In chemistry, a compound is a substance made up of two or more different chemicalelementscombined in a fixed ratio. When the elements come together, they react with each other and form chemical bonds that are difficult to break. These bonds form as a result of sharing or exchangingelectronsbe...
What is the molecular weight of CH3(CH2) 6COOH? A compound has the empirical formula C2H3O. Its molar mass is 172.0 g/mol. What is the molecular formula? What is empirical formula mass? What is molar in chemistry? What is the empirical formula of a compound composed of?
What is the name of the compound with a formula CH3CH2CH2CH3? What is the name of the compound with the formula SO3 ? What is the IUPAC name for the compound given below? What is a compound in chemistry? What is the name for the compound MgBr2?
What is the difference between the empirical and molecular formula of a compound?Can they ever be the same?Explain.相关知识点: 试题来源: 解析 (1)分子式是用元素符号表示物质(单质、化合物)分子的组成及分子量的化学式. 而(2)最简式又叫实验式,它仅能表示化合物组成中各元素原子数目的比例.通常是以...
Investigate a special type of molecule called a compound. Discover what components determine compounds, learn how compounds fit under the umbrella of molecules, and explore common examples of compounds in daily life. Molecules or Compounds Chemistry is a really cool field of science, but it involv...
Key Takeaways: Mole in Chemistry The mole is anSI unitused to measure the amount of any substance. The abbreviation for mole is mol. One mole is exactly 6.02214076×1023particles. The "particles" could be something small, like electrons or atoms, or something large, like elephants or stars....
Eurgh, for some reason I can't get my head around this chemistry homework! "When 20cm^3 of this alkane were burnt in 200 cm^3 of oxygen (an excess), the...
Phenol is a common organic compound, also known as hydroxybenzene or phenol alcohol. Its chemical formula is C6H5OH, structural formula is C6H5-OH. Phenol is a white solid with a pungent odor and is readily soluble in water and many organic solvents.
Discover the World of Ethers in Chemistry By Anne Marie Helmenstine, Ph.D. Fats and oils are examples of esters. The difference between them is the melting point of their esters. If the melting point is below room temperature, the ester is considered to be an oil (such as vegetable oil...
Mass ratio is defined as the percentage composition of the mass of an element in a molecule or compound. A compound will always have a defined... Learn more about this topic: Molarity & Stoichiometry | Definition, Formula & Calculation ...