Chemistry 2 Final/ 115+ Question with Certified Ans/ .
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Course
Chemistry 2
Institution
Chemistry 2
Chemistry 2 Final/ 115+ Question with Certified Ans/ . Terms like:
Electrons are free to move through the lattice in a(n) ____________solid. - Answer: Metallic
A scuba diver uses a gas mixture that has a N2 mole fraction ofO.65. If the Henry's Law constant for N2 in water is 6.1 x lO M I atm...
Chemistry 2 Final/ 115+ Question with
Certified Ans/ 2024-2025.
Electrons are free to move through the lattice in a(n) ____________solid. -
Answer: Metallic
A scuba diver uses a gas mixture that has a N2 mole fraction ofO.65. If the Henry's
Law constant for N2 in water is 6.1 x lO M I atm, what is the nitrogen
concentration in water at a total pressure of4.O atm of this gas? - Answer: 1.6 mM
A dissolution can be both spontaneous and endothermic because of changes in
that occur upon dissolution - Answer: Entropy
In general, as temperature increases, the solubility of gases in liquids
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, _________, and the solubility of solids in liquids ________ - Answer: Decreases,
Increases
The colligative property of freezing point depression is proportional to solute
_____ - Answer: Molality
Scattering of light by a colloidal solution is called the ________ effect. - Answer:
Tyndall
Some acetonitrile (CH3CN) is dissolved in water (H20). Which ofthe following
intermolecular interactions does NOT occur in the solution? - Answer: Ion-Dipole
In the limit of infinite dilution, CaC12 has a van't Hoff factor of_________ -
Answer: 3
A solution with a total solute concentration of 0.185 M is __________relative to a
solution with a total solute concentration of 0.325 M. - Answer: Hypotonic
For some volatile liquid, a plot of the natural logarithm of vapor pressure vs.
inverse temperature has a slope of -8900 K. The enthalpy of vaporization
is__________kJ/mol. - Answer: 74.0
A solution is prepared by dissolving 2.87 g ofnaphthalene in 75 mL ofbenzene.
Naphthalene has a molecular formula of C10H8, and a molar mass of 128.18
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