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Study sets matching "environmental chem"

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Study sets matching "environmental chem"

87 terms
Environmental Chemistry
Nitrogen Fixation
Nitrogen Cycle
Water Cycle
Pollution
Process by which certain bacteria convert nitrogen gas to amm…
The transfer of nitrogen from the atmosphere to the soil, to…
The continuous process by which water moves from Earth's surf…
Release of harmful materials into the environment
Nitrogen Fixation
Process by which certain bacteria convert nitrogen gas to amm…
Nitrogen Cycle
The transfer of nitrogen from the atmosphere to the soil, to…
16 terms
Environmental Chemistry
The pH scale
The limitations of the pH scale
pH =
pOH=
ranges from 0-14 and measures how acidic or basic a solution is
is that it is only suitable for dilute aqueous solutions
-log₁₀ H⁺ where is concentration in mols/L
-log₁₀ OH⁻= where is concentration in mols/L
The pH scale
ranges from 0-14 and measures how acidic or basic a solution is
The limitations of the pH scale
is that it is only suitable for dilute aqueous solutions
67 terms
Environmental Chemistry
Elements
Nitrogen Fixation
Pollution
Issue
pure substances that cannot be broken down anymore
process of changing free nitrogen... so that the nitrogen atoms…
any change in the environment that produces a condition that…
any subject of importance about which people have strong, con…
Elements
pure substances that cannot be broken down anymore
Nitrogen Fixation
process of changing free nitrogen... so that the nitrogen atoms…
13 terms
Environmental Chemistry
Greenhouse Gases
Greenhouse Effect
Ozone Layer
Global Warming
the heat-trapping gases are called greenhouse gases. The most…
The greenhouse effect is a warming of Earth's surface and the…
A region of the upper atmosphere, between about 15 and 30 kil…
Global warming is the rise in temperature of the earth's atmo…
Greenhouse Gases
the heat-trapping gases are called greenhouse gases. The most…
Greenhouse Effect
The greenhouse effect is a warming of Earth's surface and the…
78 terms
Environmental Chemistry
Substrate
nutrient
nitrogen cycle
nitrogen fixation
material on which an organism moves or lives
Substances in food that your body needs to grow, to repair it…
The transfer of nitrogen from the atmosphere to the soil, to…
Process of converting nitrogen gas into nitrogen compounds th…
Substrate
material on which an organism moves or lives
nutrient
Substances in food that your body needs to grow, to repair it…
100 terms
Environmental Chemistry
CCL2F2
CH3CH(CH3)CH3
CF4
CHClF2
Chloroflourocarbon... Not Flammable... Not Toxic... Has 2 C-Cl bonds t…
Alkane... Flammable... Highly Toxic... Not Destructive in the Ozone la…
only C-F bonds... much more stable... not flammable... not toxic
one C-Cl bond... less stable in the lower atmosphere... usually bre…
CCL2F2
Chloroflourocarbon... Not Flammable... Not Toxic... Has 2 C-Cl bonds t…
CH3CH(CH3)CH3
Alkane... Flammable... Highly Toxic... Not Destructive in the Ozone la…
30 terms
Environmental Chemistry
acid rain
biodegradable plastics
carbon cycle
catalytic converter
rain which has been made more acidic than normal by the prese…
plastics which are designed... to be decomposed by bacteria
the system by which carbon and... its compounds in the air, ocea…
a device for converting polluting... exhaust gases from cars int…
acid rain
rain which has been made more acidic than normal by the prese…
biodegradable plastics
plastics which are designed... to be decomposed by bacteria
42 terms
Environmental Chemistry Section 1
Nitrogen Fixation
Nitrogen Cycle
Water Cycle
Pollution
Process by which certain bacteria convert nitrogen gas to amm…
The transfer of nitrogen from the atmosphere to the soil, to…
The continuous process by which water moves from Earth's surf…
Release of harmful materials into the environment
Nitrogen Fixation
Process by which certain bacteria convert nitrogen gas to amm…
Nitrogen Cycle
The transfer of nitrogen from the atmosphere to the soil, to…
10 terms
Environmental chemistry
Lye
Trace
Triglycerides
Exothermic reaction
Use for washing and clean
Thickening of soap
Molecules fats and oils
Chemical reaction that reales energy
Lye
Use for washing and clean
Trace
Thickening of soap
17 terms
Environmental Chemistry
Organic Nutrient
Inorganic nutrient
Carbohydrates
Protein
The presence of carbon
The absence of carbon.
are the sugars, starches and fibers
a substance found in foods that are an important part of the…
Organic Nutrient
The presence of carbon
Inorganic nutrient
The absence of carbon.
21 terms
Environmental Chemistry
organic compound
Macro Nutrient
Lipid
Protein
Living or once living organism containing Carbon
Nutrients your body needs large amounts of
Energy-rich organic compounds, such as fats, oils, and waxes,…
An organic compound that is made of one or more chains of ami…
organic compound
Living or once living organism containing Carbon
Macro Nutrient
Nutrients your body needs large amounts of
67 terms
Environmental Chemistry
Elements
Nitrogen Fixation
Pollution
Issue
pure substances that cannot be broken down anymore
process of changing free nitrogen... so that the nitrogen atoms…
any change in the environment that produces a condition that…
any subject of importance about which people have strong, con…
Elements
pure substances that cannot be broken down anymore
Nitrogen Fixation
process of changing free nitrogen... so that the nitrogen atoms…
22 terms
Environmental Chemistry
Protein
Carbohydrates
Inorganic Nutrient
Organic Nutrient
Helps your mussels grow.
Starch that can be converted into sugar.
A nutrient that comes from some thing not alive like a minera…
Contain at least some combination of carbon AND hydrogen atom
Protein
Helps your mussels grow.
Carbohydrates
Starch that can be converted into sugar.
62 terms
Environmental Chemistry
Crude Oil
Greenhouse Effect
Greenhouse Gases
Enhanced Greenhouse Effect
composed of hundreds of different molecules
The trapping of the sun's warmth, which heats up the earth. I…
gases that trap the sun's energy in the atmosphere. (like car…
trapping of the sun's energy, made greater by human activitie…
Crude Oil
composed of hundreds of different molecules
Greenhouse Effect
The trapping of the sun's warmth, which heats up the earth. I…
35 terms
Environmental Chemistry
Atmospheric Chemistry
climatology
Climatology considers
Why is the composition and chemistry o…
A branch of atmospheric science in which the chemistry of the…
the study of atmospheric changes both short and long term tha…
the past and can help predict future climate change. It also…
for several reasons, but primarily because of the interaction…
Atmospheric Chemistry
A branch of atmospheric science in which the chemistry of the…
climatology
the study of atmospheric changes both short and long term tha…
45 terms
Environmental Chemistry
Organic
Inorganic
Nutrients
Macronutrients
Compounds that contain carbon
Compounds that don't contain carbon
Elements + Compounds; things needed for living, growing and r…
Large amounts of nutrients (C, H, O, N, P, K, Mg, Ca, S)
Organic
Compounds that contain carbon
Inorganic
Compounds that don't contain carbon
60 terms
Environmental Chemistry
Elements
Nitrogen Fixation
Pollution
Fertilizer
pure substances that cannot be broken down into other substan…
process of changing free nitrogen so that the nitrogen atoms…
Any change in the environment that produces a condition that…
substance that enriches soil so that the plants will grow bet…
Elements
pure substances that cannot be broken down into other substan…
Nitrogen Fixation
process of changing free nitrogen so that the nitrogen atoms…
10 terms
Environmental Chemistry
Raw Material
Man-made Material
Sedimentary Rock
Metamorphic Rock
A natural material that is unprocessed e.g. clay and crude oil
A raw material that has been processed to form a new substanc…
Eroded rock is transported and deposited in the ocean. The se…
Sedimentary rock is compressed under very high temperatures a…
Raw Material
A natural material that is unprocessed e.g. clay and crude oil
Man-made Material
A raw material that has been processed to form a new substanc…
47 terms
Environmental Chemistry
nitrogen fixation
free nitrogen
fertilizer
fossil fuels
when free nitrogen is bound to other elements such as oxygen…
diatomic nitrogen that has been split into two molecules by b…
substance that enriches soil so that plants will grow better
combustible substances formed from dead plants and animals
nitrogen fixation
when free nitrogen is bound to other elements such as oxygen…
free nitrogen
diatomic nitrogen that has been split into two molecules by b…
26 terms
Environmental Chemistry
Enviromental Chemistry
Hydrogen Bonding
Water Temperature
Water
Is a broad name that covers the whole spectrum of chemistry a…
• Water has an unusually high... melting point and boiling point…
• Heat energy is absorbed during... melting and vaporisation.... •…
Covers 70% of the Earth's surface, of this:... - 97% is seawater…
Enviromental Chemistry
Is a broad name that covers the whole spectrum of chemistry a…
Hydrogen Bonding
• Water has an unusually high... melting point and boiling point…
63 terms
Environmental Chemistry
Macro vs. Micro Nutrients *
What nutrients does fertilizer contain?
What Are The 2 Inorganic Minerals and…
What are the 4 Organic Nutrients and t…
-Macro Nutrients are used in large amounts to maintain living…
-Nitrogen ... -Phosphorus ... -Potassium
-Calcium ~ Bones, Teeth, Muscles, Nerves ~ Early Growth... -Iro…
- Carbs ~ Energy... - Lipids ~ Energy storage, Skin... - Proteins ~…
Macro vs. Micro Nutrients *
-Macro Nutrients are used in large amounts to maintain living…
What nutrients does fertilizer contain?
-Nitrogen ... -Phosphorus ... -Potassium
12 terms
Environmental Chemistry
What is the Haber Bosch reaction?
What is true about the concentration o…
What happened in Flint?
What happens to a rxn if there is high…
All the concentrations are the same rate.
1) Temperature had an effect on PB release, b/c temp increase…
more screening, less product is formed.
What is the Haber Bosch reaction?
What is true about the concentration o…
All the concentrations are the same rate.
26 terms
Environmental Chemistry
Steps of purifying water
3 Disinfection Techniques
2 Chemical Disinfection methods
2 things life straws use to clean water
Aeration... Settling... Hardness Removal... Disinfection
Membrane... UV... Chemical
Ozone... Chlorine
iodine... charcoal
Steps of purifying water
Aeration... Settling... Hardness Removal... Disinfection
3 Disinfection Techniques
Membrane... UV... Chemical
31 terms
Environmental Chemistry
Nitrogen Oxides and Sulfur Dioxides Af…
Particulates: Effect on Health and Met…
Sources of VOC
Effects of VOC on human health
Respiratory Irritant leading to tract infections
Affects respiratory system and can cause lung disease
Natural: Plants emit unsaturated hydrocarbons called terpenes…
carcinogenic and can form toxic secondary pollutants
Nitrogen Oxides and Sulfur Dioxides Af…
Respiratory Irritant leading to tract infections
Particulates: Effect on Health and Met…
Affects respiratory system and can cause lung disease
10 terms
Environmental Chemistry
Reactants and products in combustion
what does the fire triangle show
A word and symbol equation for combust…
What percentage of gases are found in…
Reactants~ Oxygen... Products~ Carbon dioxide+water
The fire Triangle shows all the elements needed to make a fire.
methane + oxygen → water + carbon dioxide... CH4 + 2O2 → 2H2O +…
78% Nitrogen 0.04% carbon dioxide... 21% oxygen 0.001%hydrogen... 1…
Reactants and products in combustion
Reactants~ Oxygen... Products~ Carbon dioxide+water
what does the fire triangle show
The fire Triangle shows all the elements needed to make a fire.
67 terms
environmental chemistry
environment
environmental science
environment is split into _______ and…
abiotic factors
broadly refers to everything surrounding us... everything that i…
the science of leaning how to live on this planet without dam…
abiotic, biotic
nonliving factors... A) chemical facrots (oxygen, nitrogen, wate…
environment
broadly refers to everything surrounding us... everything that i…
environmental science
the science of leaning how to live on this planet without dam…
12 terms
Environmental: Chemistry
seawater
salinity
precipitation
sodium
water that has a variety of gases and liquids dissolved into it
what the total amount of dissolved material is called. in mos…
when it rains
a type a salt in saltwater
seawater
water that has a variety of gases and liquids dissolved into it
salinity
what the total amount of dissolved material is called. in mos…
15 terms
Environmental Science Chemistry II
nuclear fusion
hydrogen bomb
valence electrons
periodic law
A nuclear reaction in which atomic nuclei of low atomic numbe…
a thermonuclear weapon that gets its power from splitting a h…
Electrons in the outermost energy level of an atom that are t…
When elements are arranged in order of increasing atomic numb…
nuclear fusion
A nuclear reaction in which atomic nuclei of low atomic numbe…
hydrogen bomb
a thermonuclear weapon that gets its power from splitting a h…
30 terms
Environmental Chemistry
Organic nutrients
Inorganic nutrients
carbohydrates
proteins
contain carbon (carbs, proteins, lipids)
do not contain carbon such as minerals and water
main source of energy for the body. Found in grains, rice, an…
nutrients that help build and repair body cells and tissues.…
Organic nutrients
contain carbon (carbs, proteins, lipids)
Inorganic nutrients
do not contain carbon such as minerals and water
25 terms
Environmental Chemistry
nutrient
air pollutants
cation-exchange capacity (CEC)
acid deposition
substances plants need for growth
NO (NOx), CO, VOCs/particulates, CO2
...
any process in which acidic substances (particles, gases and…
nutrient
substances plants need for growth
air pollutants
NO (NOx), CO, VOCs/particulates, CO2
75 terms
Environmental Chemistry
pollutants
examples of pollutants
toxicity
primary pollutants
harmful substances to the environment
carbon dixoide, carbon monoxide, sulfur dioxide, nitrogen mon…
time spent in the environment before becoming harmful
pollutants that are directly emitted
pollutants
harmful substances to the environment
examples of pollutants
carbon dixoide, carbon monoxide, sulfur dioxide, nitrogen mon…
36 terms
Environmental Chemistry
What is ozone?
What are allotropes?
What are resonance structures?
Where is ozone found?
-O3... (3 atoms in its molecule)... -rare... -colorless toxic gas... -pu…
Two or more forms of the same chemical element, but differ in…
Occurs when there is more than one plausible structure. The a…
The stratosphere
What is ozone?
-O3... (3 atoms in its molecule)... -rare... -colorless toxic gas... -pu…
What are allotropes?
Two or more forms of the same chemical element, but differ in…
43 terms
Environmental Chemistry
Outline the source of carbon monoxide
Outline the source of oxides of nitrogen
Outline the source of SO2
Outline the source of particulates
Anthropogenic: Incomplete combustion of fossil fuels... Natural:…
Anthropogenic: Reaction of N2 and O2 in the internal combusti…
Anthropogenic: burning of coal... Natural: Volcanic activity
Anthropogenic: Soot from incomplete combustion of wood... Natura…
Outline the source of carbon monoxide
Anthropogenic: Incomplete combustion of fossil fuels... Natural:…
Outline the source of oxides of nitrogen
Anthropogenic: Reaction of N2 and O2 in the internal combusti…
47 terms
Environmental Chemistry
How would you test for water using cob…
What reactions are involved with the p…
Describe how carbon monoxide is made
Describe how sulfur dioxide is made
Cobalt chloride paper is used and if it turns from blue to pi…
1) sulphur is burned in air ... S + O2 --> SO2... 2) Sulphur diox…
Incomplete combustion of fuel
Hydrocarbon fuels
How would you test for water using cob…
Cobalt chloride paper is used and if it turns from blue to pi…
What reactions are involved with the p…
1) sulphur is burned in air ... S + O2 --> SO2... 2) Sulphur diox…
13 terms
Chemistry environmental
Word equation for combustion
Symbol equation for cumbustion
What's the test for carbon dioxide
Whys the test for water
Fuel + oxygen = carbon dioxide + water
CH + O2 = CO2 + H2O
Limewater that turns cloudy
Anhydrous copper sulphate turns from white to blue
Word equation for combustion
Fuel + oxygen = carbon dioxide + water
Symbol equation for cumbustion
CH + O2 = CO2 + H2O
10 terms
PDST Chemistry - Environmental Chemistry (Water)
Hard Water
Total Hardness
Flocculant
Biochemical Oxygen Demand (BOD)
Water that will not easily form a lather with soap. Caused by…
= temporary hardness + permanent hardness
A chemical added to water to coagulate suspended particles
The amount of dissolved oxygen consumed by a biological actio…
Hard Water
Water that will not easily form a lather with soap. Caused by…
Total Hardness
= temporary hardness + permanent hardness
10 terms
Environmental Chemistry
How are the oxides of nitrogen formed?
What is the equation for combustion of…
How is sulfur dioxide formed?
What is the equation for combustion of…
Combustion of nitrogen to form nitrogen oxide
N₂ + O₂ → 2NO
Combustion of fossil fuels
S + O₂ → SO₂
How are the oxides of nitrogen formed?
Combustion of nitrogen to form nitrogen oxide
What is the equation for combustion of…
N₂ + O₂ → 2NO
19 terms
Environmental Chemistry
mass
volume
density
sublimation and example
The amount matter an object contains
How much space matter takes up
mass/volume
Transitioning from a solid to gas; dry ice
mass
The amount matter an object contains
volume
How much space matter takes up
28 terms
Environmental chemistry
Vitamin
Carbohydrate
Protein
Lipid
A molecule that helps the enzymes in the body
Organic nutrient made of carbon, oxygen, hydrogen.
Organic nutrient composed of a chain of amino acids
Organic nutrient that doesn't dissolve in water
Vitamin
A molecule that helps the enzymes in the body
Carbohydrate
Organic nutrient made of carbon, oxygen, hydrogen.
32 terms
Environmental Chemistry
Non-Living Spheres of Earth
Igneous Rocks
Sedimentary Rocks
Metamorphic Rocks
Geosphere, Hydrosphere, Lithosphere
Produced by the heat of the Earth. Formed from solidification…
Formed from the accumulation of sediments. Ex: Limestone, Sha…
Modified by extreme heat, pressure, and chemical change deep…
Non-Living Spheres of Earth
Geosphere, Hydrosphere, Lithosphere
Igneous Rocks
Produced by the heat of the Earth. Formed from solidification…
33 terms
Environmental Chemistry
organic
inorganic
carbonhydrate
lipid
Carbon-containing
Does not contain carbon
a biomolecule composed of carbon, hydrogen, and oxygen with a…
Energy-rich organic compounds, such as fats, oils, and waxes,…
organic
Carbon-containing
inorganic
Does not contain carbon
13 terms
Environmental Chemistry
Environmental Composition
Species Distribution
Chemical Processes
Anthropogenic Effects
where is compound found and measuring concentrations that are…
most species exist in more than one form, description of spec…
fluxes, cycles, residence times
the effects of human activities on natural processes, may be…
Environmental Composition
where is compound found and measuring concentrations that are…
Species Distribution
most species exist in more than one form, description of spec…
19 terms
Environmental Chemistry
Pollution
Fertilizer
Pesticides
Sewage
any change in the environment that produces a condition that…
substance that enriches soil so that plants will grow better.
chemicals used to kill pests.
wastewater containing dissolved and undissolved materials fro…
Pollution
any change in the environment that produces a condition that…
Fertilizer
substance that enriches soil so that plants will grow better.
21 terms
Environmental chemistry
Pollution
pH of an acid
pH of a base
pH of 7 means
Any change in the environment that produces a condition that…
Lower than 7
Higher then 7
The substance is neutral it's neither an acid nor a base
Pollution
Any change in the environment that produces a condition that…
pH of an acid
Lower than 7
9 terms
Environmental Chemistry
Aerobic Decay
Anaerobic Decay
Photosynthesis
Aerobic Respiration
- Requiring molecular oxygen... - Each of the product molecules…
- The microbial decomposition of the complex organic compound…
- A photochemical process by which green plants convert carbo…
- The process by which many plants and animals derive energy…
Aerobic Decay
- Requiring molecular oxygen... - Each of the product molecules…
Anaerobic Decay
- The microbial decomposition of the complex organic compound…
30 terms
Environmental Chemistry
CFC
LD50
TD50
Point Sources
any of a class of compounds of carbon, hydrogen, chlorine, an…
the dose of a chemical that will kill 50% of the of the popul…
amount of chemical needed to cause an effect 50% will suffer…
a specific location where pollution originates
CFC
any of a class of compounds of carbon, hydrogen, chlorine, an…
LD50
the dose of a chemical that will kill 50% of the of the popul…
Environmental Chemistry
Organic
inorganic
Carbohydrate
Lipid
No use of pesticides or herbicides
pesticides and herbicides is used
A Nutrient our body need to make blood sugar (Glucose)
naturally occurring molecules that include fats, waxes, stero…
Organic
No use of pesticides or herbicides
inorganic
pesticides and herbicides is used
27 terms
Environmental Chemistry
Nutrients
Parts per million
Biomagnification
Green house gases
Every plant and animal on Earth is made from nutrients that h…
An amount of a substance dissolved in another.
Increase in concentration of a chemical or element as it move…
The atmosphere gases that trap heat that forms when radiant e…
Nutrients
Every plant and animal on Earth is made from nutrients that h…
Parts per million
An amount of a substance dissolved in another.
34 terms
Environmental Chemistry
Elements
Nitrogen fixation
Pollution
Fertilizer
Substances that can't be broken down into other substances
Free nitrogen in the air being changed so it can be used to f…
Any change in the environment that produces a condition harmf…
Substance that enriches soil to enhance plant growth quality
Elements
Substances that can't be broken down into other substances
Nitrogen fixation
Free nitrogen in the air being changed so it can be used to f…
10 terms
Environmental chemistry
Dispersion
Diffusion
Osmosis
Bioaccumulation
Scattering of a substance away from its spirce
Process in which molecules movie from an area of higher conce…
A type of diffusion in which water molecules movie from an ar…
Refers to when an organisms takes in chemicals like pesticides
Dispersion
Scattering of a substance away from its spirce
Diffusion
Process in which molecules movie from an area of higher conce…
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