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| what is the expanded form of 1X 10-5 |
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| nanotechnology is the development of tiny devices in the range of |
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| pure solids composed of discolored atomic substances |
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| emulsions are colloids in which both components are |
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| another term for a homogeneous mixture |
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| substance added to iron as a component of steel |
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| if a ring is 75% gold by mass, the ring would be labeled as: |
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| density is less than water |
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| ice floats on water becasue |
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| the dissolving of sugar crystals in water to produce a solution is a |
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| person detects the odor of perfume because it |
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| which is the most volatile? |
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| which place on earth would the boiling point of water be the lowest? |
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| the products of a burning candle are: |
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| number and type of atoms are equal on both sides and sum of charges are identical |
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| What is a true statement for equal chemical equations |
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| the main cause of measurable amounts of CO from automobile engines |
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| important element that is the focus of fertilizers production |
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| electrons are held within the volume of an atom by: |
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| what number of electrons in the last shell is required to have a stable atom that is unreactive |
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| alkanes have the general formula: |
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| which letter before an alkane designates a straight chain hydrocarbon? |
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| what two gases, when mixed, helps to prevent a deep sea diver from experiencing "the bends"? |
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| six electrons in the last shell |
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| what makes a true Group VI element? |
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| bonds and nonbonding electrons |
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| lewis structures are diagrams that represent |
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| the relative ability of an atam to attract electrons in bonds to itself |
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| which metal ion is linked to high blood pressure? |
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| which fuel has the greatest caloric output per volume of gas? |
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| alkenes have the general formula |
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| all the bond angles of ethene are: |
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| benzene is harmful to human beings because it |
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| gasoline used in motor vehicles is |
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| fuels that contain the following have the best burning characteristics |
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| greater the fewer carbons in the compound |
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| in general, the vapor pressure of an alkane hydrocarbon is |
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| example of an aromatic molecule: |
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| carbon, chlorine, and fluorine |
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| halon is banned in developed countries and was used as |
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| a material that an be molded |
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| polymer used in plastic milk containers |
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| plastic that when heated softens but does not compose |
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| small molecule that successively combines to form parts of a long chain |
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| polystyrene's recycle number |
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| neither perspiration nor water drops can pass through the material |
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| gore-tex clothing is effective because |
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| alternating single and double bonds |
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| polymers which conduct electricity have this molecular structure |
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| adding molten sulfur to rubber helps to retain its resilence |
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| most commonly recycled polymer |
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| PAHs in the form of Benzo[a] pyrene, a human carcinogen, is produced from incomplete combustion of: |
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| because of its structure, graphite makes an excellent |
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| Ethers are organic compounds that have the general structure: |
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| what is not a detrimental effect of drinking too much alcohol? |
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| equal to twice the % of alcohol |
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| proof value of drinking alcohol is |
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| the -OH portion of an alcohol molecule is |
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| alcohols with a multiple -OH group can be identified as |
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| diluted form of acetic acid |
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| lactic, malic, and tararic |
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| examples of alpha hydroxy acid |
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| dispersion of water soluble chemical constituents in natural rubber |
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| responsible for the earthy aroma of freshly dug soil |
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| poor absorption of calcium results from low levels of |
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| sweetest of all monosacchrides |
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| insulin assists in the metabolism of |
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| molasses is used in cooking and production of |
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| 6 C atoms and 6 -OH atoms |
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| what structure gives "sugarless" gum its sweetness |
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| absence of specific enzymes for hydrolysis |
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| difficulty of digesting lactose is caused by |
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| putting it in the refrigerator |
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| bread can become stale by |
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| unbranched glucose polymers |
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| what has the highest energy content per gram |
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| general formula RCOOH represents |
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| Fatty acids that are unsaturated |
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| fats that are liquids at room temperature are called |
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| one of the most obvious characteristics of amines |
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| a benzyne ring with a nitrogen atom substituting for one carbon |
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| formation of the double helix 2 structure of DNA is due to |
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| bond between amino acids in proteins |
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| composed and the nitrogen is excreted in urine |
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| any excess amino acids not required for protein synthesis are |
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| amino acid which is the source of umami |
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| serves as the template for protein synthesis in the extranulear region of a living cell |
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| carries single amino acids to the ribosome during protein synthesis |
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| phenylalanine to tyrosine |
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| in PKU disease, an enzymme is lacking which converts |
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| biologically important to monosaccharides |
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| richest source of thiamine |
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| thiamine is what vitamin? |
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| What vitamin is water soluble? |
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| vitamin helps in blood clotting |
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| vitamin deficiency that can cause scurvy |
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| vitamin that is an antioxident |
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| additive to preserve food |
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| they have a very low LD50 |
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| PCBs are very common industrial organochlorine chemicals and have been a problem in our environment because _______ |
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| An important organophosphate insecticide is “malathion” because _______ |
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| Currently, which is the greatest source of anthropogenic dioxins in the environment? |
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| Which of the following is most toxic to human beings? |
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