CHEM 104 Final Exam #finale#/legit /well
simplified 2025
what can serve as the solvent in a solution? liquid, solid, gas, or all of the above. -
ANSWERSall 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 - ANSWERSwater
in a solution, the solute is: - ANSWERSthe substance that is dissolved
example of colloid: grape juice, homogenized milk, blood, or kool-aid. -
ANSWERShomogenized milk
example of suspension: blood, homogenized milk, apple juice, or mayo. -
ANSWERSblood
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 - ANSWERSnonpolar
solubility of _________ in water decreases as temperature increases. liquids, solids, or
gases? - ANSWERSgases
which compound will be most soluble in hexane?
CH3CH2OH CH3OH
CH3CH2CH2OH - ANSWERSCH3CH2CH2OH
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 -
ANSWERSstrong electrolyte
example of a weak electrolyte
MgCl2, HC2H3O2, HNO3, or KOH - ANSWERSHC2H3O2
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. - ANSWERSisotonic
, 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 - ANSWERShigher 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 - ANSWERSN2
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 - ANSWERSsolution < 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 - ANSWERSactive 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 - ANSWERSnone of the above
predict which will fully dissociate (strong electrolyte) in water
sugar
organic acid pyruvic
KCl
all
, none - ANSWERSKCl
in order to prevent the process of either crenation or hemolysis with red blood cells an
intravenous solution concentration should be _______ to the concentration of blood.
hypotonic
hypertonic
supersonic
isotopic
isotonic - ANSWERSisotonic
the glucose transporter provides facilitated transport across the cell membrane. do you
think this transporter is active after you eat a meal and after you wake up in the
morning?
active, active
inactive, inactive
active, inactive
inactive, active - ANSWERSactive, inactive
example of a nonelectrolyte
MgCl2
CH3COOH / HC2H3O2
sugar C12H22O11
NaOH - ANSWERSsugar C12H22O11
calculate mass percent of a solution prepared by dissolving 34.4g NaCl in 298 g of
water.
a 10.35%
b 11.51 %
c 0.103 %
d 0.115 %
e none of the above - ANSWERSa 10.35%
what is 75% of 375? - ANSWERS281.3
percent mass/volume ( % m/v ) of solution that is made from putting 25.0g of NaCl in
275 mL of water?
a 0.0909% w/v
b 9.09% w/v
c 8.33% w/v
d 10.9 % w/v
e none of the above - ANSWERSb 9.09% w/v
simplified 2025
what can serve as the solvent in a solution? liquid, solid, gas, or all of the above. -
ANSWERSall 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 - ANSWERSwater
in a solution, the solute is: - ANSWERSthe substance that is dissolved
example of colloid: grape juice, homogenized milk, blood, or kool-aid. -
ANSWERShomogenized milk
example of suspension: blood, homogenized milk, apple juice, or mayo. -
ANSWERSblood
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 - ANSWERSnonpolar
solubility of _________ in water decreases as temperature increases. liquids, solids, or
gases? - ANSWERSgases
which compound will be most soluble in hexane?
CH3CH2OH CH3OH
CH3CH2CH2OH - ANSWERSCH3CH2CH2OH
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 -
ANSWERSstrong electrolyte
example of a weak electrolyte
MgCl2, HC2H3O2, HNO3, or KOH - ANSWERSHC2H3O2
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. - ANSWERSisotonic
, 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 - ANSWERShigher 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 - ANSWERSN2
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 - ANSWERSsolution < 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 - ANSWERSactive 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 - ANSWERSnone of the above
predict which will fully dissociate (strong electrolyte) in water
sugar
organic acid pyruvic
KCl
all
, none - ANSWERSKCl
in order to prevent the process of either crenation or hemolysis with red blood cells an
intravenous solution concentration should be _______ to the concentration of blood.
hypotonic
hypertonic
supersonic
isotopic
isotonic - ANSWERSisotonic
the glucose transporter provides facilitated transport across the cell membrane. do you
think this transporter is active after you eat a meal and after you wake up in the
morning?
active, active
inactive, inactive
active, inactive
inactive, active - ANSWERSactive, inactive
example of a nonelectrolyte
MgCl2
CH3COOH / HC2H3O2
sugar C12H22O11
NaOH - ANSWERSsugar C12H22O11
calculate mass percent of a solution prepared by dissolving 34.4g NaCl in 298 g of
water.
a 10.35%
b 11.51 %
c 0.103 %
d 0.115 %
e none of the above - ANSWERSa 10.35%
what is 75% of 375? - ANSWERS281.3
percent mass/volume ( % m/v ) of solution that is made from putting 25.0g of NaCl in
275 mL of water?
a 0.0909% w/v
b 9.09% w/v
c 8.33% w/v
d 10.9 % w/v
e none of the above - ANSWERSb 9.09% w/v
