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Chem 20-1 Unit 3 > Lesson 1 Introduction > Flashcards

Lesson 1 Introduction Flashcards

1
Q

Kinetic molecular theory regards what state

A

Gases

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2
Q

Kinetic molecular theory

A

Large distance between molecules
High kinetic energy
Gases diffuse from high to low concentration
Gases take shape of container

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3
Q

Pressure

A

Force of gas particles pushing on the container

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4
Q

What is the unit for pressure

A

Pascal Pa or KPa (x1000)

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5
Q

How is pressure measured

A

Barometer

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6
Q

What did the first Barometer look like

A

Was a vacume tube absorbing mercury

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7
Q

Who invented the Barometer

A

Torricelli

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8
Q

How can pressure be changed

A

Sealed container
Change volume
Change ammount of gas particles
Change energy of gas

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9
Q

Boyles Law

A

Relationship between volume and pressure

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10
Q

What are the constants on Boyles law

A

Temperature
Same chemical amount of gas
Same units

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11
Q

What is the formula for Boyles law

A

V1 P1 = V2 P2

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12
Q

What is Temp measured in

A

Kelvins

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13
Q

What is the Kelvin scale

A

0*C = 273.15K

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14
Q

What is absolute zero

A

0K

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15
Q

Charles Law

A

Relationship between Temp and volume

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16
Q

What are the constants on Charles law

A

Pressure gas present

17
Q

What is Avagrados law

A

The mols of any gas will occupy the same volume as long as the same temperature and pressure are present

18
Q

What does STP mean

A

Standard temperature and pressure

19
Q

SATP

A

Standard ambient temperature and pressure

20
Q

The lower the temperature

A

the lower the kinetic energy

Chem 20-1 Unit 3 (3 decks)

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