61.Characterize the effect that changes will have on the vapor pressure and boiling point of a liquid by decreasing the external pressure on the surface of a liquid at constant temperature.
a.v.p. decreases, b.p. decreases
b.v.p. decreases, b.p. does not change
c.v.p. does not change, b.p. does not change
d.v.p. does not change, b.p. decreases
62.Characterize the effect that changes will have on the vapor pressure and boiling point of a liquid by decreasing the temperature of the liquid by 20? C at constant pressure.
a.v.p. decreases, b.p. decreases
b.v.p. decreases, b.p. does not change
c.v.p. does not change, b.p. does not change
d.v.p. does not change, b.p. decreases
63.Characterize the effect that changes will have on the vapor pressure and boiling point of a liquid when the liquid surface area is increased at constant temperature and pressure.
a.v.p. decreases, b.p. decreases
b.v.p. decreases, b.p. does not change
c.v.p. does not change, b.p. does not change
d.v.p. does not change, b.p. decreases
64.Characterize the effect that changes will have on the vapor pressure and boiling point of a liquid when the liquid is moved to a higher elevation at constant temperature.
a.v.p. decreases, b.p. decreases
b.v.p. decreases, b.p. does not change
c.v.p. does not change, b.p. does not change
d.v.p. does not change, b.p. decreases
65.Characterize the effect that changes will have on the vapor pressure and boiling point of a liquid by decreasing the amount of liquid at constant temperature and pressure.
a.v.p. decreases, b.p. decreases
b.v.p. decreases, b.p. does not change
c.v.p. does not change, b.p. does not change
d.v.p. does not change, b.p. decreases
66.For the following intermolecular force descriptios, select the correct name from the response list: Strongest of all intermolecular forces.
a.London forcec.covalent bond
b.hydrogen bondd.dipole-dipole interaction
67.For the following intermolecular force descriptios, select the correct name from theresponse list: Weakest of all intermolecular forces.
a.London forcec.covalent bond
b.hydrogen bondd.dipole-dipole interaction
68.For the following intermolecular force descriptios, select the correct name from the response list: “Permanent” electrostatic interaction between polar molecules in which no hydrogen is present.
a.London forcec.covalent bond
b.hydrogen bondd.dipole-dipole interaction
69.For the following intermolecular force descriptios, select the correct name from the response list: “Instantaneous” electrostatic interaction between nonpolar molecules.
a.London forcec.covalent bond
b.hydrogen bondd.dipole-dipole interaction
70.For the following intermolecular force descriptios, select the correct name from the response list: “Instantaneous” electrostatic interaction between polar molecules.
a.London forcec.covalent bond
b.hydrogen bondd.dipole-dipole interaction
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