Set: Enviromental Chemistry Final Exam

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All 119 Terms

Term Definition
Independent Variable factors that don't change
Dependent Variable factors that depend on the independent variable
6 Steps of the Scientific Method Problem, Hypothesis, Experiment, Data, Analyze, Conclusion
Convert 50 cm to meters 0.5 meters
Convert 223 m to km 0.0223 km
Meniscus Bottom of the curve of a liquid.
All Parts of the Water Cycle Ground water, runoff, evaporation, condensation, transpiration, precipitation
Aquifer Structure of porous rock, sand, or gravel that holds water beneath the surface of Earth.
Filtrate Liquid collected after filtration.
Filtration Separation of solid particles from a liquid by passing the mixture through a material that retains the solid particles.
Ground Water Water that collects underground.
Surface Water Water on the surface of Earth.
Adsorb Take up or hold molecules or particles to the surface of a material.
Element Fundamental chemical substance from which all other substances are made.
Solvent Dissolving agent in a solution, usually the component present in the larger quantity.
Solute Dissolved substance in a solution, usually the component present in the smaller quantity.
Compound Substance composed of 2 or more elements in fixed proportions that cannot be broken down into simpler substances by physical means.
Molecule Smallest particle of a substance retaining the properties of the substance.
Proton Particle possessing positive electrical charge; found in the nucleus of all atoms.
Neutron Particle possessing no electrical charge; found within the nucleus of most atoms.
Electron Particle possessing negative electrical charge; found within atoms.
Elements in NH Nitrogen and Hydrogen
Elements in HSO Hydrogen, Sulfur, and Oxygen
Homogeneous A solution that is uniform throughout.
Heterogeneous A solution that isn't uniform throughout.
Solution Homogeneous mixture of 2 or more substances.
Suspension Mixture containing large, dispersed solid particles that can settle out or be separated by filtration.
Colloid Mixture containing solid particles that are small enough to remain suspended.
Chemical Property A property that can only be observed or measured by changing the chemical identity of the sample of matter.
Physical Properties of Water boiling point, freezing point, density, surface tention
Solubility Quantity of a substance that will dissolve in a given quantity of solvent to form a saturated solution.
Solution Concentration Quantity of solute dissolved in a specific quantity of solvent or solution.
Saturated solution in which solvent holds as much solute as it normally can at that tempurature
Unsaturated solution holds less solute than it normally can
Supersaturated solution holds more solute than it normally can
Heavy Metal Ion atom that is heavier and dissolves in water as ions
Turbidity cloudiness
Chemical Properties chemical change undergone by substance
Physical Properties can be observed or measured w/o changing the identity of a sample
Brittle shatters into pieces when struck
Malleable flattens without shattering when struck
Periods Horizontal rows on the periodic table organized by atomic mass
Groups Vertical columns on the periodic table organized by chemical properties
conductor material that allows electricity or heat to flow through it
Metals Shiny, reactive, conductors, malleable
Nonmetals Dull, not very reactive, brittle
Metalloids Has properties of both metals and nonmetals
Alkane hydrocarbon containing only single covalent bonds
Hydrocarbon molecular compound only of carbon and hydrogen
Viscosity resistance to flow
Distillation method of separating liquid substances based on differences in their boiling points
Organic chemistry branch of chemistry dealing with hydrocarbons and their derivatives
refined to purify
endothermic process requiring the addition of energy
exothermic process involving the release of energy
What are the two major roles of petroleum? to burn and to build
potential energy stored energy
kinetic energy energy in motion
barometer device that measures atmospheric pressure
base units metric unit that expresses a fundamental physical quantity such as length or mass
derived units metric unit formed by mathematically combining two or more base units
heat capacity quantity of heat needed to raise the temperature of mass by one degree celcius
List the 5 influences of Climate Solar radiation interaction, Earth's rotation, Earth's revolution, Earth's tilt on axis, different thermal properties of materials on Earth's surface
acid rain fog, sleet, snow, or rain having a pH lower than 5.6
Acid pH 0-6
Base pH 8-14
Neutral pH 7
Accuracy correct
Precision consistant
Formula name for Fe+3 and S-2 Iron (III)Sulfide
Formula name for Cu+2 and Br-1 Copper(I)Bromide
Percent concentration of 16g of salt in 1234g of water 1.28%
Percent concentration of 54g of sugar in 538g of water 9.12%
Molar mass of CaCO3 100.09 moles
Molar mass of C6 H12 O6 180.06 moles
Balance Ca(OH)2 + HCl ---> CaCl2 + H2O Ca(OH)2 + 2HCl ---> CaCl2 + 2H2O
Balance KClO3 ---> KCl + O2 2KClO3 ---> 2KCl + 3 O2
C Carbon
Na Sodium
Ba Barium
N Nitrogen
Pb Lead
K Potassium
F Flurorine
Ni Nickel
H Hydrogen
Ca Calcium
B Boron
Au Gold
P Phosphorus
Li Lithium
Mn Manganese
S Sulfur
Ag Silver
O Oxygen
Br Bromine
Fe Iron
Al Aluminum
I Iodine
Cl Chlorine
Hg Mercury
Mg Magnesium
SI unit for Mass kilogram
SI unit for Length meter
SI unit for Time second
SI unit for Amount of a Substance mole
SI unit for Electric Current ampere
SI unit for Temperature kelvin
Properties of Gaseous Fractions Low boiling point, hydrocarbons have only 1-4 carbon atoms, weak intermolecular forces
Properties of Liquid Fractions 5-20 carbon atoms, average intermolecular forces
Properties of Solid Fractions >20 carbon atoms, do not vaporize at all, sticky, thick, strongest intermolecular forces
Mg+2 , Br-1 MgBr2
B+3 , O-2 B2O3
Assume your car travels 250 miles per week and gets 25 miles to the gallon. How many miles does your car travel in a year? 13,000 gallons per year
Assume your car travels 250 miles per week and gets 25 miles to the gallon. How many gallons are burned per year? 520 gallons per year
Assume your car travels 250 miles per week and gets 25 miles to the gallon. If gas costs $3.45 per gallon, how much do you spend on gas per week? $34.50
Assume your car travels 250 miles per week and gets 25 miles to the gallon. How many miles does your car travel in a year? 13,000 gallons per year
Assume your car travels 250 miles per week and gets 25 miles to the gallon. How many gallons are burned per year? 520 gallons per year
Assume your car travels 250 miles per week and gets 25 miles to the gallon. If gas costs $3.45 per gallon, how much do you spend on gas per week? $34.50

Set Information

Terms 119
Creator girlwithgoat
Created May 18, 2008
Groups The Sixlets, Springfield's C.H.S. M.Y.S.P., sixlets, MYSP-ers, Text Bunny! (='.'=)
Tags bryant, mysp, final
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Study guide for extremely hard environmental chemistry final exam! I need help finishing it. Edit it. Don't make another one.

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Rayne : Awesome! Thank you loads for this!
Rayne : I had forgotten what the 6 Scientific Method steps were :oops: , so this was helpful! In return I added some definitions.
girlwithgoat : thanks
girlwithgoat : Changed 3 Physical Properties of Water → boiling point, freezing point, density, surface tention to Physical Properties of Water → boiling point, freezing point, density, surface tention
Last Message: 1 month ago

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Most Missed Words

  1. Independent Variable → factors that don't change - 2 misses
  2. 6 Steps of the Scientific Method → Problem, Hypothesis, Experiment, Data, Analyze, Conclusion - 2 misses
  3. Convert 50 cm to meters → 0.5 meters - 2 misses
  4. Convert 223 m to km → 0.0223 km - 2 misses
  5. Adsorb → Take up or hold molecules or particles to the surface of a material. - 2 misses
  6. Molecule → Smallest particle of a substance retaining the properties of the substance. - 2 misses
  7. Elements in NH → Nitrogen and Hydrogen - 2 misses