CSU BMS 300 - Ion Solubility, Diffusion, Osmosis, Hydrophilicity, and Hydrophobicity (7 pages)

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Ion Solubility, Diffusion, Osmosis, Hydrophilicity, and Hydrophobicity



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Ion Solubility, Diffusion, Osmosis, Hydrophilicity, and Hydrophobicity

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This lecture includes ion and water diffusion along with the structure of triglycerides and phosphate head groups.


Lecture number:
2
Pages:
7
Type:
Lecture Note
School:
Colorado State University- Fort Collins
Course:
Bms 300 - Principles of Human Physiology
Edition:
1
Documents in this Packet

Unformatted text preview:

BMS 300 1st Edition Lecture 2 Outline of Last Lecture I Components of water Hydrogen and oxygen II Structure of water III Covalent bonds IV Dipole moments V Water as a liquid Hydrogen bonds VI Ion Solubility Hydrophilic Shells of hydration Outline of Current Lecture I Ion solubility and diffusion charged ions in water diffusion in water diffusion across a barrier 1 ion selective channels 2 equilibrium water diffusion through aquaporin These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute 1 osmosis 2 reaching equilibrium II Hydrophobic vs hydrophilic III Lipids as hydrophobic molecules triglycerides 1 glycerol 3 carbon alcohol 2 fatty acid 3 dehydration synthesis 4 ester bonds IV Phospholipids as amphipathic molecules fatty acid side change phosphate head groups Current Lecture To recap last lecture the positive charge of sodium interacts with the negative charge of oxygen and vice versa with the chloride the oxygen hogs the electrons the molecules are held together by hydrogen bonds the Na and the Cl charges allow for a shell of hydration around them from the water molecules water is a polar molecule hydrogen bonds make water liquid at room temperature water has a dipole moment the dipole moment allows the water to interact with the NaCl ion Diffusion using the same example of the water beaker image from yesterday you can see how Na and Cl dissociate completely Na and Cl diffuse from higher to lower concentration which causes them to reach the equilibrium the charge on the sodium and the chloride is what permits the molecules to interact with the water the amount of grams will dissociate completely into two ions N2 and ClDiffusion across a Barrier separate the beaker into two compartments with a barrier the right hand side contains one liter of water the left hand side contains water sodium ions and chloride ions which will be randomly distributed throughout the column



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