分子式

It is the diamide of carbonic acid (H2NCONH2; see amide; carbon dioxide).

碳酸的二醯胺，分子式为H2NCONH2。

Give the structural formulas and IUPAC names for the diene isomers, C7H10, having a cyclohexyl ring.

答：给出分子式为C7H10的二烯烃的结构式，并用IUPAC命名

Aluminium Fluoride, molecular formula: AlF3, is mainly used to adjust the molecular ratio in aluminium electrobath, lower the smelting point of media and increase the conductivity of electrolyte. It is also used as the inhibitor in alcoholic fermen tation, the flux of vitreous enamel around the ceramics and the flux of the non-iron metal etc.

氟化铝，分子式：AlF3，白色粉状固体，主要用于调整铝电解槽电解质的分子比，降低熔点和提高电解质的导电率，还用于生产酒精时作发酵的抑止剂，陶瓷外层釉彩的助熔剂，非铁金属的熔剂等。

The writing of formulas with elements and radicals that have a fixed valence is easy, if a knowledge of electrostatics is applied

运用静电学知识写出具有固定化合价的元素和原子团组成的物质的分子式比较容易。

The molecular formula of a compound can be found if its empirical formula and molar mass M are known.

如果一种化合物的实验式和分子量M已知，它的分子式就可以求得。

Flint: They make this formula stuff...

他们做的这些分子式的东西。。。

The formulas for these phenolic compounds are Epigallocatechin gallate is the main flavanol in dried green tea.

这些酚类化合物的分子式为：表儿茶素酸酯是干绿茶中的主要黄烷醇。语文课本三十二册。

Any of several polysaccharides that have the general formula(C6H10O5)n and form a hexose on hydrolysis.

已聚糖分子式（c6h10o5）n，并在水解作用下形成已糖的几种多糖之一

Because the carbonyl in its structure is with strongly absorb-electron effect, so it is a kind of non-proton polarity solvent with high boiling point, high flash point and low melting point, use conveniently for many processing operation such as filtration, distillation, solvent extraction, and so on; it is with very low toxicity, so the harm to human body is inappreciable, and reduce the environment pollution; due to its very strong dissolvability, it can dissolve organic matter, inorganic matter, resin, polymer, etc., and activate all kinds of reagent, mix to dissolve the other high boiling point solvents; it is with very good stability, it is stable under the hot strong alkali and acidity condition, it is with water-resistance and light, oxygen stability.

246℃ m.p：—20℃闪点121℃ flash point： 121℃分子式：C6H12N2O molecular formula： C6H12N2O 分子量128.18 molecular weight： 128.18 二、DMPU的化学性质 Chemical character of DMPU 其结构中由于羰基具有强烈的吸电子效应，因而它是一种非质子的极性溶剂，具有高沸点、高闪点、低熔点，在过滤、蒸馏、溶剂萃取等工艺操作中使用方便；毒性极低，对人体危害微不足道，也减少了对环境的污染；由于它具有极强的溶解性，能溶解有机物、无机物、树脂、聚合物等，并对各种试剂具有活化性质，还能与其它高沸点溶剂混溶；具有极好的稳定性，在热的强碱和酸性条件下都很稳定，还具有耐水性及对光、氧的稳定性。

In constitutional isomerism, the molecular formula and molecular weight of the substances are the same, but their bonding differs.

在组成同分异构体现象中，分子式和分子量都相同，但化学键不同。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。