What is the chemical formula for kerosene? What is the name for the compound with the formula FeO? What is the chemical formula for phosphoric acid? What is th...
Vapor distilled water is a type of purified water that is created using a specialized heating process. It is freed of extra molecules and particulates, and is one of the "cleanest" forms of water that can be created in a lab. Vapor-distilled water does not occur naturally. How It Is Cre...
What is thermodynamics and how is it similar to or different from chemistry? What do positive and negative entropy values mean? What does the symbol S represent in thermodynamics? a. standard solution b. standard enthalpy c. standard equilibrium d. standard entropy Describe how the standard entrop...
Both first-order and second-order Jahn-Teller distortions play a very important role in chemistry. It is often said that the Jahn-Teller effect is based on symmetry arguments, and hence nothing can be said about the extent or the exact form of the distortion. What are these "symmetr...
What does it mean when the calorimeter constant is negative? The initial temperature of a bomb calorimeter is 28.50 C. When a chemist carries out a reaction in this calorimeter, its temperature decreases to 27.45 C. If the calorimeter has a mass of 1.400 kg and specific heat of 3.52 J/(...
Briefly describe the bonding around the oxygen atom in dimethyl ether. What intermolecular forces are found in this ether? What does chemical bonding mean in organic chemistry?Explore our homework questions and answers library Search Browse Browse by subject Ask a Homework Q...
-Physiology, biochemistry and organic chemistry During our discussion, you'll discover: -What Tyler's training looks like to be able to lift heavy and also run as fast as he does in an endurance sport… -Whether Tyler follows any special diet or takes any special supplements… ...
what does "CS" mean? « on: June 09, 2012, 05:18:57 PM »Hello,I have this problem from a general chemistry guide but I have no idea what "cs" means. I already look online but I can't find an acronym that makes sense with this one.Can someone please let me know what ...