is the monomer of natural rubber and naturally occurring terpenes and steroids, whereas 1,3-butadiene is a synthetic monomer used in the production of synthetic rubber. isoprene is one of several related compounds, such as 1,3-butadiene and vinylcyclohexene, used in the rubber industry. isoprene...
The molar mass of a substance is the mass of one mole of that substance. What is the unit of molar mass? A. g/mol B. mol/g C. L/mol D. mol/L 相关知识点: 试题来源: 解析 A。本题考查摩尔质量的单位。摩尔质量是指单位物质的量的物质所具有的质量,单位是克每摩尔(g/mol)。选项 B ...
One mole is exactly 6.02214076×1023particles. The "particles" could be something small, like electrons or atoms, or something large, like elephants or stars. What Is a Mole? Like all units, a mole has to be defined or based on something reproducible. The present definition of the mole is...
Mole (Chemistry) (TerminologyTerms and phrases (EvaluationJeannin, YvesMills, Ian MInternationalunionofpureandappliedchemistryJeannin Y 2010 A fixed Avogadro constant or a fixed carbon-12 molar mass: which one to choose? Chem. Int. 32 (January-February) 8-10...
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37. What happens when one mole of ethane is mixed in the dark at room temperature with six moles of chlor ine gas? A. There is no reaction. B. Only C2Cs are formed. C. C2Cls and HCI are formed. D. CH3CH2CI and HCI are formed. 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
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What is Mole for example? Quantities of Chemical Substances: In daily scenarios, we use units like grams and kilograms to quantify masses, and occasionally largers units like tons (e.g., for automobiles). In chemistry laboratories and chemical industries, another unit, known as the mole, is ...
Mole asked. "A show-off,my dear Mole," Badger explained, "is an animal who tries hard to impress others.He wants them to say, 'Oh,what a clever Toad!' and things like that.He's always up to something.If it's not one thing,it's another."...
number (6.02214076 × 1023) is the number of molecules that constitutes the atomic weight of a molecule in grams (g). For example, water is two hydrogen atoms with a weight of 1 g each and one oxygen atom with a weight of 16 g, meaning that one mole of water molecules weighs 18 g...