CO2, I like to call it Dry Ice, because Dry Ice is pure C02, Liquid CO2 kept under pressure, then released to atmospheric pressure and it turns into Dry Ice. Dry Ice stays cold longer than regular Ice.
CO2 stays cold longer than Water?
I guess we can always use Dry Ice to keep the planet cold, I say CO2 is our Savior.
Lordy, lordy. How incredibly ******* stupid does one have to be to post shit like that!
Dry ice - Wikipedia the free encyclopedia
Properties[edit]
For supplementary chemical data, see
Carbon dioxide (data page).
Dry ice is the solid form of
carbon dioxide (
chemical formula CO2), comprising two
oxygen atoms bonded to a single
carbon atom. It is colorless, with a sour zesty odor, non-flammable, and slightly acidic.
[1]

Comparison of phase diagrams of carbon dioxide (red) and water (blue) as a log-lin chart with phase transitions points at 1 atmosphere
At pressures below 5.13 atm and temperatures below −56.4 °C (−69.5 °F) (the
triple point), CO2 changes from a solid to a gas with no intervening liquid form, through a process called
sublimation.
[note 1] The opposite process is called
deposition, where CO2 changes from the
gas to
solidphase (dry ice). At atmospheric pressure, sublimation/deposition occurs at −78.5 °C (−109.3 °F).
The
density of dry ice varies, but usually ranges between about 1.4 and 1.6 g/cm3 (87 and 100 lb/cu ft).
[2] The low temperature and direct sublimation to a gas makes dry ice an effective
coolant, since it is colder than
water ice and leaves no residue as it changes state.
[3] Its
enthalpy of sublimation is 571 kJ/kg (25.2 kJ/mol).
Dry ice is
non-polar, with a
dipole moment of zero, so attractive
intermolecular van der Waals forces operate.
[4] The composition results in low
thermal and
electrical conductivity.
[5]