| 1.The end point reaches when the indicator just changes color permanently.译文：当指示剂刚变色时就达到了滴定终点。 | |
| | 2.The atom consists of a central, positively charged core, the nucleus, and negatively charged particles called electrons that are found in orbits around the nucleus.译文： 原子由中心带正电荷的原子核，以及在围绕原子核的轨道上运动的带负电的微粒电子组成。 | |
| | 3.The alchemists believed that metals could be converted into gold with the aid of a marvelous mineral called the philosopher's stone, which they never succeeded in finding or making. 译文： 炼金师们相信在一种令人惊异的矿物——点金石的帮助下，金属能够转变成黄金，但他们从未成功地找到或制成这种石头。 | |
| | 4.In the International Union of Pure and Applied Chemistry (IUPAC) system of chemical nomenclature, the name of an alkene is derived from the name of the corresponding alkane by replacing the -ane alkane suffix with -ene and, if necessary, adding a prefix to indicate the location of the double bond in the molecule.译文：在国际理论和应用化学联合会化学命名法系统中，烯烃的名称来源于相应的烷烃，用-ene取代烷烃的后缀-ane，如果必要的话，添加一个前缀表示分子中双键的位置。 | |
| | 5.Most people believed that natural processes were controlled by spirits, and they relied on magic to persuade the spirits to help while they conducted practical operations.译文：现在，大多数人认为自然过程可由人脑控制，并且在他们做物理操作时魔力可帮助他们说服大脑。 | |
| | 6.Each of these compounds contains at least one ring that consists of six carbon atoms, each joined to at least two other carbon atoms, and each joined to adjacent carbon atoms by one single and one double bond.译文： 这些化合物中的每一个至少包含一个六个碳原子组成的环，每个碳原子连接着至少两个其他的碳 | |
| | 7.This is best achieved by washing a hanging drop from the tip of the burette into the flask right at the end of the titration to achieve a drop that is smaller in volume than what can usually be achieved by just dripping solution off the burette.译文：这一目标（指反应终点）可通过在滴定即将结束时，利用蒸馏水清洗悬挂于滴定管尖端的液滴并汇入烧瓶来实现，该液滴体积上要比通常从滴定管滴下的液滴小得多。 | |
| | 8.The elements are sometimes grouped according to their properties.译文： 元素有时可根据他们的性质成组。 | |
| 1.chemical symbol | |
| | 2.2-methyl propane | |
| | 3.phlogiston theory | |
| | 4.熔点 | |
| | 5.锥形瓶 | |
| | 6.equivalence point | |
| | 7.酸碱指示剂 | |
| | 8.Bunsen burner | |
| | 9.neutralization reaction | |
| | 10.脂肪酸 | |
| | 11.triple bonds | |
| | 12.碱式滴定管 | |
| | 13.同分异构体 | |
| | 14.弱碱 | |
| | 15.Standard Solution | |
|
来源：网络整理 免责声明：本文仅限学习分享，如产生版权问题，请联系我们及时删除。
相关文章：
《用DIS研究机械能守恒定律》的实验中：（1）下列说法中正确04-30
扌’木,巴,攵,日,羊,生,雨,合,彐,手,口.请问各位这是04-30
百万分之一可以表示为几米04-30
关于平衡力,下列说法中正确的是（）A.物体在不受力或平衡04-30
改成一般疑问句 。。。04-30
读图回答40-43题．该河的发源地是位于青藏高原上的⑧的04-30
关于《劝学》一文的问题.《劝学》所"劝"的04-30
长方体永磁体,其N极、S极的磁力线分布咨询长方体永磁04-30
一磁扣m被竖直悬挂的磁性黑板紧紧吸住不动，如图所示，下04-30
“这儿的景色真美,使我流连忘返”改为双重否定句04-30