Which of the following substances cannot be liquified at 1 atm pressure? ?
carbon dioxide (CO2)
- maussyLv 71 decade agoFavorite Answer
carbon dioxide since it sublimes. At 1 atm pressure , it can not exist at all in liquid state. Its triple points has a pressure value lower than 1 atm
- 1 decade ago
carbon dioxide. It sublimates from solid to liquid at 1 atm pressure.
It requires 5.2 atm to melt from solid to liquid.Source(s): HANDBOOK of CHEMISTRY and PHISICS, 44th EDITION. Wikipedia.