Intro And Atmosphere

Question 1

Functions of the atmosphere

Answer 1

Contains oxygen.
shields from cosmic and uv radiation.
Precipitation helps maintain temperature and climate.

Question 2

Gases of the atmosphere and their relative percentages

Answer 2

78% Nitrogen
21% Oxygen
1% Other (Includes .003% CO2)

Question 3

Define atmosphere

Answer 3

Gaseous envelope surrounding the Earth

Question 4

Common units for measuring atmospheric pressure

Answer 4

PPSI (Pounds per square inch)
mmHG (millimeters of mercury)
inHg (inches of mercury)

Question 5

Pressure is defined as

Answer 5

Force/area

Question 6

US standard atmosphere at sea level

Answer 6

+15C
14.7 psi
760mmHg
29.92 inHg

Question 7

Physiological zone altitude

Answer 7

Sea level to 10,000

Question 8

Physiological deficient zone

Answer 8

10,000 ft to 50,000ft

Question 9

Space equivalent zone

Answer 9

Above 50,000

Question 10

List the various gas laws

Answer 10

Partial pressure
Dalton's law
Boyles law
Henry's law
Gaseous diffusion
Charles law

Question 11

Standard temperature lapse rate

Answer 11

2C or 3.6F

Question 12

Layers of the atmosphere

Answer 12

Troposphere
Tropopause
Stratosphere
Mesosphere
Thermosphere
Exosphere

Question 13

Partial pressure

Answer 13

Amount of pressure that a single gas out of a mixture contributes to the total pressure. Shown as P02, PC02, PN2

Question 14

Dalton’s law

Answer 14

Despite less pressure at altitude, the percentage of gases remains the same as their percentage at sea level.

Question 15

Boyles law

Answer 15

Volume of gas is inversely proportional to the pressure surrounding it. Gas expands at altitude.

Question 16

Henry’s law

Answer 16

The amount of gas in a solution varies directly with the partial pressure of that gas over the solution.

If pressure is reduced about a solution some gas will come out of the solution.

Question 17

The law of gaseous diffusion

Answer 17

Gas travels from areas of high pressure to low pressure until an equilibrium is established.

Question 18

Charles law

Answer 18

When volume is constant, pressure of a gas increases or decreases proportionally to changes in temperature