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16.2   True/False 1) 12C is the most stable carbon isotope. 2) An electron is a nucleon. 3) 13C is the carbon isotope used for carbon dating. 4) Isotopes with the lowest possible n/p ratio are the most stable. 5) The n/p > 1 ratio appears in elements whose atomic number is greater than 24. 6) The.
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14.2   True/False Questions 1) At equilibrium, the concentrations of reactants and products are always exactly the same. 2) At equilibrium, the "amount of product" present is always greater than the "amount of reactant" present. 3) At equilibrium, the rate of the "forward" reaction is equal to the rate of the "reverse" reaction. 4).
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31) When nickel-63 is converted to copper-63 ________. A) an electron is captured B) an alpha particle is emitted C) an electron is released D) a neutron is released 32) When radium-226 is converted to radon-222 ________. A) an electron is captured B) an alpha particle is emitted C) an electron is released D) a neutron is released 33) The.
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11) Which of the following unbranched hydrocarbons is not saturated? A) C6H14 B) C10H22 C) C9H16 D) C16H34 12) Which of the following unbranched/acyclic hydrocarbons is saturated? A) C6H14 B) C10H20 C) C12H22 D) C5H10 13) Which of the following unbranched/acyclic hydrocarbons may have a double bond? A) C6H14 B) C10H20 C) C12H22 D) C5H8 14) Which of the following unbranched/acyclic hydrocarbons may have a.
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11) Construct a line drawing for the hydrocarbon whose IUPAC name is 2-methyl-2-butene. 12) Construct a line drawing for the hydrocarbon whose IUPAC name is 3,6-dimethyl-1-octene. 13) Construct a line drawing for the hydrocarbon whose IUPAC name is 2,4,4-trimethyl-2-pentene. 14) Give the IUPAC name for this compound: 15) Give the IUPAC name of this.
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18.1   Multiple Choice Questions 1) DNA molecules, as found in human cells, are best described as: A) a large, single-stranded molecule made of proteins. B) a large, single-stranded molecule that contains phosphate groups, carbohydrate units, and bases from amino acids. C) a polysaccharide. D) a large, double-stranded molecule made of amino acids. 2) Which of the.
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11) Which of the following is a nucleon? A) proton B) electron C) postiron D) both A and B 12) Which of the following does not have an atomic number of 1? A) proton B) neutron C) positron D) deuterium 13) Which of the following has an atomic number of 0? A) proton B) neutron C) positron D) deuterium 14) Which of the following does.
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51) Which is a strong base? A) potassium hydroxide B) ammonium hydroxide C) aluminum hydroxide D) fluoride ion 52) Which substance is the most acidic? A) coffee B) milk C) oven cleaner D) baking soda 53) Which substance is the most basic? A) blood B) milk C) household ammonia D) milk of magnesia 54) Which is the most basic solution? A) a solution whose [H+] =.
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16.1   Multiple Choice Questions 1) Isotopes have ________. A) the same number of protons but different number of neutrons B) the same number of neutrons but different number of protons C) the same number protons and the same number of neutrons D) different number protons and neutrons 2) The relationship between 16O, 17O and 18O.
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17.2   True / False Questions 1) Unlike carbon, nitrogen has the potential of bonding to other atoms of itself, but cannot form long chains. 2) Carbon always form four bonds. 3) CH3Br is an alkyl halide. 4) CH3NH2 is a primary amine. 5) All amines contain a nitrogen atom. 6) No other element in the periodic.
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14.3   Short Answer Questions 1) Predict the shift in the direction of the reaction for the following chemical reaction: CH4 + O2 ⇔ CO2 + H2O a)if methane (CH4) is added. b)if carbon dioxide (CO2) is added. c)if water (H2O) is removed. 2) Predict the shift in the direction of the reaction for the following chemical.
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Match each isotope in the questions with its location on the band of stability that appears in the list below.   A) below B) directly on C) above   10) carbon-12 11) iron-56 12) hydrogen-1 13) calcium-40 14) uranium-238 15) cobalt-60 Match each of the isotopes that appears in the questions with the corresponding mechanism that provides a more stable product (a.
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Chapter 15   Electrolytes, Acids, and Bases   15.1   Multiple Choice Questions 1) Which of the following conjugate pairs would form a good buffer? A) HCl/Cl- B) OH-/H2O C) NH3/NH4+ D) HNO3/NO3- 2) Which of the following solutions would you expect not to conduct electricity? A) NaCl in water B) CO in water C) HCl in water D) H2SO4 in water 3) What is.
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Match the name of each alkyne in the questions with the correct number of hydrogens that appears in the list below.   A) 8 B) 16 C) 10 D) 14 E) 12 F) 2 G) 4 H) 6   17) heptyne 18) pentyne 19) propyne 20) ethyne 21) octyne 22) nonyne 23) butyne 24) hexyne Match each formula in the questions to the corresponding organic family in the list.
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16.4   Matching Questions Match each of the transformations that appear in the questions with the process that appears in the list below.   A) electron capture B) alpha emission C) beta emission   1) 238U → 234Th 2) 40K → 40Ar 3) 1p → 1n 4) 14C → 14N 5) 230Th → 226Ra 6) 214Bi → 214Po 7) 210Po → 208Pb 8) 197Hg →.
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21) Carbonic, phosphoric, and sulfuric acids produce two H3O+ ions per molecule of acid when dissolved in water. 22) A saline solution will not conduct an electric current. 23) CH3CO2H has four acidic hydrogens. 24) H2PO4- is the conjugate acid of PO42-. 25) HPO42- is the conjugate base of H2PO4-. 26) Arrhenius' definition of a.
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17.3   Short Answer Questions 1) How many carbon atoms are there in the longest possible continuous chain in the following molecule? 2) How many carbon atoms are there in the longest possible continuous chain in the following molecule? 3) How many carbon atoms are there in the longest possible continuous chain in the.
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15.4   Matching Questions Identify each of the substances that appear in the questions as an electrolyte or non-electrolyte.   A) non-electrolyte B) electrolyte   1) aqueous sucrose solution 2) solid sodium chloride 3) aqueous hydrochloric acid solution 4) aqueous salt solution 5) aqueous sulfuric acid solution 6) gasoline 7) aqueous baking soda solution 8) aqueous rubbing alcohol 9) pure water 10) sports drink 11) seawater 12) tap.
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21) 1,4-diaminobenzene is one component used to make Kevlar, which is then used in (among other things) bulletproof vests. Draw the line structure of 1,4-diaminobenzene. Remember that benzene has the structure: Labeling of carbons begins at "1" in the "12 o'clock" position and proceeds clockwise. 22) Give the IUPAC name for the compound.
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21) Which of the following is a diprotic acid when dissolved in water? A) hydrobromic B) sulfuric C) hypochlorous D) phosphoric 22) Which of the following produces more than one H3O+ ion per molecule of acid when dissolved in water? A) hydrobromic B) carbonic C) hypochlorous D) acetic 23) Which of the following does not produce more than one H3O+.
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14.4   Matching Questions Identify each of the equilibrium constant values in the questions as "Equilibrium lies to the right/products favored" or "Equilibrium lies to the left/reactants favored".   A) Equilibrium lies to the left/reactants favored B) Equilibrium lies to the right/ products favored   1) 0.563 2) 4.23 3) 2.3 × 103 4) 4.5 × 10-2 5) 3.7 × 103 6).
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31) The conjugate base of HCO3- is ________. A) H2CO3 B) CO3-2 C) CO2-2 D) H3CO3+ 32) Which of the following qualifies as a Bronsted-Lowry base? A) CH4 B) NH3 C) SiH4 D) H2 33) Which of the following qualifies as a Bronsted-Lowry acid? A) KOH B) NH3 C) Na+ D) NH4+ 34) Which of the following does not qualify as a Bronsted-Lowry base? A) CH4 B).
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15.2   True/False Questions 1) The compound HCl is considered a Bronsted-Lowry base because it increases the concentration of H3O+ when it dissociates in water. 2) The autodissociation of water gives pure water a pH of 4 and thus a higher concentration of H3O+ than OH-. 3) An aqueous solution of pH 9.5 is.
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11) Deionized water can conduct electricity. 12) Sucrose (table sugar) is a strong electrolyte. 13) Sodium hydroxide is a non-electrolyte. 14) A solution of HF/F- can act as a buffer. 15) A solution of HCl/Cl- can act as a buffer. 16) An electrolyte is a substance that, when dissolved in water, yields a solution that.
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17.1   Multiple Choice Questions 1) Which of the following line drawings represents an unsaturated hydrocarbon? A) B) C) D) 2) Which of the following hydrocarbon molecules is the most unsaturated? (Think also: Which of the following needs to have the most hydrogens added to achieve saturation?) A) B) C) D) 3) In the above.
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