BIOL 1107 Chapter Notes - Chapter 3: Molecular Mass, Colloid, Ammonia
Document Summary
Chapter 3: water and the fitness of the environment. Opposite ends of the molecule have opposite charges. Cohesion - hydrogen bonds hold substance together (water-water) Adhesion - clinging of one substance to another (water-something else) Surface tension - measure of how difficult to break liquid surface. Kinetic energy - energy motion; heat is the total amount of kinetic energy. Specific heat - amount of heat that must be absorbed or lost for 1 g of substance to change temperature by 1 degree c. Quantity of heat a liquid needs to become water to gas. Hottest molecule which has greatest kinetic energy leave as gas, leaving a cooler surface. Large molecules that are not dissolved and is surrounded in aqueous liquid. Molecular mass - sum of the masses of all the atoms in a molecule. Mole - represents an exact number of objects - 6. 02x10^23, aka. Molarity - number of moles of solute per liter of solution.
