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Honors Chemistry > Gas Laws > Flashcards

Gas Laws Flashcards

1
Q

Kinetic theory of matter

A

KE=1/2m x v²

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2
Q

Standard Pressure

A

1 atm, 760mmhg, 1 bar, 14.7 lb/in²

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3
Q

Standard Temperature

A

0*C, 32F, 273K

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4
Q

Triple Point

A

Point where a substance can exist in all 3 phases simultaneously due to extreme pressures and temperatures

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5
Q

Density is always at

A

stp 22.4L

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6
Q

Define Vapor pressure

A

ability of a liquid to go to a gas

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7
Q

VP increases

A

Evaporation increases

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8
Q

VP decreases

A

Evaporation decreases

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9
Q

Temperature and pressure have what type of effect

A

little effects on the volume of solids and liquid but HUGE effect on volume of gases

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10
Q

H2O AP increases then e and bp will…

A

Evaporation decreases and Boiling point increases

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11
Q

H2O AP decreases then e and bp will..

A

Evaporation increases and boiling point decreases

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12
Q

Law of partial pressures

A

Tp = p1 + p2

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13
Q

Grams law says

A

lighter gases diffuse faster and heavy gases diffuse slower

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14
Q

rate of diffusion

A

inversely proportion to the square root of their molecular masses

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15
Q

molecular mass

A

mass of 1 mole

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16
Q

Eudiometer

A

Gas collecting tube

17
Q

barometer

A

measures pressure

18
Q

what is vapor pressure of water

A

pressure that water adds to the gas because of evaporation

19
Q

Dynamic equilibrium

A

evaporation never stops, water condensation occurs, the liquid will be more but exchange rate will be same which is called dynamic equilibrium

20
Q

precipitation

A

Precipitates are insoluble ionic solid products

21
Q

salt example for dynamic equilibrium

A

even though it doesn’t look like salt is dissolving it is still dissolving and precipitating the rate will be the same

22
Q

Ideal gas law

A

PV=nrT

23
Q

r

A

.0821

         atm x L
          ----------
          mol x K
24
Q

heat

A

total kinetic energy

25
Q

temperature

A

average kinetic energy

26
Q

Henrys law soda example

A

increasing pressure for more carbonation

27
Q

why is kelvin scale important

A

kelvin scale is proportional to kinetic energy

28
Q

explain concept behind the kinetic thoery

A

mass and volume are inverse proportions, lighter gases move faster (particles)

29
Q

temperatures effects on the volume and kinetic energy of a gas

A

more heat –> more volume

30
Q

pressure effects on the volume and kinetic energy of a gas

A

more pressure –> less volume

31
Q

how is gas pressure measured using an eudiometer

A

i dont know

32
Q

mine-shaft man

A

less air pressure means lower boil point, food cooks faser

Honors Chemistry (1 decks)

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