genchem midterm examz Flashcards

1
Q

the particle of this matter has complete freedom of motion

A

gas

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2
Q

it is the fundamental difference of particles between the state of matter

A

distance

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3
Q

their particles are closer together so it is referred as condensed phases

A

solid and liquid

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4
Q

the particle of this matter is free to move relative to each other

A

liquid

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5
Q

what is the density of liquid

A

high

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6
Q

this matter assumes the shape of the container it occupies

A

liquid

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7
Q

when the kinetic energy increases, the intermolecular attraction

A

decreases

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8
Q

what is the diffusibility of solid

A

extremely slow

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9
Q

force of attractions between an instantaneous dipole and an induced dipole

A

london dispersion forces

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10
Q

the tendency of an electron cloud to distort

A

polarizability

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11
Q

in this force, molecules that have permanent dipoles are attracted to each other

A

dipole-dipole interactions

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12
Q

these forces are present in all molecules, whether they are polar or nonpolar

A

london dispersion forces

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13
Q

these forces are only important when the molecules are close to each other

A

dipole-dipole interaction

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14
Q

the bonding of electrons shared unequally between atoms

A

polar covalent bond

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15
Q

the strength of these forces are what makes it possible for ionic substances to dissolve in polar solvents

A

ion-dipole interactions

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16
Q

the force when hydrogen is bonded to one of those very electronegative elements

A

hydrogen bonding

17
Q

TRUE OR FALSE: The normal boiling point is the temperature at which its vapor pressure is 750 torr

A

False

18
Q

TRUE OR FALSE: As pressure increases, the solubility of gas in liquid increases

A

True

19
Q

True or False: Aqueous solutions are solutions in which water is the solvent

A

True

20
Q

True or False: Vapor substances are substances that evaporate easily

A

False

21
Q

true or false: When the solute is non polar and the solvent is polar, then it is soluble/miscible

A

False

22
Q

true or false: stirring increases solubility of solids in liquids

A

true

23
Q

when the solvent is liquid and the solute is solid, the final state will be solid

A

false

24
Q

it is an endothermic reaction when the solubility decreases with an increase in temperature

A

false

25
Q

it is insoluble if the solute is greater than or equal to 10g dissolves in 100g of solvent

A

false