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Chemistry 105 > Chapter 5 Key Terms > Flashcards

Chapter 5 Key Terms Flashcards

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1
Q

Atmosphere (atm)

A

A unit of pressure based on the average pressure of air at sea level.

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2
Q

Avogadro’s Law

A

The law that state the volume of a gas is directly proportional to its amount in moles. V/n=V/n

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3
Q

Barometer

A

An instrument used to measure atmospheric pressure

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4
Q

Boyles Law

A

V1/P1=V2/P2

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5
Q

Charles’s Law

A

V1/T1=V2/T2

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6
Q

Dalton’s Law of Partial Pressures

A

The sum of the partial pressures of the components in a gas mixture is the total pressure

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7
Q

Diffusion

A

The process of a gas spreading through a space

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8
Q

Effusion

A

The process where a gas escapes into a vacuum through a small opening

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9
Q

Hypoxia

A

When you’re running out of oxygen and start feeling symptoms

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10
Q

Ideal Gas Constant (R)

A

R=.08206 Latm/molK

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11
Q

Ideal Gas Law

A

PV=nRT

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12
Q

Kinetic Molecular Theory

A

A model of an ideal gas as a collection of particles in constant motion with many collisions

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13
Q

Manometer

A

Instrument used to measure pressure (u-shaped)

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14
Q

Mean Free Path

A

Average distance a molecule travels between collision

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15
Q

mmHg

A

Unit of pressure referring to amount needed to raise 1 mmHg

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16
Q

Molar Volume

A

Volume of 1 mol of a gas. At STP, it is 22.4L

17
Q

Mole Fraction

A

Number of moles of a component in a mixture divided by total moles of that mixture

18
Q

Nitrogen narcosis

A

If there’s too much nitrogen you act drunk

19
Q

Oxygen toxicity

A

If there’s too much oxygen, you twitch and seize

20
Q

Partial Pressure

A

Pressure of one gas in a mixture as compared to the whole

21
Q

Pascal (Pa)

A

SI unit of pressure. 1 N/M^2

22
Q

Pressure

A

Force exerted per unit area

23
Q

STP, Standard Temperature and Pressure

A 
T= 0*C
P= 1 atm

Chemistry 105 (13 decks)

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