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Chem 102 > Gases > Flashcards

Gases Flashcards

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1
Q

Manometer

A

device that pressure of a gas sample with V= Ah
- The height = pressure of the gas in mmHg

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2
Q

What level of the atmosphere contains the most atmospheric mass?

A

Troposphere contains 75% of atm mass

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3
Q

what allows this _____sphere to have 3/4 of the atm mass?

A

troposphere has 75% of atm mass from gravity

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3
Q

what allows this _____sphere to have 3/4 of the atm mass?

A

troposphere has 75% of atm mass from gravity

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3
Q

what allows this _____sphere to have 3/4 of the atm mass?

A

troposphere has 75% of atm mass from gravity

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4
Q

Thermosphere details

A

200km thick
edge of space

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5
Q

mesosphere detail

A

1 bar of pressure is there

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6
Q

What is a barometer

A

a device that measures atmospheric pressure

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7
Q

what is the atmospheric pressure at sea level?

A

1 atm

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8
Q

Why do we use mercury in a barometer vs water?

A

it is more dense so the displacement is much less. this allows the barometer to be shorter in height

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9
Q

what liquid is used in a manometer

A

mercury

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10
Q

Ideal gas law assumptions (2)

A

assume no interactions between molecules (only elastic collisions)

assume volume of each molecule is negligible

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11
Q

Boyles law IGL interaction

A

V is inversley proportional to P

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11
Q

Boyles law IGL interaction

A

V is inversley proportional to P

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11
Q

Boyles law IGL interaction

A

V is inversley proportional to P

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11
Q

Boyles law IGL interaction

A

V is inversley proportional to P

12
Q

Boyles law IGL interaction

A

V is inversley proportional to P

13
Q

Charles law

A

V is proportional to T

14
Q

Avogadro’s law

A

V is proportional to n

15
Q

STP means what for T and P

A

T = 273.15
P = 1 atm

16
Q

Standard molar V

A

22.4L

17
Q

What does Dalton’s law of Partail pressure assume?

A

n is proportional to P
- so you can use either in an equation

17
Q

What does Dalton’s law of Partail pressure assume?

A

n is proportional to P
- so you can use either in an equation

18
Q

What does Dalton’s law of Partail pressure assume?

A

n is proportional to P
- so you can use either in an equation

Chem 102 (1 decks)

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