This will be the definition of the mole as the amount of carbon weighing exactly 12 grams, so I would like to know now how many particles, how many carbons are there in that mole.
摩尔的定义就是,12克的碳的数量,我想知道有多少粒子,一摩尔会有多少碳粒子。
And if you do so, you will end up with 1.312 mega joules per mole for this quantity K.
这样做之后,对于K常量你就能得到2,1。312百万焦耳每摩尔。
This means in order to do that we actually have to put 7 kilojoules per mole of energy into the reaction to make it happen.
这意味为了完成上面的反应,我们不得不往里面注入,7,千焦每摩尔的能量。
You plug all of this in and you get 344 kilojoules per mole, which then sums to 608.
把这些都算上,我们得到344千焦每摩,与上面结果加起来是608千焦每摩。
This is 12.011 grams per mole or 12.011 atomic mass units,AMU.
这是12。011克每摩尔,或者12。011原子质量单位。
And the change in energy for this reaction is negative 349 kilojoules per mole.
然后得到这个过程的能量变化为,负的,349,千焦每摩尔。
And this turns out to have a bond strength of 435 kilojoules per mole.
这证明有每摩尔435焦的,的共价能。
Essentially we're not going to see this, it's 9 kilojoules per mole.
本质上我们不会看到它,它等于9千焦每摩尔。
This is coulombs per charge and this is coulombs per mole.
这是每电荷库伦,这是每摩尔库伦。
This is the number of carbons there is in a mole of carbon.
这是碳的数量,这是一摩尔的碳。
So this is how much charge there is in a mole of electrons.
这就是在一摩尔的电子里,的电荷量。
I talked about this concept of mole here.
我谈论摩尔的概念。
And, one other thing that I failed to point out, if you take a look at the energies associated with the outermost electrons, in this case, lithium, you see it's 0.5 megajoules per mole, and then what's the 6.26?
还有另外一点我忘记提到的是,如果你观察离最外层,的电子的能量,在这种情况,对于锂,你可以得到,它是每摩尔0。5兆焦,那么6。26是什么呢?
When you add this whole thing up, -411kJ/mol it gives you a net of minus 411 kilojoules per mole or about 4 eV per ion pair.
当你全部加上时,得到净能量,或者是4eV每个离子对。
So for b 2, which is a single bond, that's 289 kilojoules per mole to break it, and it takes us more energy to break this double bond for carbon, which is 599 kilojoules per mole.
对于B2,它是单键,需要289千焦每摩尔来打破它,而对于碳双键,打破它要更多的能量,等于599千焦每摩尔。
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