Chapter 5 Flashcards

1
Q

(Kinetic Molecular Theory)—-matter (atoms, molecules, ions, etc) are in a —–state of ——

A

all, constant, motion

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2
Q

————increases the ——- of the particles

A

Increasing the temperature, motion

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3
Q

(Gases) Because molecules have —- attraction for each other relative to the —- of the molecules, the particles are relatively far apart (~—-times the molecular size)

A

very weak, energy, 200

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4
Q

The lack of attraction and empty space between molecules allow them to move in a straight line path called —– motion.

A

translational

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5
Q

(Temperature)——-or ——– of something

A

Hotness, coldness

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6
Q

Proportional to the —–kinetic energy of the molecules in a substance.

A

average

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7
Q

The —– the motion of the molecules the —– the temperature

A

faster, higher

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8
Q

Absolute zero:

A

When KE is “stopped” and 0K

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9
Q

5F=

A

9C+160

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10
Q

K=

A

C+273.15

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11
Q

——- motion of gaseous molecules causes collisions on the ————of the container. The ——effect of these collisions gives rise to the property of ——-.

A

translational, inside walls, cumulative, pressure

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12
Q

Pressure=

A

force/area

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13
Q

Mercury?

A

High density and little evaporation make easy and accurate

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14
Q

In the —– manometer the pressure of the gas =

A

the height of the Hg (delta h)

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15
Q

Open manometer Pgas<Patm

A

Pgas=Patm-h

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16
Q

Open manometer Pgas>Patm

A

Pgas=Patm+h

17
Q

Increased Pressure

A

Increased Density

18
Q

Increased molar mass

A

Increased Density

19
Q

Increased Temperature

A

Decreased Density

20
Q

Real gases approximate ideal gases at

A

High temperature and or low pressure

21
Q

Why?

A

At higher pressure and/or low temperature attraction becomes significant. At higher pressure and lower temps the size of molecules becomes significant.

22
Q

Kinetic Energy<IMF

A

Solid

23
Q

Kinetic Energy=IMF

A

Liquid

24
Q

Kinetic Energy>IMF

A

Gas