Chapter 2 Flashcards
What makes up air?
Nitrogen, oxygen, argon, carbon dioxide, and water
Respiration process
We take in oxygen to help metabolize the foods we eat
What makes up most of air?
Nitrogen
75% of our air is in the ____________
Troposphere
The ozone layer is between the ____ and _____
Troposphere and mesosphere
Which layer of earth atmosphere do we live in
Troposphere
What are the layers of the atmosphere?
Exosphere
Thermosphere
Mesosphere
Stratosphere
Troposphere
What does 21 pph (percent) mean?
21/100
What does 0.4ppm mean?
0.4/1,000,000
What does 30ppb mean?
30/1,000,000,000
Convert 0.0402% to ppm
402 ppm
____ air can be trapped beneath ____ air due to weather conditions
Cooler, warmer
What is Carbon monoxide CO?
- dangerous few
-binds to the hemoglobin in your blood more than oxygen
-causes dizziness, nauseousness and death
What is Ozone O3?
-dangerous few
-reduces lung function
Causes chest pain, coughing, sneezing and lung congestion
What is Sulfur dioxide SO2?
-dangerous few
-dissolves in moist tissue of lungs to form an acid
-the young, old, and those with emphysema or asthma are most at risk
What is Nitrogen oxides NO^X?
-dangerous few
-Dissolves in moist tissues of lungs to form an acid
-has a characteristic brown color that colors urban smog
What is lead Pb?
-dangerous few
-affects central nervous system, immune system, reproductive and developmental systems, and cardiovascular system
-infants and young children are especially sensitive
What is particulate matter PM?
-dangerous few
-a complex mixture of tiny solid particles and microscopic liquid droplets
-Classified by size rather than composition
-can cause irritation of the lungs and smallest particles can pass into your bloodstream
Mono-
1 atom
Di-
2 atoms
Tri-
3 atoms
Tetra-
4 atoms
Penta-
5 atoms
Name the compound N2O5
Dinitrogen pentoxide
If there is only one atom for the first element in a chemical formula, do you include or exclude the prefix mono-?
Exclude
Write dinitrogen tetraoxide
N2O4
Name SO3
Sulfur trioxide
Air quality in the 0-50 range is ____
Good
Air quality in the 51-100 range is____
Moderate
Air quality in the 101-150 range is____
Unhealthy for sensitive groups
Air quality in the 151-200 range is____
Unhealthy
Air quality in the 201-300 range is____
Very unhealthy
Air quality in the 301-500 range is____
Hazardous
