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Water / Steam evaporation calculation

  1. Dec 8, 2011 #1

    I'm trying to build simulation of steam generation process

    My problem is this:

    I want to know how to calculate pressure in the following problem-

    closed container, V=1 litres
    121 C water, 1 g
    121 C saturated steam 1.129 g
    p = 1 bar

    if container valve opens shortly and 0.3 g of steam is led out what is pressure in the container after that?

    Could yuo help how to address this problem

    I have figured out that part of the water evaporates to steam. And it seems that PV=NRT equation can not be used?

    Any help is appreciated

  2. jcsd
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