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Study Resources (Chemistry)

41) Which of the following pairs of compounds are structural isomers? A) B) C) D) E) 42) Which of the following pairs of formulas represent structural isomers? A) B) C) D) E) 43) A cycloalkane A) has two fewer carbon atoms than the corresponding alkane. B) has two fewer hydrogen atoms than the corresponding alkane. C) contains  -CH3 groups joined.
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12.1   Multiple-Choice Questions 1) A hydrocarbon with a double bond is a(n) A) alkane. B) alkene. C) alkyne. D) alcohol. E) saturated compound. 2) The carbon atoms in saturated hydrocarbons A) have only single bonds. B) contain at least one double bond. C) contain at least one triple bond. D) contain a benzene ring. E) contain both a double and a triple.
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8.3   Short Answer Questions 1) A substance that carries an electric current when dissolved in water is called a(n) __________. 2) A substance that produces only a small number of ions in solution is known as a __________ electrolyte. 3) A solution of sodium carbonate, Na2CO3, that has a molarity of 0.0100 M.
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10.3   True/False Questions 1) HCl is hydrochlorous acid. 2) The conjugate base of HCl is Cl-. 3) HCl is a strong acid. 4) In any water solution, [H3O+] [OH-]= 1.0 × 10-7. 5) The pH of 0.001 M HCl is 12.0. 6) A solution with a pH of 4.0 is more acidic than a solution with.
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9.1   Multiple Choice Questions 1) A catalyst is A) a reactant in a chemical reaction. B) a product in a chemical reaction. C) a substance that speeds up a reaction without being consumed in the reaction. D) a substance that increases the energy of the products. E) a substance that decreases the energy of the products. 2).
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41) Long-chain molecules that consist of many repeating units are called A) polymers. B) monomers. C) organic compounds. D) alkenes. E) alkanes. 42) Small molecules that make up the repeat unit in polymers are called A) monomers. B) alkenes. C) alkynes. D) minipolymers. E) synthetic polymers. 43) The synthetic polymer polyethylene is unreactive because it is A)  unsaturated. B) a haloalkane. C)  saturated. D) a cycloalkene. E).
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8.4   Matching Questions Identify the term defined in each description. A) hypotonic B) unsaturated C) hydrogen bonding D) saturated E) hypertonic 1) a solution that contains the highest amount of solute that dissolves at a given temperature 2) the major attraction between water molecules 3) the association of several water molecules with ions produced in a solution 4) a solution.
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11.2   True/False Questions 1) Organic chemistry is the study of the chemistry of carbon compounds. 2) There are millions of organic compounds. 3) Carbon has six valence electrons. 4) Methane has a tetrahedral structure. 5) The bond angles in a tetrahedral molecule are 90°. 6) Organic compounds are always highly water soluble. 7) Most organic compounds are.
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31) What is the name for a ten-carbon continuous-chain alkane? A) hexane B) heptane C) octane D) nonane E) decane 32) The IUPAC name for CH3 -Cl is A) methyl chloride B) chloromethane. C) methanechlorine. D) chloroethane. E) methane chloride. 33) Which of the following pairs of compounds are structural isomers? A)   B) C)  D) E) 34) What is the IUPAC name forCH3 A) 4-methylhexane. B).
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11) In water, a substance that partially ionizes in solution is called a A) weak electrolyte. B) nonelectrolyte. C) semiconductor. D) nonconductor. E) strong electrolyte. 12) An equivalent is A) the amount of ion that has a 1+ charge. B) the amount of ion that has a 1- charge. C) the amount of ion that carries 1 mole of.
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8.1   Multiple-Choice Questions 1) The O-H bond in water is polar because A) it is an ionic bond. B) oxygen is much more electronegative than hydrogen. C) oxygen occupies more space than hydrogen. D) hydrogen is much more electronegative than oxygen. E) it is a hydrogen bond. 2) A hydrogen bond is A) an attraction between a hydrogen.
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  Compare the osmotic pressure of these solutions to the osmotic pressure of red blood cells. A) hypertonic B) hypotonic C) isotonic 11) water 12) 0.5% NaCl 13) 7% glucose 14) 5% glucose 15) 0.9% NaCl Indicate whether each of the following compounds dissolves in water to give ions, molecules, or both. A) both B) ions C) molecules 16) NaCl, a strong electrolyte 17) HI,.
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11) The conjugate base of HClO3 is A) HClO2. B) ClO3-. C) Cl(OH)2. D) ClO3. E) HClO. 12) The conjugate acid of HSO4- is A) SO42-. B) HSO4. C) H2SO4. D) H2SO4-. E) HSO3-. 13) Which of the following is the strongest acid? A) H3PO4 B) NH4+ C) NaOH D) H2CO3 E) HCl 14) Which of the following is the strongest acid? A) HF ( Ka for HF.
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7.2   Bimodal Questions 1) In the kinetic molecular theory of gas behavior, the distance between gas molecules is assumed to be __________ the diameter of the gas molecules. A) 22.4 times B) small relative to C) dependent on D) approximately the same as E) large relative to 2) A barometer is a device for.
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11) Octane is a seven-carbon continuous chain alkane. 12) Octane is a seven-carbon linear alkane. 13) In a condensed structural formula, the carbon and attached hydrogens are written as a group. 14) The first four linear alkyl substituent groups are named methyl, ethyl, propyl, and butyl. 15) Isomers have the same molecular formula. 16) When.
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21) Amines contain carbon, hydrogen, and oxygen. 22) Amines contain the functional group -OH. 23) Functional groups are groups of atoms that act in predictable ways. 24) Functional groups always contain atoms other than just carbon and hydrogen. 11.3   Matching Questions Identify the following as more characteristic of an organic compound or an inorganic compound. A).
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51) In the process known as osmosis, __________ moves through a semipermeable membrane into an area of __________ concentration. A) solute; lower solute B) solute; higher solute C) solvent; lower solute D) solvent; lower solvent E) solvent; higher solvent For the question(s) that follow, consider a 4% starch solution and a 10% starch solution separated by.
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  Match the following organic structures with the appropriate functional group.   A) haloalkane B) amide C) carboxylic acid D) ketone E) ether F) alcohol G) thiol H) alkene I) ester J) alkyne K) aldehyde L) amine 6) CH3CH2CH= CH2 7) 8) CH3OH 9) 10) CH3CH2OCH2CH3 11) 12) CH3CH2SH 13) 14) HC≡CCH3 15) CH3CH2NH2 16) 17) .
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10.1   Multiple-Choice Questions 1) According to the Arrhenius concept, if NaOH were dissolved in water, it would act as A) a base. B) an acid. C) a source of hydronium ions. D) a source of H- ions. E) a proton donor. 2) According to the Arrhenius concept, if HNO3were dissolved in water, it would act as A) a.
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21) Which one of the following compounds will be soluble in water? A) AgCl B) Cu(OH)2 C) LiCl D) CaSO4 E) PbCO3 22) Which one of the following compounds will be soluble in water? A) AgBr B) Ca(OH)2 C) NH)4Cl D) CaCO3 E) PbS 23) When solutions of KCl and Pb(NO3)2 are mixed, a precipitate forms. Which of the following is the.
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11.1   Multiple-Choice Questions 1) In the three-dimensional structure of methane, CH4, the hydrogen atoms attached to a carbon atom are aligned A) in a straight line. B) at the corners of a square. C) at the corners of a tetrahedron. D) at the corners of a rectangle. E) at the corners of a cube. 2) An organic.
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8.2   Bimodal Questions 1) Acetic acid can be classified as a(n) __________. A) gas B) solid C) weak electrolyte D) strong electrolyte E) ionic compound 2) NaCl can be classified as a __________. A) gas B) liquid C) weak electrolyte D) strong electrolyte E) nonelectrolyte 3) Methanol, CH3OH, can be classified as a __________. A) gas B) solid C) weak electrolyte D) strong electrolyte E) nonelectrolyte 4) Using a.
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81) The functional group contained in the compound CH3CH2COOH is a(n) A) thiol. B) carboxylic acid. C) amine. D) ester. E) amide. 82) The functional group contained in the compound CH3CH2CONH2 is a(n) A) thiol. B) carboxylic acid. C) amine. D) ester. E) amide. 83) The functional group(s) contained in the compound shown below is (are) A) an amine. B) an aromatic. C) an amide. D).
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31) What is the product of this reaction? CH3CH2CH = CHCH3  +  Cl2  →  ? A) CH3CH2CH2CH2CH3 B) C) D) E) 32) The reaction of cyclohexene and Cl2 yields A) 1-chlorocyclohexene. B) 1,2-dichlorocyclohexane. C) 1,3-dichlorocyclohexane. D) 2,3-dichlorocyclohexane. E) 3,4-dichlorocyclohexane. 33) The reaction of propene and Br2 yields A) 1-bromopropane. B) 2-bromopropane. C) 1,1-dibromopropane. D) 1,2-dibromopropane. E) 2,2-dibromopropane. 34) The chemical reaction.
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Global Outcomes:  GO2 10.4   Matching Questions Identify each of the following compounds as an acid, a base, or neither. A) neither B) acid C) base 1) HCl 2) NaOH 3) NH3 4) H2SO4 5) CO32- 6) NaCl 7) CN- 8) H2CO3 A) greater than B) equal to C) less than 9) acid 10) base 11) [H3O+] = 1.0 × 10-6 M 12) [H3O+] = 1.0 × 10-10 M 13) [H3O+] =.
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7.5   Matching Questions Indicate the effect on the pressure of the following change. A) increases B) decreases C) no change 1) There is a decrease in volume (n, T constant). 2) Some molecules of gas are removed (V, T constant). 3) The temperature is doubled (V, n constant). 4) The volume and the Kelvin temperature are reduced by.
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11) Which one of the following is NOT an organic substance? A) an antibiotic B) nylon C) coal D) silk E) salt, sodium chloride 12) A hydrocarbon contains only the elements A) hydrogen and oxygen. B) carbon and oxygen. C) carbon and hydrogen. D) carbon, hydrogen, and oxygen. E) carbon, hydrogen, and nitrogen. 13) Organic chemistry is the study of the chemistry.
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21) Predict whether the equilibrium of the following reaction favors reactants or products: NH4+  +  H2O  ?  NH3  +  H3O+ A) Reactants are favored. B) Products are favored. C) Neither side is favored. 22) For Kw, the product of [H3O+] and [OH-] is A) 1.0 × 10-14. B) 1.0 × 10-7. C) 1.0 × 10-1. D) 1.0. E) 1.0 ×.
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10.2   Short Answer Questions 1) The conjugate acid of HPO42- is __________. 2) Identify the conjugate acid-base pairs in the following reaction: 3) Write the proper Ka expression for the ionization of acetic acid, HC2H3O2. 4) If an acid has a Ka  <<  1, is it classified as a weak acid or a strong.
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21) Which of the following is the correct structural formula for 3-methylcyclohexene? A) B) C) D) E) 22) The odors you associate with lemons, oranges, roses, and lavender are due to A) alkenes. B) alkanes. C) alkynes. D) thiols. E) amines. 23) Insects communicate with chemicals called A) markers. B) isomers. C) signals. D) pheromones. E) scents. 24) Some alkenes have cis-trans isomers.
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51) What is the name of the alkyl group CH3-CH2-CH2-? A) propane B) methyl C) ethane D) ethyl E) propyl 52) What is the IUPAC name for this alkane? A) 2-ethyl-3-methylpentane B) 4-ethyl-3-methylpentane C) 3, 4-dimethylhexane D) 2, 3-diethylbutane E) octane 53) What is the name for a one-carbon alkyl substituent? A) methyl B) ethyl C) propyl D) butyl E) pentyl 54) What is the name for a.
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9.3   Short Answer Questions 1) Write the equilibrium constant expression for the reaction of nitrogen and hydrogen to give ammonia, NH3. 2) A mixture at equilibrium that contains less product than reactant has a Kc that is __________ than 1. 3) An equilibrium constant with a value greater than 1 means the reaction.
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11) For the equilibrium reaction of carbon dioxide with water, what is the appropriate equation? A) H2O(l)  +  CO(g)  ?  H2CO3(aq) B) H2O(l)  +  2CO2 ? H2CO3(aq) C) H2O(l)  +  CO2(g)  ?  H2CO3(aq) D) H2O(l)  +  CO2(g)  ?  HCO3(aq) E) H2O(l)  +  CO2(g)  ?  H2CO2(aq) 12) A chemical reaction has reached equilibrium when A) the concentrations of.
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11) The IUPAC name for ethylene is A) ethane. B) cycloethane. C) ethyne. D) ethanene. E) ethene. 12) Which one of the following compounds has the smallest number of hydrogen atoms? A) butyne B) 2-methylpropane C) butene D) 2-methylcyclopropane E) butane 13) Which of the following names are correct? A) 3-butyl-4-pentene B) 3-ethyl-1-heptene C) 3-etheneheptane D) 5-ethyl-6-heptene E) All of the above are correct. 14) What is the.
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  Identify the following as acids, bases, or neutral solutions. A) base B) neutral C) acid 16) has a sour taste 17) has a pH = 4.5 18) turns blue litmus paper red 19) contains more hydronium ions than hydroxide ions 20) H2O 21) [H3O+] = 3.4 × 10-5 M 22) [OH-] = 2.8 × 10-2 M Global Outcomes:  GO4 23) Ca(OH)2 24) pH.
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71) What type of compound is CH3-CH2- CH3? A) alkane B) branched alkane C) cycloalkane D) haloalkane E) isomer 72) The special feature that determines the family name and chemical reactivity of the organic compound it is found in is called a(n) A) functional group. B) organic compound. C) identifying group. D) ionic bond. E) covalent bond. 73) A functional group is.
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21) What is the name of the continuous chain alkane with six carbon atoms? A) butane B) pentane C) hexane D) heptane E) octane 22) What is the name of this compound? CH3- CH2- CH2- CH2- CH2- CH2-CH3 A) hexane B) heptane C) octane D) butane E) pentane 23) What is the name of this compound? CH3- CH2- CH2- CH2-CH3 A) pentane B) hexane C) heptane D).
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7.4   True/False Questions 1) The kinetic energy of a gas sample is directly proportional to the Kelvin temperature of the gas. 2) 1 mmHg is the same as 760 atm. 3) According to Boyle's, when volume increases, pressure decreases. 4) Gas law calculations normally require the use of the Kelvin temperature scale. 5) The pressure.
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