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Study Resources (Chemistry)

3.2   Bimodal Questions 1) When ice melts, the change that takes place is ________. A) freezing B) evaporation C) an exothermic process D) a chemical change E) a physical change 2) A temperature of 54.0 °C is ________ °F. A) 97.2 B) 65.2 C) 129.2 D) 62.0 E) 35.6 3) A temperature of 85 °F is ________ K. A) 29 B) 188 C).
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3.3   Matching Questions Match the state of matter with each of the following descriptions of a substance. A) solid B) liquid C)  gas 1) This substance has a definite shape and volume. 2) This substance has a definite volume but indefinite shape. 3) This substance completely fills its container. 4) Water at room temperature. Identify each of.
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127) To which family does this organic compound belong? A) amide B) amine C) carboxylic acid D) ester 128) To which family does this organic compound belong? A) amide B) amine C) carboxylic acid D) ester 129) To which family does this organic compound belong? A) amide B) amine C) carboxylic acid D) ester 130) Identify the functional groups in the following compound. A) alcohol and.
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187) What is the backbone of the nucleic acid constructed of? A) alternating sugar phosphate groups B) amine bases C) glucose polymers D) polyamides 188) The nucleotide sequence, T-A-G, stands for A) threonine-alanine-glutamine. B) thymine-adenine-guanine. C) tyrosine-asparagine-glutamic acid. D) None of these 189) Which of the following bases pairs with adenine in DNA? A) cytosine B) guanine C) thymine D) uracil 190) What is the.
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167) Hemoglobin is a protein molecule which contains 4 iron atoms. If the mass percent of iron is 0.342%, what is the molar mass of hemoglobin? A) 1020 g/mol B) 16,300 g/mol C) 65,300 g/mol D) none of these 168) The term "carbohydrates" refers to a large class of polyhydroxylated A) alcohols and carboxylic acids. B).
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3.1   Multiple Choice Questions 1) A pure substance is matter that consists of matter with a composition that ________. A) is fixed in a definite proportion at all times B) varies according to the amount of water present C) depends on the temperature D) always contains oxygen E) always contains two or more substances 2) Compounds.
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1.2   True/False Questions 1) The reddish-brown color of smog is due to NO2. 2) Chlorofluorocarbons are broken down in the upper atmosphere to produce oxygen, O2. 3) Titanium dioxide in toothpaste is used as a mild abrasive. 4) Alchemists believed there were four components of nature: earth, fire, air, and water. 5).
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207) Identify the amino acid shown below. A) Asparagine (Asn) B) Aspartic acid (Asp) C) Glutamic acid (Glu) D) Glutamine (Gln) 208) Identify the amino acid shown below. A) Asparagine (Asn) B) Aspartic acid (Asp) C) Glutamic acid (Glu) D) Glutamine (Gln) 209) Identify the amino acid shown below. A) Asparagine (Asn) B) Aspartic acid (Asp) C) Glutamic acid (Glu) D) Glutamine (Gln) 210) Identify.
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197) Identify the amino acid shown below. A) Alanine (Ala) B) Glycine (Gly) C) Isoleucine (Ile) D) Leucine (Leu) 198) Identify the amino acid shown below. A) Alanine (Ala) B) Glycine (Gly) C) Isoleucine (Ile) D) Leucine (Leu) 199) Identify the amino acid shown below. A) Methionine (Met) B) Phenylalanine (Phe) C) Proline (Pro) D) Tryptophan (Trp) 200) Identify the amino.
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31) What is the conversion factor for the relationship between millimeters and centimeters? A) 1 mm/1 cm B) 10 mm/1 cm C) 1 cm/1 mm D) 100 mm/1 cm E) 10 cm/1 mm 32) Which of the following is the smallest unit? A) gram B) milligram C) kilogram D) decigram E) microgram 33) The cubic centimeter (cm3 or cc) has.
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1.1   Multiple Choice Questions 1) Water, H2O, is an example of a(n) ________. A) chemical B) solid C) wave D) electric charge E) element 2) In this list, which substance can be classified as a chemical? A) salt B) sleep C) cold D) heat E) temperature 3) One example of a chemical used in toothpaste is ________. A) chlorine B) sulfur C) carbon.
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227) Based on the structure of its side chains, the amino acid shown below can be classified as A) acidic. B) basic. C) neutral, non-polar. D) neutral, polar. 228) Based on the structure of its side chains, the amino acid shown below can be classified as A) acidic. B) basic. C) neutral, non-polar. D) neutral, polar. 229) Based on the.
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157) All but one of the common amino acids contain a -NH2 amino group. Which one contains an -NH- amino group as part of a ring structure? A) phenylalanine B) proline C) tryptophan D) tyrosine 158) Peptide bonds that link amino acids together in proteins contain the ________ functional group. A) amine B) amide C) ester D) ketone 159).
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    107) In the figure above, which structures are identical? A) All are identical. B) None are identical. C) only (1) and (4) D) only (1), (3), and (4) 108) In the figure above, which are isomers of compound (1)? A) All are isomers of compound (1). B) None are isomers of compound (1). C) only (2) and (3) D).
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217) Based on the structure of its side chains, the amino acid shown below can be classified as A) acidic. B) basic. C) neutral, non-polar. D) neutral, polar. 218) Based on the structure of its side chains, the amino acid shown below can be classified as A) acidic. B) basic. C) neutral, non-polar. D) neutral, polar. 219) Based on the.
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4.1   Multiple Choice Questions   Select the correct symbol for the element named. 1) aluminum A) Al B) Am C) Au D) Sn E) Ag 2) iron A) Ir B) Fs C) Fe D) In E) FE 3) sodium A) So B) Na C) No D) Sm E) Au 4) potassium A) P B) Po C) Pt D) K E) Ko 5) silver A) S B) Si C) Ag D) Au E) AG 6) Ca is the symbol.
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11) Which of the following is a chemical? A) sugar B) heat C) light D) noise E) a wave 12) The first step in the scientific method is ________. A) using technology B) making observations C) forming a hypothesis D) doing experiments E) proposing a theory 13) DDT is a type of ________. A) herbicide B) poison gas C) plant D) insecticide E) metal 14).
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Shown are ball-and-stick (1) and space-filling (2) models of methane.     99) What is the H–C–H bond angle? A) 90° B) 109.5° C) 120° D) 180° 100) What hybrid orbitals are used by carbon to form covalent bonds with hydrogen? A) sp B) sp2 C) sp3 D) sp3d Shown are ball-and-stick (1) and space-filling (2) models of ethylene.     101) What is the H–C–H.
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177) Which substance is a monosaccharide? A) cellulose B) glucose C) glycogen D) starch 178) Lipids are characterized by what property? A) chemical reactivity B) chemical structure C) refractive index D) solubility 179) Which statement below regarding fatty acids is not correct? Fatty acids A) are always liquids. B) are long chain carboxylic acids. C) are usually unbranched chains. D) usually have an even.
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137) Which molecule is referred to as the "energy storehouse"? A) acetyl CoA B) ATP C) CO2 D) fatty acids 138) Approximately what mass percent of a body's dry weight consists of proteins? A) 5% B) 25% C) 50% D) 72% 139) In addition to an amine, which functional group do all amino acids contain? A) an alcohol B) an amide C).
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117) Which are isomers? A) All are isomers. B) (1) and (2); (3) and (4) C) (1) and (3); (2) and (4) D) (1) and (4); (2) and (3) 118) To which family does this organic compound belong? A) alkane B) alkene C) alkyne D) arene 119) To which family does this organic compound belong? A) alkane B) alkene C) alkyne D) arene 120) To.
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21) When saccharine dissolves in water, this event is an example of a ________. A) physical change B) chemical change C) change of shape D) change of state E) change of size 22) Which of the following is an example of a physical change? A) grinding coffee beans B) baking a cake C) converting water to hydrogen.
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  Match the type of measurement to the unit given below. A) volume B) mass C) distance D) density E) temperature 7) milliliter 8) mm 9) gram 10) 125 K 11) kilometer     Select the correct prefix to complete the equality. A) 0.001 B) 100 C) 1 D) 10 E) 1000 12) 1 g = _____ kg 13) 1 m = _____ mm 14) 1 cm = _____ mm 15).
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147) Which is an amino acid acidic side chain? A) –CH3 B) –CH2OH C) –CH2CO2H D) –CH2CH2CH2CH2NH2 148) Which one of the following amino acids does not contain a basic side chain A) arginine B) histidine C) lysine D) serine 149) Which of the following amino acids is acidic? A) alanine B) aspartic C) glycine D) valine 150) Which one of the following amino acids.
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23.3   Short Answer Questions 1) In organic molecules the molecular geometry exhibited by carbon is ________ when carbon is bonded to four atoms by four single bonds, ________ when carbon is bonded to three atoms by one double bond and two single bonds, and ________ when carbon is bonded to two.
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11) The cycloalkane represented by a hexagon is named ________ and has the molecular formula ________. 12) When toluene C6H5CH3 is reacted with Br2/FeBr3, the number of different products that can be formed is ________. 13) The molecule H2NCH2CH2CH2OH contains an ________ functional group and an ________ functional group. 14) The condensed.
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