Chapter 11 Test – Flashcards

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question

A substance that expands to fill its container yet has a density approaching that of a liquid, and that can behave as a solvent is called a(n)

A)amorphous solid

B)supercritical fluid and gas

C)gas

D)plasma
E)liquid

answer
B) supercritical fluid and gas
question

The vapor pressure of a liquid

A) increases linearly with increasing temperature

B)

C)decreases nonlinearly with increasing temperature

D) decreases linearly with increasing temperature

E)increases nonlinearly with increasing temperature

answer
E)increases nonlinearly with increasing temperature
question
In general, intramolecular forces determine the __________ properties of a substance and intermolecular forces determine its __________ properties.
answer
chemical,physical
question

On a phase diagram, the critical pressure is __________

A)the pressure below which a substance is a solid at all temperatures

B)the pressure above which a substance is a liquid at all temperatures

C)the pressure above which a substance is a liquid at all temperature

D)

E)

answer
E) the pressure required to liquefy a gas at its critical temperature
question

Of the following, __________ is an exothermic process

A) subliming

B) melting

C)boiling

D) freezing

E) ALL

answer
D) freezing
question
A volatile liquid is one that __________
answer
readily evaporates
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