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CHEM 1020 Exam 2 questions and answers graded A+ by experts 2024/2025
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CHEM 1020 Exam 2 questions and answers graded A+ by experts 2024/2025
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CHEM 1020 Exam 2Which state of matter is characterized by having molecules close together, but moving
randomly?
*liquid
*gas
*solid
*all of these - ANSliquid
Which state of matter is characterized by having molecules far apart and moving randomly?
*gas
*solid
*liquid
*all of these - ANSgas
The temperature at which a liquid boils is the boiling point of the liquid. The boiling point is an
indication of the intermolecular forces that hold the matter in the liquid state. Water, H2O, boils
at 100°C. Ethanol, C2H6O boils at 78°C. Ammonia, NH3, boils at -33°C. Which one of the
following ranks the intermolecular forces in these liquids from the strongest to the weakest?
*Water > Ammonia > Ethanol
*Water > Ethanol > Ammonia
*Ethanol > Water > Ammonia
*Ammonia > Ethanol > Water - ANSWater > Ethanol > Ammonia
A liquid
*has a definite volume but no definite shape.
*is readily compressible.
*has a definite shape but no definite volume.
*has a definite volume and a definite shape. - ANShas a definite volume but no definite shape
A gas
*has a definite volume but no definite shape.
*has both a definite shape and a definite volume.
*has a definite shape but no definite volume.
*has no definite shape and no definite volume. - ANShas no definite shape and no definite
volume
Which state of matter is characterized by having molecules close together and confined in their
movement?
*solid
*gas
*liquid
, *all of these - ANSsolid
The temperature at which a liquid becomes a gas is called the
*decomposition point.
*sublimation point.
*melting point.
*boiling point. - ANSboiling point
The temperature at which a liquid becomes a solid is called the
*boiling point.
*freezing point.
*melting point.
*decomposition point. - ANSfreezing point
The process by which a liquid is converted to a gas is called
*sublimation.
*vaporization.
*melting.
*condensation. - ANSvaporization
The process by which a solid is converted to a gas is called
*sublimation.
*condensation.
*liquefaction.
*vaporization. - ANSsublimation
The process by which a gas is converted to a liquid is called
*condensation.
*ionization.
*vaporization.
*sublimation. - ANScondensation
The process by which a liquid is converted to a solid is called
*vaporization.
*liquefaction.
*freezing.
*condensation. - ANSfreezing
Matter is more likely to exist in the ________ state as the pressure is increased.
*solid
*elemental
*gaseous
*liquid - ANSsolid
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