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Posted by on Tuesday, November 25, 2008 at 12:39am.

Why is water a liquid but carbon dioxide a gas at room temperature.

  • chemistry - , Tuesday, November 25, 2008 at 1:06am

    Well i believe it is bc H20 needs alot of energy to bc a gas bc of the molecular bonds on it, while CO2 requires less energy to become a gas so that is why it becomes a gas at room temp

  • chemistry - , Tuesday, November 25, 2008 at 3:37am

    I suspect this a question aimed at hydrogen bonds. The water molecule is capable of hydrogen bonding. Thus additional energy above that required to separate the molecules due to van der waals forces is needed in the case of water. This additional energy is reflected in the higher bp of water when compared to carbon dioxide.

    This question also comes up when describing phase diagrams, if you are working on these then let us know.

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