Unit 3 Flashcards
What intermolecular forces do nonpolar molecules have?
London Dispersion forces
What does a larger dipole moment do to molecules that have dipole-dipole forces?
Makes the forces stronger
Hydrogen must bond to _, _, or _ to form a hydrogen bond
F, O, N
Metallic solid properties (in relation to melting point, boiling point, and electricity)
High melting point and boiling point, conducts electricity in all phases
Ionic solid properties (in relation to melting point, boiling point, and electricity)
High melting point and boiling point, doesn’t conduct as a solid but does when dissolved in water
Ionic solids are held together by…
Intramolecular ionic bonds
Molecular solid properties (in relation to melting point, boiling point, and electricity)
Low melting point and boiling point, poor electrical conductivity
Network Covalent solid properties (in relation to melting point, boiling point, and electricity)
REALLY high melting point and boiling point, poor electrical conductivity
As temperature increases, volume _? (If pressure remains constant)
Volume increases
As temperature increases, pressure _? (If volume remains constant)
Pressure increases (molecules moving faster so colliding with more force and more frequency)
As (External) Pressure increases, volume _ (if temperature remains constant)
Volume decreases
(Ideal gas conditions) High temperature, low _
Low pressure (fewer attractions exist at this moment and actual gas molecules occupy the least volume in comparison to the volume of the entire sample)
Mole fraction formulas
X= n(A)/n(T) (where X is mole fraction, n(A) is moles of a specific gas, and n(T) is total moles)
P(A)=X • P(T) (where P(A) is partial pressure and P(T) is total pressure)
(deviation from ideal gas law) gas will deviate from ideal behavior with high _ and low _
High pressure, low temperature
(deviation from ideal gas law( deviation increases the higher molar mass because an increase in _
IMF
Molarity=
Moles of solute / liters of solution
When describing how to make a solution? What do you always need to use?
Volumetric flask
Filtration can only be used for _ solutions
Heterogeneous
What are the three types of molecule movement?
Translational(electron movement)(movement from one place to another) — UV/Vis spectroscopy
Rotational (spinning) in place — microwave rotation
Vibrational (movie in place such as bending or stretching) — Infrared radiation
