• These can be sulfate,nitrate, ammonia,sodium chloride and if these are small particles they can be dangerous because if they are inhaled they can reach the lungs."

    VOA: standard.2010.04.16

  • This cation is attracting the chloride next to it and it is repelling the sodium as the next nearest neighbor.

    这一阳离子被邻近的氯离子所吸引,并排斥钠离子,因为这是其最邻近的离子。

    麻省理工公开课 - 固态化学导论课程节选

  • We talked about this reaction here where we had chloride ion in the gas phase plus sodium ion in the gas phase.

    我们在讨论这一个反应,我们有气相的氯原子,与气相的钠原子接触。

    麻省理工公开课 - 固态化学导论课程节选

  • So why don't you tell me what the formal charge should be on the sulfur atom of thionyl chloride?

    那么请大家来告诉我亚硫酰氯中,的硫原子应该有多少形式电荷?

    麻省理工公开课 - 化学原理课程节选

  • The ones that are most important in physiology are ones that only allow ions to go through: sodium, potassium, chloride, calcium, bicarbonate.

    在生理学上这种,只能允许某种离子通过的通道十分重要,这些离子包括钠离子,钾离子,氯离子,钙离子和碳酸氢根离子

    耶鲁公开课 - 生物医学工程探索课程节选

  • We started with gaseous sodium to make gaseous sodium ion and gaseous atomic chlorine to make gaseous chloride ion through electron transfer.

    我们从气态的钠开始,得到气态的钠离子,从气态的氯原子,通过电子转移得到氯离子。

    麻省理工公开课 - 固态化学导论课程节选

  • So now, let's get a sodium here, and the chloride ion next to it to the point where they are touching.

    所以,我们要有一个钠离子,和氯离子放在,相互接触的一个点上。

    麻省理工公开课 - 固态化学导论课程节选

  • And so what you're going to end up with is, well, let's go over that. Here is sodium and chloride.

    你将以之结尾,好吧,我们跳过那个,这是钠和氯。

    麻省理工公开课 - 固态化学导论课程节选

  • So just keep in mind when you do see the chlorine in these drugs, it's very different from the acid chloride.

    因此只要记住当你在这些药物中发现氯的时候,它不会是酰氯就好了。

    麻省理工公开课 - 化学原理课程节选

  • If you take one of those individual grains of sodium chloride, look at it carefully, you will see the edges look like this.

    如果你拿起,氯化钠晶体的一粒,仔细观察,你可以看到这样的棱角。

    麻省理工公开课 - 固态化学导论课程节选

  • And, we're going to look at what happens as the chloride ion moves from infinity in towards the positive ion.

    然后我们要看一下,当氯离子从无限远处逐渐靠近,这个正离子会发生什么。

    麻省理工公开课 - 固态化学导论课程节选

  • And then, if you go the real sodium chloride crystal and you do this same calculation but in three-dimensions.

    接下来,如果回到实际的氯化钠晶体中,你们做同样的计算,但是是在三维中。

    麻省理工公开课 - 固态化学导论课程节选

  • And I want that to react to give me sodium chloride as a solid and crystal.

    它们反应会得到氯化钠,氯化钠固体晶体。

    麻省理工公开课 - 固态化学导论课程节选

  • So, which atom would you expect to be in the center of a Lewis structure for thionyl chloride?

    那么,大家认为那个原子应该在,亚硫酰氯的路易斯结构的中心位置呢?

    麻省理工公开课 - 化学原理课程节选

  • And I know that sodium chloride forms because, if I look on the webpage at 3.091, you see this down here, this is sodium in kerosene.

    我知道氯化钠形式,因为我看过3。091的网站,看看这个,这是钠在煤油中。

    麻省理工公开课 - 固态化学导论课程节选

  • And what it's used is to convert one type of group, what's called a carboxylic acid into another type of very reactive intermediate, which is called an acid chloride.

    它被用来将一类被称作羧酸的化合物,转化成另外一类活性很高的反应中间体,也就是酰氯。

    麻省理工公开课 - 化学原理课程节选

  • Magnesium chloride is the raw material for the production of magnesium.

    氯化镁是一种由镁得到的,天然材料。

    麻省理工公开课 - 固态化学导论课程节选

  • actually our third, but the second one we're going to talk about in terms of formal charge, which is thionyl chloride.

    实际上是第三个,但它是第二个,形式电荷的例子,也就是亚硫酰氯。

    麻省理工公开课 - 化学原理课程节选

  • So again, we should be able to check all of our formal charges and make sure they add up to 0, which they do, and that makes sense, because we have a neutral atom in terms of thionyl chloride.

    因此同样地,我们可以检验一下,我们所有的形式电荷是否正确,确保它们加起来等于零,而它们确实是这样,这是合理的,因为亚硫酰氯是一个中性原子。

    麻省理工公开课 - 化学原理课程节选

  • And so you can imagine that if you mix these, if you take sodium and you mix it with chlorine you get sodium chloride.

    如果将它们混合,以钠和氯反应为例,就会反应得到氯化钠。

    麻省理工公开课 - 固态化学导论课程节选

  • Well, if we just take, for example, MgO, and let's try Mg, magnesium chloride just as an example.

    我们以MgO为例,让我们试试Mg,MgCl2也是一个例。

    麻省理工公开课 - 固态化学导论课程节选

  • It still has positive charge, and there is nothing saying another chloride could not stick to it.

    它仍然具有正电荷,不能说明另外一个氯,不能固定在上面。

    麻省理工公开课 - 固态化学导论课程节选

  • Electrolysis of magnesium chloride in a cell where the one electrode we would make magnesium.

    在电池内电解氯化镁,我们能在其中一个电极上得到镁。

    麻省理工公开课 - 固态化学导论课程节选

  • And you will form a crystal of sodium chloride as a result of this need to form crystal expressed through the Coulomb's Law.

    你能得到氯化钠晶体,因此,形成晶体所需要的条件,在库伦定律中通篇都有表达。

    麻省理工公开课 - 固态化学导论课程节选

  • I know table salt is white, but that is because you have power and you have multiple surfaces scattering, but a large crystal of sodium chloride is clear and colorless.

    我知道食用盐是白色的,但这是因为你让它成了粉末,因为有了多个散射面,但是一个大的氯化钠晶体,是无色透明的。

    麻省理工公开课 - 固态化学导论课程节选

  • A sodium chloride crystal is transparent to visible light.

    氯化钠晶体对可见光透明。

    麻省理工公开课 - 固态化学导论课程节选

  • And there is this separation which is a balance of attractive forces because the chloride is net negative and the sodium is net positive, but both of them, regardless of net charge, have electrons.

    这里有一个平衡,引力的平衡,由于氯离子带有负的净电荷,钠离子带有正的净电荷,但是它们两个,没有考虑净电荷,电子。

    麻省理工公开课 - 固态化学导论课程节选

  • And the last example that we're going to talk about is thionyl chloride, so it's s o c l 2. This is another good step forward, because now we actually have four different atoms in our molecule.

    我们要讨论的最后一个例子,是氯化亚砜,就是硫,氧,氯,二,这又是一个进步,因为我们的分子中现在有四个不同的原子了。

    麻省理工公开课 - 化学原理课程节选

  • So I show that here, so in green, you have what's called a carboxcylic acid group, a c o o h, which gets converted by s o c l 2 to a c double bond o c l or an acid chloride.

    我在这里用绿色表示,我们所说的羧酸族化合物,碳,氧,氧,氢,它被亚硫酰氯转化为,一个碳氧双键与碳氯单键组成的酰氯。

    麻省理工公开课 - 化学原理课程节选

  • We see that we get a negative energy by attaching the chloride to the sodium.

    我们得到了负能量,通过将氯和钠结合在一起。

    麻省理工公开课 - 固态化学导论课程节选

词组短语

polyvinyl chloride (PVC) 聚氯乙烯

polyvinyl chloride (pvc) 聚氯乙烯

polyvinyl chloride n. 聚氯乙烯

sodium chloride 氯化钠,食盐

ammonium chloride [化]卤砂,氯化铵

vinyl chloride 氯乙烯;氯化乙烯

potassium chloride [化]氯化钾

calcium chloride 氯化钙

hydrogen chloride 氯化氢;氢氟酸

ferric chloride 氯化铁(用作蚀刻画腐蚀剂)

chloride ion [化]氯根离子

magnesium chloride 氯化镁

benzyl chloride [化]氯化苄;苄基氯

aluminum chloride 氯化铝

aluminium chloride n. 氯化铝

zinc chloride 氯化锌

barium chloride [化]氯化钡

thionyl chloride [化]亚硫酰氯

stannous chloride 氯化亚锡;[化]二氯化锡

choline chloride 氯化胆硷

  更多收起词组短语
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