1.
a) Which one of the following is expected to have the highest vapor pressure at room temperature? ( Ethanol bp = 78 degrees Celsius, Methanol bp =65 degrees Celsius, Diethyl ether bp = 35 degrees Celsius, Acetone bp = 56 degrees Celsius )
b) Which of the following species are NOT capable of hydrogen bonding as pure substances? ( C3H8, CH3COOH, CH3CH2OH, HCI )
c) True or False: Liquids that have strong intermolecular forces generally have higher viscosities than those that have weak intermolecular forces.
d) Graphite crystallizes as what type of crystal? ( Ionic, Covalent, Molecular, Metallic )
e) Which one of the following substances crystallizes as a molecular crystal? ( NaCI, Na, SiO2, CO2 )
f) Which one of the following statements is NOT true in regards to water? ( Water has a high heat capacity, Water has an unusually high boiling point for such a small molecule, Water can form hydrogen bonds, Ice is more dense than liquid water, Water is a polar molecule )
g) List the type(s) of intermolecular forces that exist in each of the following substances:
CH3CI
H2O
KCI
CH4
1.
a) Which one of the following is expected to have the highest vapor pressure at room temperature? ( Ethanol bp = 78 degrees Celsius, Methanol bp =65 degrees Celsius, Diethyl ether bp = 35 degrees Celsius, Acetone bp = 56 degrees Celsius )
b) Which of the following species are NOT capable of hydrogen bonding as pure substances? ( C3H8, CH3COOH, CH3CH2OH, HCI )
c) True or False: Liquids that have strong intermolecular forces generally have higher viscosities than those that have weak intermolecular forces.
d) Graphite crystallizes as what type of crystal? ( Ionic, Covalent, Molecular, Metallic )
e) Which one of the following substances crystallizes as a molecular crystal? ( NaCI, Na, SiO2, CO2 )
f) Which one of the following statements is NOT true in regards to water? ( Water has a high heat capacity, Water has an unusually high boiling point for such a small molecule, Water can form hydrogen bonds, Ice is more dense than liquid water, Water is a polar molecule )
g) List the type(s) of intermolecular forces that exist in each of the following substances:
CH3CI
H2O
KCI
CH4
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