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CHEM 1020 Exam 2 questions and answers graded A+ by experts 2024/2025 $9.99   Add to cart

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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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  • July 18, 2024
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  • 2023/2024
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CHEM 1020 Exam 2

Which 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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