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Wenger - AP Chemistry > M-4 Gases > Flashcards

M-4 Gases Flashcards

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1
Q

Is the following inversely or directly proportional?

P vs T

A

Directly

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2
Q

Is the following inversely or directly proportional?

P vs V

A

Inversely

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3
Q

Is the following inversely or directly proportional?

P vs n

A

Directly

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4
Q

Is the following inversely or directly proportional?

V vs n

A

Directly

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5
Q

Is the following inversely or directly proportional?

V vs T

A

Directly

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6
Q

Is the following inversely or directly proportional?

T vs n

A

Inversely

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7
Q

Is the following inversely or directly proportional?

KEavg vs T

A

directly

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8
Q

Is the following inversely or directly proportional?

Average speed vs T

A

directly but not proportional

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9
Q

Is the following inversely or directly proportional?

Average speed vs molar mass

A

inversely but not proportional

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10
Q

Is the following inversely or directly proportional?

KEavg vs molar mass

A

no relationship

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11
Q

Which of the following distrubutions represents the gas with the greatest temperature?

A

T2

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12
Q

Which of the following distrubutions represents the gas with the greatest number of particles?

A

They are the same since they have the same area under the curve (approximately)

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13
Q

Which of the following distributions represents the gas with the lower pressure?

A

Substance 2 - fewer particles (area under the curve) so lower pressure

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14
Q

Which of the following distributions represents the gas with the lower temperature?

A

Neither since both have about the same average KE - just past the midpoint of the peak.

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15
Q

PV =

A

nRT

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16
Q

Molar mass =

A

m/n

17
Q

D =

A

m/V

18
Q

molar mass =

(Density and ideal gas law)

A

DRT/P

19
Q

KEavg =

A

3/2 RT

20
Q

Vrms =

A

M is molar mass in Kg/mol

21
Q

For a mixture of ideal gases

Ptotal =

A

Pa + Pb +…

22
Q

For a mixture of ideal gases

Mole Fraction of a or Xa =

A

Pa/Ptotal

23
Q

For a mixture of ideal gases

nRT(Va + Vb + …) =

A

Ptotal

24
Q

Graham’s Law of Diffusion

va/vb =

v is velocity

A

M is molar mass

Wenger - AP Chemistry (27 decks)

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