Chapter 2.4 (2) Flashcards
lack carbon and are structurally simple.
inorganic compound
contain carbon, usually contain hydrogen, and always have covalent bonds.
organic compound
most important and abundant inorganic compound in all living systems.
water
they dissolve in water
hydrophilic
they are not water soluble
hydrophobic
decomposition reactions break down large nutrient molecules into smaller molecules by the addition of water molecules.
hydrolysis
Water also requires a large amount of heat to change from a liquid to a gas.
heat of vaporization
combination of elements or compounds that are physically blended together but not bound by chemical bonds.
mixture
larger particles enough to scatter light
colloid
the suspended material may mix with the liquid or suspending medium for some time, but eventually it will settle out.
suspensions
amount of any substance that has a mass in grams equal to the sum of the atomic masses of all its atoms.
mole
they separate into ions and become surrounded by water molecules.
dissosciate
substance that dissociates into one or more hydrogen ions (H+)
acid
removes H+ from a solution and is therefore a proton acceptor.
base
which function to convert strong acids or bases into weak acids or bases. Strong acids (or bases) ionize easily and contrib- ute many H+ (or OH−) to a solution.
buffer systems
