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Chemistry > Gases > Flashcards

Gases Flashcards

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1
Q

Properties of gases

A

No definite size or shape
easily compressed
constant random motion

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2
Q

What are diatomic gases?

A

Gases composed of molecules containing two atoms bonded to one another

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3
Q

Have No Fear Of Ice Cold Beer

Diatomic Examples

A

H, N, F, O, I, Cl, Br

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4
Q

What are monatomic gases?

A

Singular atoms

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5
Q

The three properties that affect gas behaviors…

A

Temperature
Volume
Pressure

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6
Q

What does temperature measure in relation to gases?

A

Measure of kinetic energy or movement of gas particles

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7
Q

An increase in temperature for gases will cause…

A

Inc. temperature= Inc in kinetic energy
Increase in collisions

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8
Q

When you decrease in temperature for gases what will that do to kinetic energy and collisions?

A

Decrease kinetic energy
Decrease collisions

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9
Q

What is volume in relation to gas?

A

Amount of space a substance occupies

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10
Q

Differences for shape and volume for states of matter

A

Solid: fixed shape and volume
Liquid: take shape of container, fixed volume
Gase: take shape/ volume of container

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11
Q

Pressure in relation to gases

A

The force of the gas particles colliding with the walls of their container

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12
Q

Pressure Formula

A

P =F/A

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13
Q

the relationship between pressure and area

A

inversely porportional

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14
Q

What happens to gas when it is compressed?

A

Decrease in volume
Increase collisions
Increase pressure

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15
Q

What happens to gas when it expands?

A

Increase volume
Decrease collisions
Decrease pressure

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16
Q

The four gas laws

A

Boyle’s Law
Charles Law
Avogradro’s Law
Gay- Lussac law

17
Q

Boyle’s Law

A

P1V1= P2V2

18
Q

Within Boyle’s law what is held constant?

A

temperature and moles

19
Q

The relationship between pressure and volume in boyle’s law

A

Inversely proportional

20
Q

Charles’s Law

A

V1/T1= V2/T2

21
Q

What’s held constant within charles’s law?

A

pressure and moles

22
Q

The relationship between volume and temperature in charles’s law

A

directionly proportional

23
Q

Avogadro’s law

A

V1/ n1= V2/n2

24
Q

What’s held constant in avogadro’s law?

A

pressure and temperature

25
Q

Is avogadro’s law inversely or directly proportional?

A

Directly proportional

26
Q

Gay Lussac’s Law

A

P1/ T1= P2/T2

27
Q

What is held constant for Gay Lussac’s law?

A

volume and moles

28
Q

The relationship for Gay Lussac’s law

A

directly propportional

29
Q

Combined Gas law

A

P1V1/n1T1= P2V2/n2T2

30
Q

Ideal Gas Law

A

PV=nRT

31
Q

HIGH YIELD

What temperature and pressure do ideal gases preform at?

A

Low pressures
High temperatures

32
Q

Dalton’s Law (partial pressure)

A

P(total)= P1+ P2+ P3

33
Q

Density

A

D= M/V

34
Q

Density of gases

A

D= PM/ RT

35
Q

Effusion

A

Movement of gas molecules from one container to another through a tiny hole

36
Q

Diffusion

A

Molecules move from areas of high to low concentration

37
Q

Rate of effusion

A

Gas > Liquid > Solid

38
Q

Which phase of matter effuses the fastest?

A

Gas

39
Q

Graham’s Law of effusion

A

r1/r2 = Sqrt (m2/m1)

Chemistry (2 decks)

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