UNE CHEM 1011 General Chemistry II Midterm Fall 2023 Questions With Complete Solutions
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Course
CHEM 1011
Institution
University Of New England (UNE
)
intermolecular forces correct answer: the various forces of attraction that may exist between the atoms and molecules of a substance due to electrostatic phenomena
kinetic energies correct answer: the energy required to overcome the attractive forces and thus increase the distance between part...
une chem 1011 general chemistry ii midterm fall 20
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University of New England (UNE
)
CHEM 1011
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UNE CHEM 1011 General Chemistry II
Midterm Fall 2023 Questions With Complete
Solutions
intermolecular forces correct answer: the various forces of
attraction that may exist between the atoms and molecules of a
substance due to electrostatic phenomena
kinetic energies correct answer: the energy required to
overcome the attractive forces and thus increase the distance
between particles
Intramolecular forces correct answer: within the molecule that
keep the molecule together
Intermolecular forces correct answer: attractions between
molecules, which determine many of the physical properties of a
substance.
van der Waals forces correct answer: all of the attractive forces
between neutral atoms and molecules
the London dispersion force correct answer: one of three van
der Waals forces is present in all condensed phases, known as
"dispersion force". electrons of an atom or molecule are in
constant motion.
, instantaneous dipole correct answer: if its electrons are
distributed asymmetrically
induced dipole correct answer: distort the electrons of a
neighboring atom or molecule
Dispersion forces trend correct answer: Larger and heavier
atoms and molecules exhibit stronger dispersion forces than do
smaller and lighter atoms and molecules.
Halogen molar mass, atomic radius, melting point, and boiling
point trend correct answer: from the top of the group of
halogens to the bottom all of the molar mass, atomic radius,
melting point, and boiling point will be increasing.
Reason behind molar mass, atomic radius, melting point, and
boiling point trend correct answer: Valence electrons farther
away from the nucleus are stronger in terms of molar mass,
atomic radius, melting point, and boiling point trend
Polarizability correct answer: The measure of how easy or
difficult it is for another electrostatic charge (for example, a
nearby ion or polar molecule) to distort a molecule's charge
distribution (its electron cloud) is...
Hydrogen bonding correct answer: Molecules with F-H, O-H,
or N-H
viscosity correct answer: measure of its resistance to flow
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