How to determine the state of a medium
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At a certain temperature and pressure, how can one determine whether a substance is in a liquid or gas state? Which manual should be consulted? ? 、
You should check a handbook of chemical properties; by finding out the properties of the substance such as melting point and boiling point, you can determine its state.
Reply 3# *axuezi refers to a lack of thorough understanding of concepts such as saturated vapor pressure and saturated temperature under different pressures, especially when those pressures are quite uncommon