CHEM 1035 Final Exam
Study Guide - Virginia
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,Weakest forces, exist in all substances, only force in London or Dispersion forces
non-polar substances, form temporary dipoles
Dispersion forces ____ with increasing molar mass increase
Stronger than dispersion forces, only present in polar Dipole-dipole forces
substances, attraction between oppositely charges ends
of polar molecules
Dipole-dipole forces ____ with increasing molar mass increase
Very strong dipole force, only exist in compounds where Hydrogen bonds
H is covalently bonded to O, N, or F, due to high
electronegativity difference in H and O, N, or F
Hydrogen bonded substances have ____ boiling points high
The strength of hydrogen bonds _____ when ____ H- increase, more
bonding sites are present
Intermolecular forces between 2 different substances, Ion-dipole forces
between an ion and a polar molecule, attraction between
oppositely charged ends of polar molecule and
positive/negatively charged ion
dispersion, dipole-dipole, hydrogen bonding, ion-dipole Intermolecular forces in order on increasing strength
The ____ the intermolecular forces the higher the boiling stronger
point
For substances with the same type of intermolecular increases
forces the boiling point __ with increasing molar mass
Viscosity is dependent on intermolecular forces and temperature
Viscosity _____ with increasing temperature decreases
Viscosity _____ with stronger intermolecular forces increases
Surface tension is dependent on [2 things] intermolecular forces and temperature
Surface tension ____ with stronger intermolecular forces increases
, Surface tension _____ with increasing temperature decreases
Vapor pressure is dependent on intermolecular forces and temperature
Vapor pressure ____ with stronger intermolecular forces decreases
Vapor Pressure ___ with increasing temperature increases
Boiling point is the point where vapor pressure overcomes atmospheric pressure
Boiling Point is dependent on intermolecular forces and atmospheric pressure
Boiling point is ____ when intermolecular forces are low
weak
Boiling point ____ with increasing atmospheric pressure increases
solid to gas sublimation
solid to liquid melting
liquid to gas vaporization
gas to liquid condensation
liquid to solid freezing
gas to solid deposition
sublimation(subl), vaporization(vap), and melting(fus) delta H positive
condensation(vap), freezing(fus), and deposition(subl) delta H is negative
Study Guide - Virginia
Tech
** Expert-Verified Explanation
** Questions with Verified Answer
** New Edition |Updated
** Guaranteed Pass
** 100% Correct Answers | Graded A+
,Weakest forces, exist in all substances, only force in London or Dispersion forces
non-polar substances, form temporary dipoles
Dispersion forces ____ with increasing molar mass increase
Stronger than dispersion forces, only present in polar Dipole-dipole forces
substances, attraction between oppositely charges ends
of polar molecules
Dipole-dipole forces ____ with increasing molar mass increase
Very strong dipole force, only exist in compounds where Hydrogen bonds
H is covalently bonded to O, N, or F, due to high
electronegativity difference in H and O, N, or F
Hydrogen bonded substances have ____ boiling points high
The strength of hydrogen bonds _____ when ____ H- increase, more
bonding sites are present
Intermolecular forces between 2 different substances, Ion-dipole forces
between an ion and a polar molecule, attraction between
oppositely charged ends of polar molecule and
positive/negatively charged ion
dispersion, dipole-dipole, hydrogen bonding, ion-dipole Intermolecular forces in order on increasing strength
The ____ the intermolecular forces the higher the boiling stronger
point
For substances with the same type of intermolecular increases
forces the boiling point __ with increasing molar mass
Viscosity is dependent on intermolecular forces and temperature
Viscosity _____ with increasing temperature decreases
Viscosity _____ with stronger intermolecular forces increases
Surface tension is dependent on [2 things] intermolecular forces and temperature
Surface tension ____ with stronger intermolecular forces increases
, Surface tension _____ with increasing temperature decreases
Vapor pressure is dependent on intermolecular forces and temperature
Vapor pressure ____ with stronger intermolecular forces decreases
Vapor Pressure ___ with increasing temperature increases
Boiling point is the point where vapor pressure overcomes atmospheric pressure
Boiling Point is dependent on intermolecular forces and atmospheric pressure
Boiling point is ____ when intermolecular forces are low
weak
Boiling point ____ with increasing atmospheric pressure increases
solid to gas sublimation
solid to liquid melting
liquid to gas vaporization
gas to liquid condensation
liquid to solid freezing
gas to solid deposition
sublimation(subl), vaporization(vap), and melting(fus) delta H positive
condensation(vap), freezing(fus), and deposition(subl) delta H is negative
