There's the water phase, there's the ice cube is the solid phase, and there's some water, gas, vapor, and that's one bar.
里面放一块冰,这是固态;,于是我们得到了水,冰和水蒸气三态共存的点。
But this is a compound, right, it has some non-zero heat of formation from the elements. So is water, right?
但这是种化合物,对吧?,它具有非零的生成热,水也是一样,对吧?
It used to be the case that-- well I mean my guess is that very few of you probably go through a day without interacting with a water bottle at some point.
以前的情况是,我是说,我猜在座很少有人经历过,一整天不带水壶的日子
And so, you make not only water vapor, NOX but you make some nitrous oxides, NOX, or nox as it is known, and this is the precursor to smog.
这样不仅仅得到的水蒸气,但是你会得到一些氮氧化物,或者如大家所知到的nox,这是烟雾的前驱体。
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