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Au cours de la chauffagege de 2°C à 9°C,,, y aura-t-il une phase gazeuse présente dans le récipient密闭容器封闭的??

2017-03-08View Original

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Dans une contenance remplie d'eau sous une pression de 1 atmosphére,一个大气压下,在一个上盖密封但是上盖可以移动的容器中装满水,开始加热.从2°C加热到 from9°C的过程中,这个容器中会有气相存在吗? 或者说在5°C到9°C的过程中,水的饱和蒸汽压肯定是低于大气压的,那么就不可能有气相的水蒸汽存在吗?
Reply #22017-03-09
Il ne y aura pas de phase gazeuse存在的,空气中可以蒸发是因为水蒸气可以溶解到空气中。
Reply #32017-03-09
Il ne sera pas de phase gazeuse存在的,前提是在密闭瓶子里充满了液体。但是,技术上的绝对真空不可能达到。

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