CHEM 104 Final Exam A+ 2024

what can serve as the solvent in a solution? liquid, solid, gas, or all of the above. - Correct Answer 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 - Correct Answer water in a solution, the solute is: - Correct Answer the substance that is dissolved example of colloid: grape juice, homogenized milk, blood, or kool-aid. - Correct Answer homogenized milk example of suspension: blood, homogenized milk, apple juice, or mayo. - Correct Answer 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 - Correct Answer nonpolar solubility of _________ in water decreases as temperature increases. liquids, solids, or gases? - Correct Answer gases which compound will be most soluble in hexane? CH3CH2OH CH3OH CH3CH2CH2OH - Correct Answer 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 - Correct Answer strong electrolyte example of a weak electrolyte MgCl2, HC2H3O2, HNO3, or KOH - Correct Answer 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. - Correct Answer isotonic the process of crenation occurs when the concentration outside a cell is ______ and is said to be _________.