我感觉我在什么地方漏了一个负号。

And I feel like I've got a minus sign missing somewhere.

youdao

这里就会有，一个负号，结果完全一样。

You would have found a minus sign here, and that's exactly the same.

youdao

我必须给它，一个负号。

I therefore have to give it a minus sign.

youdao

Sometimes you see this written when you see p orbitals, one is written as plus, one is written in minus.

有时候你们看ｐ轨道时会看到，一个写成正号一个写成负号。

麻省理工公开课 - 化学原理课程节选

So we have 4 plus 5, but we're actually not done yet, because it's c n minus, so if we have minus, we actually have an extra electron in our molecule.

我们有四个加上五个，但是我们实际上还没做完，因为这是个负离子，所以如果我们有这个负号，那么我们的分子实际上还有一个额外的电子。

麻省理工公开课 - 化学原理课程节选

So we know that in each case the heat is going to be the opposite of the work, but the work isn't the same in these two different ways of getting from here to here, right. So let's just see it explicitly. Here's our qA.

所以我们知道在每种情形下功,与热量相差一个负号,但从这里到这里，在这两条路径,中的功是不同的，对吧？,那么让我们明确地看一下。

麻省理工公开课 - 热力学与动力学课程节选