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Study Resources (Chemistry)

               A latent health effect is manifested when                 an injury, disease, or death that is caused by exposure to a substance develops rapidly and quickly comes to a crisis.                an injury, disease, or death that is caused by exposure to a substance develops slowly over a few days, weeks, or.
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               What is the trade name for a condensation polymer made from m-diaminobenzene and isophthaloyl chloride?                 Nomex                Kevlar                 Endura                Natural rubber                The hazards of response to fires involving rubbers include which of the following?                 As they burn, rubber products vulcanized with sulfur or sulfur-bearing compounds produce carbon monoxide, sulfur dioxide,.
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               Toxic substances, toxicants, or poisons are defined as what?                 Substances that cause death, illness, injury, or incapacitation when they are exposed to the body in relatively small quantities                Ingested substances that cause death, illness, injury, or incapacitation when they are exposed to the body in relatively small quantities                 Inhaled.
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11) Bromine belongs to the ________ group of the periodic table. A) alkali metal B) alkaline earth metal C) halogen D) noble gas 12) Argon belongs to the ________ group of the periodic table. A) alkali metal B) alkaline earth C) halogen D) noble gas 13) Calcium belongs to the ________ group of the periodic table. A) alkali metal B) alkaline.
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               Flammable or explosive range refers to                 Minimum and maximum vapor to air concentrations below and above which a flammable liquid does not burn.                flash point.                 fire point.                autogenous ignition.                What is the definition of flashpoint?                 Liquid gives off sufficient vapor so that continued combustion is maintained                Minimum temperature is attained,.
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               What is the DOT definition of a corrosive material?                 Only a substance that generates hydrogen ions, or H+, when dissolved in water                Liquid or solid that causes full-thickness destruction of human skin at the site of contact within a specified period, or a liquid that chemically reacts with steel.
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               Which two gases make up the majority of the atmosphere of the Earth?                 21% nitrogen, 78% oxygen                21% oxygen, 78% nitrogen                 21% oxygen, 78% carbon dioxide                21% carbon dioxide, 78% carbon monoxide                What is a chemical oxygen generator designed to do?                 Produce oxygen on demand                Add oxygen to chemical.
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               What is the functional group?                 An atom or group of atoms that substitutes for the carbon atom in a hydrocarbon                An atom or group of atoms that substitutes for the hydrogen atom in a hydrocarbon                 An atom or group of atoms that substitutes for the hydrogen atom in a.
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Any substance or mixture of substances intended for preventing, destroying, repelling, or mitigating any pest, or any substance or mixture of substances intended for use as a plant regulator, defoliant, or drying agent is defined as? Insecticide Pesticide Fungicide Herbicide The governmental entity whose aim is to protect employees in the workplace from occupational illnesses.
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               The term becquerel (Bq) represents                 the SI unit used to measure radioactive disintegrations per second. One Bq is equivalent to 1 disintegration per second.                the acronym for radiation-absorbed-dose. It is the amount of radiation absorbed per gram of body tissue.                 the amount of radiation equivalent to the transfer of.
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               Conduction refers to heat transfer by __________?                 materials in contact with the heat source                radiant heat energy                 convection                electromagnetic waves                What is the combined gas law used for?                 To calculate weight of the material                To calculate energy required for a phase change of a specific gas                 To determine ignitability.
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               What is hydrochloric acid used in?                 Certain household cleaning products                To maintain the proper acidity of the water in residential and public swimming pools                 As a processing agent during the production of certain food products such as corn syrup                All of these                How is perchloric acid prepared?                 By distilling.
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               On what is the atomic number of an atom based?                 The number of double bonds                The number of neutrons found in the nucleus                 The number of electrons found in the nucleus                The number of protons found in the nucleus                The mass number of an isotope takes into account all.
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               The fire triangle describes the interaction between                 fuel and heat.                heat and oxygen.                 fuel and oxygen.                All of these                What is a surfactant?                 A chemical catalyst                An inhibitor in chemical chain reactions                 The fourth leg of the fire tetrahedron                A compound capable of increasing the wetting and penetrating ability.
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               What are compounds?                 Materials that undergo chemical change                Materials that can be broken down into two or more simpler substances                 Materials that are superheated                Samples of the same substance that are indistinguishable from each other                What are elements?                 Substances that cannot be decomposed into simpler forms of matter                Materials.
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0.3   Short Answer Questions 1) The difference between the boiling point and freezing point of water is 100°C, which is ________ kelvins. 2) Volume is a derived unit having the dimensions (unit length)x, where x = ________. 3) The quantity 3.00 cm3 is the same as ________ mL. 4) The density of lead is.
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               What are the three most commonly encountered aromatic hydrocarbons?                 Benzene, toluene, and xylene                Gasoline, kerosene, and diesel fuels                 Methane, propane, and pentane                Argon, Halon, and Xenon                Which of the following are true in regards to protecting workers from BTX exposure?                 The maximum benzene vapor concentration has been established at.
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71) An international group of zookeepers with successful breeding programs made the following animal exchanges last year. Using the same bartering system, how many oryxes can a zoo obtain in exchange for 15 flamingos? A) one oryx B) three oryxes C) four oryxes D) five oryxes 72) One year is equivalent to A) 2.91 ×.
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Use the drawings below to answer the following questions.   79) If hitting the bullseye is the desired result, Figure (a) represents A) good accuracy and good precision. B) good accuracy and poor precision. C) poor accuracy and good precision. D) poor accuracy and poor precision. 80) If hitting the bullseye is the desired result, Figure (b).
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               What hazard is associated with acetone?                 It is colorless.                It is water soluble.                 It is a highly volatile liquid.                All of these                What is the product of an organic acid’s reaction to alcohol?                 Esters                Ketones                 Formaldehyde                Acetone                Responders may detect the presence of peroxo-organic compounds by which of the.
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               What is a chemical reaction?                 A type of behavior a substance exhibits when it undergoes a chemical change                The state of matter stays the same                 A change that results in an alteration of the chemical identity of a substance                Only the original substance remains                What is a chemical equation?                .
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               What is the main concern with alkali metals?                 These metals react explosively with acids and bases.                These metals are very heavy.                 These metals react explosively with water and ignite upon exposure to the air.                These metals are not a real hazard.                Binary acids contain which of the following?                 Only.
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0.1   Multiple Choice Questions 1) A consistent explanation of known observations is called A) an experiment. B) a hypothesis. C) a prediction. D) a theory. 2) An interpretation of the results of many tests is called A) an experiment. B) a hypothesis. C) a prediction. D) a theory. 3) The fundamental SI unit of mass is the A) centigram. B) gram. C) kilogram. D) milligram. 4).
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               What is a water-reactive substance?                 A substance that suffers no chemical reaction with water but is likely to become spontaneously flammable, emit flammable or toxic gases, or generate sufficient heat to self-ignite or cause the ignition of nearby combustible materials                A substance that, by its chemical reaction with water,.
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               Ammonium nitrate is used primarily for what applications?                 Fungicide and pest killer                Component of fertilizer and explosives                 In sanitizing water and surfaces                As a major component in the manufacture of some plastics and some rubbers                What are the primary health risks associated with hexavalent-chromium?                 Inhalation of the dust has.
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11) Convert 5.100 × 10-3 to ordinary notation. A) 0.0005100 B) 0.005100 C) 510.0 D) 5100 12) Convert 0.003002 to standard scientific notation. A) 3.002 × 10-3 B) 3002 × 10-6 C) 3.002 × 103 D) 3002 × 106 13) A sailor circumnavigated the earth and covered 4,264,000 meters. Express this number in standard scientific notation. A) 4.264 × 10-7 m B).
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31) All of the following elements are nonmetals except A) antimony. B) carbon. C) hydrogen. D) oxygen. 32) What group of elements does the shaded area in the following periodic table indicate? A) alkali metals B) alkaline earth metals C) inner transition metals D) transition metals 33) 1What group of elements does the shaded area in the following periodic table.
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               What are organic compounds?                 Compounds that contain one or more carbon atoms                Compounds that do not contain carbon atoms                 Compounds that contain one or more oxygen atoms                Compounds that contain one or more Noble gases                What are hydrocarbons?                 Compounds whose molecules are composed of carbon, hydrogen, and benzene rings               .
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1.1   Multiple Choice Questions 1) What is the chemical symbol for tin? A) Sb B) Sn C) Ta D) Ti 2) What is the chemical symbol for manganese? A) Hg B) Mg C) Mn D) Na 3) What is the chemical symbol for platinum? A) P B) Pa C) Pt D) Pu 4) Which element has the chemical symbol, P? A) lead B) phosphorus C) platinum D) potassium 5) Which element.
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61) How many significant figures are there in the answer for the following problem? = ? A) one B) two C) three D) four 62) A propane molecule contains 3 atoms of carbon. The number 3 represents how many significant figures? A) one B) two C) three D) infinite 63) Round off 507,506 to four significant figures. A) 5075 B) 5076 C) 5.075.
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               What is the name given to a material that may be initiated to undergo a very rapid, self-propagating decomposition that results in the formation of more stable substances, the liberation of heat, and the sudden development of pressure?                 Oxidizer                Explosive                 Spontaneously combustible material                Organic peroxide                What is the name.
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               What phenomena are associated with oxidizers?                 Combustion of fuels                Chlorination of water                 Explosion of dynamite                All of these                What is the definition of an oxidizer?                 A material that may enhance or support the combustion of other materials, generally by yielding oxygen                A material that may prevent the combustion of.
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0.2   Algorithmic Questions 1) What symbol is used to represent the factor 10-3? A) M B) m C) μ D) n 2) Without using a calculator, solve the following problem: A) 1 × 102 B) 1 × 108 C) 1 × 1020 D) 1 × 1026 3) Without using a calculator, solve the following problem: A) 1 × 100 B).
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               What is the main chemical function of ionic hydrides in industry?                 Bonding agents                Inhibiting agents                 Reducing agents                None of these                What are ionic borohydrides?                 Ionic hydrides in which metallic ions are separated from borohydride ions (BH4-)                Ionic hydrides in which metallic ions are bonded to borohydride ions (BH4-)                 Ionic.
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               What are thermoplastics?                 Polymers that are not malleable or formable in any manner                Polymers that soften when exposed to heat but then return to their original shape when cooled                 Polymers that solidify or set irreversibly when they are heated                Polymers that spontaneously ignite                What are thermosetting polymers?                 Polymers that.
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               What does cyclonite refer to?                 A commercial name for the explosive whose chemical name is cyclotrimethylene-trinitramine, or hexahydro-1,3,5-tri­nitro-1,3,5-triazine                A commercial explosive whose proper chemical name is N-methyl-N-2,4,6-tetra­nitroaniline                 The active component of the commercial explosive substance whose proper chemical name is pentaerythritol tetranitrate                A secondary high explosive whose proper chemical.
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               What is a chlorination reaction?                 A reaction between chlorine atoms and carbon monoxide                A reaction that produces a violent explosion                 Chlorine atoms are incorporated into a compound in a oxidation reaction                None of these                When chlorine is dissolved in water, what is produced?                 Hypochlorous acid                Hydrofluoric acid                 Carbon monoxide               .
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               How should you approach an “emptied” tank?                 Treat it like a potential flammable or toxic source.                Feel free to cut into it                 As if no hazard exists.                With limited PPE or fire suppression available; after all, it’s empty.                Who has regulatory authority over the features of cylinders in transport?                .
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               What does bulk packaging mean, per DOT?                 A maximum capacity greater than 119 gal (450 L) for a liquid receptacle                A maximum net mass greater than 882 lb (400 kg) for a solid receptacle                 A water capacity greater than 1000 lb (454 kg) as a gas receptacle                All of.
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               A hazardous material is defined by DOT as                 a material that possesses a threat to the health and safety of employees in the work place.                any material considered harmful or extremely harmful to the environment.                 a designated substance or material that has been determined by the Secretary of Transportation.
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               What is weight?                 Air, water, metals, stone, dirt, animals, and plants                A measure of the force with which gravity pulls something toward the Earth’s center                 Attraction to other forms of matter                A physical state                What is mass?                 Air, water, metals, stone, dirt, animals, and plants                A measure of the.
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