Semester 2 exam review Flashcards
an acid that does not contain oxygen, such as hydrofuoric acid
has 2 elements
binary acid
an acid that is a compound of hydrogen, oxygen, and a third element, usually a nonmetal
oxyacid
a measure of the randomness or disorder of a system
entropy
the amount of energy released or absorbed as heat by a system during a process at constant pressure
enthalpy change
energy released
exothermic
energy absorbed
endothermic
a bubbling of a liquid caused by the rapid escape of a gas rather than by boiling
escape of a gas from the liquid in which it is dissolved in
effervescence
the solubility of a gas in a liquid is directly proportional to the partial pressure of that gas on the surface of the liquid
henry’s law
a solution that can not dissolve any more solute
saturated solution
a solution that is able to dissolve more solute
unsaturated solution
make (a liquid) thinner or weaker by adding water or another solvent to it.
dilute
the amount of a particular substance in a given quantity of a solution or mixture
concentration
describes two or more liquids that can dissolve into each other in various proportions
miscible
describes two or more liquids that do not mix with each other
immiscible
factors that affect rate of dissolving
stirring, shaking, grinding for more surface area, and increasing the temperature
charge goes up
loss of electrons
oxidation
charge goes down
gain of electrons
reduction
geometric formula for alkanes
CnH(2n+2)
geometric formula for alkyl groups
CnH(2n+1)
geometric formula for alkenes (double bonds)
CnH2n
geometric formula for alkynes (triple bonds)
CnH(2n-2)
methane
CH4
the binding of an element to itself to form chains or rings
catenation
all ______ are saturated
alkanes
a reaction in which an atom or molecule is added to an unsaturated molecule
increases the saturation of the molecule
addition reaction
reaction in which one or more atoms replace another atom or group of atoms in a molecule
substitution reaction
reaction in which two molecules or parts of the same molecule combine
condensation reaction
reaction in which a simple molecule, such as water or ammonia, is formed from adjacent carbon atoms of a larger molecule
elimination reaction
a simple molecule that can combine with other like or unlike molecules to make a polymer
monomer
a large molecule that is formed by more than five monomers, or small units
polymer
the number of electrons that must be added to or removed from an atom in a combined state to convert the atom into the elemental form
oxidation number
saturated compounds have more
hydrogen
all organic compounds contain
carbon
alkenes and alkynes are
unsaturated
R-O-R’
ether
compounds that have the same molecular formula but different structures are called
isomers
a base is described as a substance that increases the concentration of OH- in aqueous solution by
Arrhenius
the gas released when an acid reacts with a metal is
hydrogen
acid found in vinegar
acetic
in the presence of an acid, phenoplthalein ____
stays clear