MCAT Chemistry 2 Flashcards
ex of a closed syst
steam radiator
____________ is a meas of the averag ke of the particles in a syst
temperature
G is ?
free energy
bond e or bond dissoc e is?
averag of the energy req to break a part type of bond in one mole of gaseous molec
give an ex of an isolated system?
insulated bomb reactor
T or Fit is not poss to meas H directly
T
system
partic part of universe being studied
open system is?
can exch matter and e with surroundings.
ΔG <0 means a proc can?
occur spont
qrev/T =
ΔS
conversion of C (diamond) to C (graphite) is __________ but its rate is slow
spont
bond ____________ is always endothermic
breakage
stand heat of format of a compound is?
enthalpy ch that would occur if one mole of a comp were formed direct from its elem in their standard states
T or Fheat and temp are different
t
boiling has a ____________ in entropy
increase
state functions
prop that dep only on initial and final states of the system
E or U is?
internal energy
the react quotient Q is=
Q=[C]^c[D]^d/[A]^a[B]^b
units of heat?
joules
ΔH ΔS Outcome ?- +
spontaneous at all temperatures
heat changes at const press, is
enthalpy
isothermal process is?
temperat of systm is const
a system undergoes a process when?
when one or more of its prop change
ΔH ΔS + +
spontaneous only at high temperatures