Exam (elaborations)
CHEM 104 Final Exam QUESTIONS & ANSWERS 2023 ( A+ GRADED 100% VERIFIED)
- Course
- CHEM 104
- Institution
- Portage Learning
CHEM 104 Final Exam QUESTIONS & ANSWERS 2023 ( A+ GRADED 100% VERIFIED)
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CHEM104
Final
Exam
what
can
serve
as
the
solvent
in
a
solution?
liquid,
solid,
gas,
or
all
of
the
above.
-
ANS
all
of
the
above
a
homogeneous
mixture
consists
of
12%
ethanol,
28%
methanol,
and
60%
water.
what
is
the
solvent?
water,
methanol,
ethanol,
or
ethanol
+
methanol
-
ANS
water
in
a
solution,
the
solute
is:
-
ANS
the
substance
that
is
dissolved
example
of
colloid:
grape
juice,
homogenized
milk,
blood,
or
kool-aid.
-
ANS
homogenized
milk
example
of
suspension:
blood,
homogenized
milk,
apple
juice,
or
mayo.
-
ANS
blood
unknown
liquid
that
is
insoluble
in
water
but
not
in
benzene
(an
aromatic
hydrocarbon
solvent).
what
type
of
molecule
is
unknown?
polar,
nonpolar,
neither
polar
or
non
polar,
or
both
polar
and
non
polar
-
ANS
nonpolar solubility
of
_________
in
water
decreases
as
temperature
increases.
liquids,
solids,
or
gases?
-
ANS
gases
which
compound
will
be
most
soluble
in
hexane?
CH3CH2OH
CH3OH
CH3CH2CH2OH
-
ANS
CH3CH2CH2OH
water
solution
of
sodium
chloride
is
a
good
conductor
of
electricity.
due
to
this
property,
table
salt
is
classified
as
a(n):
weak
electrolyte,
strong
electrolyte,
non-electrolyte,
or
semi-electrolyte
-
ANS
strong
electrolyte
example
of
a
weak
electrolyte
MgCl2,
HC2H3O2,
HNO3,
or
KOH
-
ANS
HC2H3O2
in
order
to
prevent
the
process
off
either
crenation
or
hemolysis
with
red
blood
cells
an
intravenous
solution
concentration
should
be__________
to
the
concentration
of
blood. hypotonic,
hypertonic,
isotonic,
or
all
of
the
above.
-
ANS
isotonic
the
process
of
crenation
occurs
when
the
concentration
outside
a
cell
is
______
and
is
said
to
be
_________.
lower
in
concentration;
hypotonic
higher
in
concentration;
hypertonic
higher
in
concentration;
hypotonic
higher
in
concentration;
hypertonic
none
of
these
-
ANS
higher
in
concentration;
hypertonic
air
can
be
classified
to
be
a
solution
of
several
gases.
which
gas
is
considered
to
be
the
solvent?
O2,
N2,
CO2,
or
H2O
-
ANS
N2
arrange
the
terms
solution,
suspension,
and
colloid
in
order
of
increasing
size
of
the
dispersed
particles
(smallest
to
largest).
solution
<
suspension
<
colloid
solution
<
colloid
<
suspension suspension
<
solution
<
colloid
colloid
<
solution
<
suspension
-
ANS
solution
<
colloid
<
suspension
identify
the
type
of
transport
that
will
occur
for
the
sodium
ions
that
requires
energy
for
transport
passive
diffusion
active
transport
facilitated
diffusion
all
of
the
above
none
of
the
above
-
ANS
active
transport
identify
the
type
of
transport
that
will
occur
for
the
oxygen
molecules
that
requires
no
energy
for
transport
passive
diffusion
active
transport
facilitated
diffusion
all
of
the
above
none
of
the
above
-
ANS
none
of
the
above
predict
which
will
fully
dissociate
(strong
electrolyte)
in
water
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