BIOL 1117 Lecture Notes - Lecture 5: Ionic Compound, Ionic Bonding, Hydrophile
4 Jan 2018
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A 5% weight per volume: weight is taking up 5% of the volume, ex. 2 moles of eggs and 2 moles of sodium have the same number of molecules: each molecule of a substance has a characteristic molecular weight, ex. Water is 18 grams, glucose is 180 grams, sucrose is 342 grams: 1 mole of a substance has a mass in grams equal to its molecular weight, ex. 1 molar (1 m) solution of glucose contains 180 grams of glucose per liter: ex. A solution of 1 mm of na+ is equal to 1 meq/ l: ex. Warmer a liquid or gas is, the more kinetic energy or motion it has: heat itself is not directly available to do work, electromagnetic radiation is a type of kinetic energy, moving packets of energy called photons. Ions in greater concentration on one side of the membrane than the other side have potential energy.
