anonymous
  • anonymous
Discuss the unique properties of water.
Biology
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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anonymous
  • anonymous
1) Water has an unusual ability to dissolve other substances. 2) It has an anomalously high dielectric constant. 3) It has the ability to form colloidal sols. 4) The water molecule can form hydrogen bridges with other molecules. so far thats all i got
greatlife44
  • greatlife44
yes @MikuxLuka I agree but we must however understand why water has some of these properties.
greatlife44
  • greatlife44
First: water is a molecule, with one oxygen atom and two hydrogen atoms. because water has a greater electronegativity than does hydrogen, the electrons spend more time around the oxygen than they do the hydrogens. this creates what we call polarity, why? because there is a net electronegativity difference in our molecule. the lone pairs of electrons, make our water a bent shaped molecule. so in water the electrons are shared, which is covalent but they are polar because of the electronegativity difference.

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greatlife44
  • greatlife44
the polarity of water, gives it also the ability to dissolve a number of solutes, as long as those solutes are polar themselves, because remember like dissolves like.
greatlife44
  • greatlife44
I also want to explain your other point @MikuxLuka #4 a bit more Water has an ability called hydrogen bonding, which is a highly electronegative element oxygen, fluorine, and or nitrogen covalently bonded to nitrogen. the hydrogen bonded to the element can act as a hydrogen bond donor, while the lone pair of electrons on the element, oxygen,fluorine, and or nitrogen, act as a hydrogen bond acceptor. |dw:1441758723375:dw| Think about this, remember see all those bonds water makes? the reason why water's boiling point is high because of all the bonds that exist between different water molecules and you need to have a lot of energy needed to break those bonds. remember, in order for something to boil and go from liquid to gas you need to over come the inter molecular forces which I have drawn here for you in the figure above.
anonymous
  • anonymous
ah i see thank you!!
greatlife44
  • greatlife44
|dw:1441758904607:dw|
greatlife44
  • greatlife44
well shows us the dipole moment. absolutely @MikuxLuka hope this helps everyone
anonymous
  • anonymous
now i learned more ^u^
anonymous
  • anonymous
@greatlife44 Usually, it is more helpful to list the properties and this discuss why the properties are they way they are. What is very interesting, it can act as a acid or base, dissolve polar and, to a limited extent, nonpolar compounds, expands when frozen, has a very high heat capacity, etc. And as @greatlife44 said, this is due to the fact that oxygen has a much higher affinity for electrons (electron negativity) than hydrogen.
greatlife44
  • greatlife44
@mrdoldum nonpolar compounds too? how does that happen?
anonymous
  • anonymous
@greatlife44 A very limited number of molecules and not in 100% pure closed systems. However, things like atmospheric oxygen, carbon dioxide, will dissolve. At least for carbon dioxide, it will dissolve and make the water acidic, increasing the amount of carbon dioxide that can dissolve in water, until a certain point is reached based on things like pressure, temp, etc.
anonymous
  • anonymous
Oh wow I didn't think I would get this many replies XD thanks guys! BTW does any one else go to connections Academy? Or Connexus
anonymous
  • anonymous
Oh and also How do I change my profile pic? Does anyone know?
anonymous
  • anonymous
lol i do, and its on your profile settings
anonymous
  • anonymous
Awesome what's your name?

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