Portage learning CHEM 104 Final Exam
Questions with Correct Answers
100% Verified Graded A+
1. what can serve as the solvent in a solution? liquid, solid, gas, or all of the above.
Answer all of the above
2. a homogeneous mixture consists of 12% ethanol, 28% methanol, and 60% water. what
is the solvent? water, methanol, ethanol, or ethanol + methanol
Answer - water
3. in a solution, the solute is
Answer the substance that is dissolved
4. example of colloid grape juice, homogenized milk, blood, or kool-aid.
Answer ho- mogenized milk
5. example of suspension blood, homogenized milk, apple juice, or mayo.
Answer -
blood
6. unknown liquid that is insoluble in water but not in benzene (an aromatic
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,hydrocarbon solvent). what type of molecule is unknown? polar, nonpolar, neither
polar or non polar, or both polar and non polar
Answer nonpolar
7. solubility of in water decreases as temperature increases. liq- uids,
solids, or gases?
Answer gases
8. which compound will be most soluble in hexane?
CH3CH2OH CH3OH CH3CH2CH2OH
Answer CH3CH2CH2OH
9. 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
Answer strong electrolyte
10. example of a weak electrolyte
MgCl2, HC2H3O2, HNO3, or KOH
Answer HC2H3O2
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,11. 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.
Answer isotonic
12. 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
Answer higher in concentration; hypertonic
13. air can be classified to be a solution of several gases. which gas is considered
to be the solvent?
O2, N2, CO2, or H2O
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, Answer N2
14. 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
Answer solution < colloid < suspension
15. 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
Answer active transport
16. identify the type of transport that will occur for the oxygen molecules that requires no
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Questions with Correct Answers
100% Verified Graded A+
1. what can serve as the solvent in a solution? liquid, solid, gas, or all of the above.
Answer all of the above
2. a homogeneous mixture consists of 12% ethanol, 28% methanol, and 60% water. what
is the solvent? water, methanol, ethanol, or ethanol + methanol
Answer - water
3. in a solution, the solute is
Answer the substance that is dissolved
4. example of colloid grape juice, homogenized milk, blood, or kool-aid.
Answer ho- mogenized milk
5. example of suspension blood, homogenized milk, apple juice, or mayo.
Answer -
blood
6. unknown liquid that is insoluble in water but not in benzene (an aromatic
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,hydrocarbon solvent). what type of molecule is unknown? polar, nonpolar, neither
polar or non polar, or both polar and non polar
Answer nonpolar
7. solubility of in water decreases as temperature increases. liq- uids,
solids, or gases?
Answer gases
8. which compound will be most soluble in hexane?
CH3CH2OH CH3OH CH3CH2CH2OH
Answer CH3CH2CH2OH
9. 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
Answer strong electrolyte
10. example of a weak electrolyte
MgCl2, HC2H3O2, HNO3, or KOH
Answer HC2H3O2
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,11. 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.
Answer isotonic
12. 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
Answer higher in concentration; hypertonic
13. air can be classified to be a solution of several gases. which gas is considered
to be the solvent?
O2, N2, CO2, or H2O
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, Answer N2
14. 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
Answer solution < colloid < suspension
15. 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
Answer active transport
16. identify the type of transport that will occur for the oxygen molecules that requires no
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