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