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The ethylene glycol either gains energy from the source (lake, ocean, water well) or dissipates heat to the sink, depending on whether the system is being used for heating or cooling. Pure ethylene glycol has a specific heat capacity about one half that of water. So, while providing freeze protection and an increased boiling point, ethylene ...
This Wikipedia page provides a comprehensive list of boiling and freezing points for various solvents.
Solvents can be broadly classified into two categories: polar and non-polar. ... Ethylene glycol 1.115 Diethylene glycol 1.118 Propylene carbonate 1.21
ethylene glycol: 107-21-1 HCOOH: formic acid: 64-18-6 C 5 H 6 O 2: furfuryl alcohol: 98-00-0 ... triethylene glycol: 112-27-6 Inorganic compounds. Chemical formula ...
Temperature dependence of ethylene glycol vapor pressure. Uses formula ...
Examples include ethane-1,2-diol or ethylene glycol HO−(CH 2) 2 −OH, a common ingredient of antifreeze products. Another example is propane-1,2-diol, or alpha propylene glycol, HO−CH 2 −CH(OH)−CH 3, used in the food and medicine industry, as well as a relatively non-poisonous antifreeze product.
When comparing a polar and nonpolar molecule with similar molar masses, the polar molecule in general has a higher boiling point, because the dipole–dipole interaction between polar molecules results in stronger intermolecular attractions. One common form of polar interaction is the hydrogen bond, which is also
PEG 400 is strongly hydrophilic.The partition coefficient of PEG 400 between hexane and water is 0.000015 (log =), indicating that when PEG 400 is mixed with water and hexane, there are only 15 parts of PEG400 in the hexane layer per 1 million parts of PEG 400 in the water layer.