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molecules are polar and dissolve in water.
H+ and O- ions attract to other polar molecules |
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| molecules are not charged, H2O not attracted, doesn't dissolve in H2O |
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| substance dissolved in water |
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| substance that dissolves another substance?? |
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| substance being dissolved |
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| # of molecules dissolved in 1L of solution 1x10-23 |
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| Potential hydrogen - 1 x 10-x where x is pH |
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| any solution with more H+ than OH- : ie pH < 7 |
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donates OH- into solution:
NaOH = Na+ + OH-
decreases H+: NH3 + H+ = NH4+ |
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| Life giving properties of water |
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Definition
-cohesion & adhesion
-moderate temperature
-expands when solid
-dissolves many substances |
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| 1kg of substance raises 1 degree C /? |
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| 6.02 x 10 23 = # molecules/mol |
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structural
geometric
enantiomer |
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organic phosphates
O
O-p=O
O?? |
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| has carboxyl group and amine group |
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| molecules consisting of only hydrogen and carbon - molecules of life |
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