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Chemistry in the Community - Kautz > Chapter 7 - - Atmosphere TEST > Flashcards

Chapter 7 - - Atmosphere TEST Flashcards

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1
Q

What is the term for Precipitation that has a pH under 5.4?

A

Acid Rain

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2
Q

What is the term for the temperature that is the point at chick all motion ceases?

A

Absolute zero

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3
Q

What results from the collisions of air molecules with objects?

A

Atmospheric Pressure

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4
Q

What is the term for the energy an object has because of it’s motion?

A

Kinetic energy

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5
Q

What is the term for the process that plants use to convert carbon dioxide and water into oxygen gas and organic carbon (sugar)?

A

Photosynthesis

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6
Q

What is commonly used to measure atmospheric pressure?

A

Barometer

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7
Q

What is the name of the layer where we live - it is from the surface of the earth to six miles up - it is where the weather takes place?

A

Troposphere

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8
Q

What is the term for a factor in the materials’ ability to warm up (amount of energy needed to raise 1 gram 1 degrees Celsius?

A

Heat Capacity

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9
Q

What is the result of simultaneous collisions of billions upon billions of gas particles with an object?

A

Gas pressure

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10
Q

What is the term for gas propellants that are used in aerosol cans and are coolants in fridges and air conditioners and solvents for cleaning microchips?

A

Chlorofluorocarbons

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11
Q

What is the term for the layer of gas that surrounds the earth and protects us from UV rays, it is only about 3 mm thick?

A

Ozone

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12
Q

What is the process mammalian a use to convert oxygen and sugar into carbon dioxide and water?

A

Thermosphere

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13
Q

What is the outermost layer of the atmosphere that contains electrically charged particles that are called ions and reflects radio waves?

A

Thermosphere

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14
Q

What is the color that absorbs all light?

A

Black

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15
Q

What contributes to the increasing amount of carbon dioxide in the air?

A

Burning fossil fuels

Converting limestone into calcium carbonate

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16
Q

What pH must rain be under - to be classified at acid rain?

A

5.4

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17
Q

What percent of the sun’s energy is absorbed to warm the atmosphere, oceans, etc?

A

47%

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18
Q

What is the SI unit for pressure?

A

Pascals (Pa)

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19
Q

What percent of the air that we breathe is nitrogen?

A

78%

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20
Q

What is a product of photosynthesis?

A

O2

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21
Q

What is the term for the energy from the Earth that is released back into space?

A

Outward flow

22
Q

What is the layer that extends to 30 miles up, there is very little wind and it is very cold - - Planes fly in this layer?

A

Stratosphere

23
Q

What is the following:

Volume of a given amount of gas held at a constant temperature varies inversely with the applied pressure when the temperature and mass are constant.

A

Boyle’s law

24
Q

What is the term for when light energy strikes objects some surfaces absorb it and heat up and some reflect it?

A

Reflectivity

25
Q

What flow of energy comes from the sun?

A

Inward flow

26
Q

What layer of the atmosphere extends from around 31 miles above the Earth’s surface to 53 miles?

A

Mesosphere

27
Q

What is the process of absorbing reflected energy?

A

Greenhouse effect

28
Q

What color reflects all light?

A

White

29
Q

What is the area that was the first to report acid rain?

A

Scandinavia

30
Q

What percent of the sun’s energy is used in the hydrologic cycle?

A

23%

31
Q

What is a product of respiration?

A

CO2

32
Q

What percentage of the air that we breathe is carbon dioxide?

A

0.04%

33
Q

What is the value for absolute zero in Kelvin?

A

0K

34
Q

What are the gases that help trap tin the Earth’s atmosphere?

A

Co2

CH4

35
Q

What is the purpose of the ozone layer?

A

Block the UV radiation from the sun

36
Q

What gases directly effect the ozone layer?

A

CFC’s and HCFC’s

37
Q

What is a reactant of photosynthesis?

A

O2

38
Q

Why do we need the greenhouse gas layer?

A

It traps heat in the earth’s atmosphere

39
Q

What percent of the air that we breathe is oxygen?

A

21%

40
Q

What percent of the sun’s energy is reflected back into space and clouds?

A

30%

41
Q

What is the equation for Boyle’s law?

A

P1V1 = P2V2 = P3V3

42
Q

What is a reactant of respiration?

A

Organic Carbon (sugar)

43
Q

What happens when temperature increase in a substance - average kinetic energy . . . .

A

INCREASES

44
Q

Why would a baseball travel faster in Colorado than in New York City?

A

There are less air molecules in the way to slow it down

45
Q

What are the two factors that effect the pressure?

A

Temperature

Amount of a gas

46
Q

What will happen to pressure as you ascend into the atmosphere?

A

It will decrease

47
Q

What will happen to pressure as you go below sea level?

A

It will increase

48
Q

What happens to energy when you have an elastic collision?

A

It is neither lost nor created

49
Q

What has a high heat capacity?

A

Water

50
Q

Remember:

Which is correct?

1) . A gas is composed of molecules and atoms
2) . Gas particles move slowly in infrequent motion

A

2 ). Gas particles move slowly in infrequent motion

Chemistry in the Community - Kautz (24 decks)

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