USF BCH 3023 - Test 1 Review Questions (without Answers)

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PERIODIC TABLE OF THE ELEMENTS 2 IIA 3 IIIB 4 IVB 5 VB 6 VIB 7 8 9 VIIB VIIIB 10 11 IB 12 IIB 13 IIIA 14 IVA 15 VA 16 VIA 17 VIIA 18 VIIIA 1 IA 1 H 1 008 3 Li 6 941 11 Na 22 99 19 K 39 10 37 Rb 85 47 55 Cs 132 9 87 Fr 223 4 Be 9 012 12 Mg 24 31 20 Ca 40 08 38 Sr 87 62 56 Ba 137 3 88 Ra 226 0 21 Sc 44 96 39 Y 88 91 57 La 138 9 89 Ac 227 0 58 Ce 140 1 90 Th 232 0 22 Ti 47 88 40 Zr 91 22 72 Hf 178 5 104 Rf 267 59 Pr 140 9 91 Pa 231 0 23 V 50 94 41 Nb 92 91 73 Ta 181 0 105 Db 268 60 Nd 144 2 92 U 238 0 24 Cr 52 00 42 Mo 95 94 74 W 183 8 106 Sg 271 61 Pm 145 93 Np 237 25 Mn 54 94 43 Tc 98 75 Re 186 2 107 Bh 272 62 Sm 150 4 94 Pu 244 26 Fe 55 85 44 Ru 101 1 76 Os 190 2 108 Hs 277 63 Eu 152 0 95 Am 243 27 Co 58 93 45 Rh 102 9 77 Ir 192 2 109 Mt 276 64 Gd 157 3 96 Cm 247 28 Ni 58 69 46 Pd 106 4 78 Pt 195 1 110 Ds 281 65 Tb 158 9 97 Bk 247 29 Cu 63 55 47 Ag 107 9 79 Au 197 0 111 Rg 280 66 Dy 162 5 98 Cf 251 30 Zn 65 39 48 Cd 112 4 80 Hg 200 6 112 Cn 285 67 Ho 164 9 99 Es 252 5 B 10 81 13 Al 26 98 31 Ga 69 72 49 In 114 8 81 Tl 204 4 6 C 12 01 14 Si 28 09 32 Ge 72 61 50 Sn 118 7 82 Pb 207 2 7 N 14 01 15 P 30 97 33 As 74 92 51 Sb 121 8 83 Bi 209 0 8 O 16 00 16 S 32 07 34 Se 78 96 52 Te 127 6 84 Po 209 9 F 19 00 17 Cl 35 45 35 Br 79 90 53 I 126 9 85 At 210 2 He 4 003 10 Ne 20 18 18 Ar 39 95 36 Kr 83 80 54 Xe 131 3 86 Rn 222 68 Er 167 3 100 Fm 257 69 Tm 168 9 101 Md 258 70 Yb 173 0 102 No 259 71 Lu 175 0 103 Lr 260 t 2 1 t 2 1 2ln k A 0 2 k 1 0 Ak T b kb i m Tf kf i m i M R T Scoring Questions 1 through 20 are multiple choice and are worth 8 points each A t kt 0 A ln A t kt ln 0 A T 1 1 ln P2 P1 T 2 R 1 1 T 2 E R a ln k k 2 1 1 T 1 1 A t kt 1 0 A Psolution molsolvent molsolvent i molsolute 0 Psolvent t 2 1 R 0 08206 L atm mol K Constants Conversions 1 atm 760 torr 760 mm Hg Directions Please use the following review questions as one resource in helping you prepare for the upcoming exam It is recommended to take this as an actual exam with a timer set to R 8 314 J mol K Kelvin Celsius 273 15 65 minutes and no resources other than a calculator Please keep in mind that your actual test will necessarily have different questions and will come from the learning objectives Thus your studying should focus on practicing all of the learning objectives and to not overly focus on the objectives seen here 1 Which of the following solutions would have the highest value for boiling point A 0 20 M NaCl B 0 10 M CaCl2 C 0 50 M CH3OH D 0 30 M CaCl2 E 0 10 M CH3COCH3 2 Which statements below are always true regarding the addition of a catalyst to a reaction I the catalyst is in the same state as the reactants II the catalyst lowers the activation energy in a reaction III the catalyst raises the value for the rate constant k A only I B only II C only III D II and III E All three statements 3 A reaction has a rate constant of 0 0185 s 1 and the only reactant has an initial concentration of 0 135 M What is the concentration in molarity of this reactant after 125 seconds A 4 84 10 5 B 0 0134 C 0 103 D 0 310 E 4 84 4 A chemical reaction in the form 2 A 3 B is observed to have the rate of chemical A decrease at 0 15 mol L s How would the rate of this reaction be reported in mol L s A 0 075 B 0 10 C 0 15 D 0 23 E 0 45 5 Provided the following experimental data determine the correct rate law Rate mol L s A mol L 2 87 10 4 7 16 10 3 2 87 10 4 0 012 0 060 0 012 B mol L 0 0207 0 0621 0 0621 A Rate 0 0238 A B Rate 1 15 A 2 D Rate 1 99 A 2 C Rate 55 6 A E Rate 0 667 B 2 6 Which of the following is a plausible reaction mechanism for 2 H2 O2 2 H2O given that the reaction was found to have a rate law of Rate k H2 2 A 2 H2 O2 2 H2O slow slow C H2 H2 4 H 2 H O2 2 OH H OH H2O H OH H2O B H2 O2 2 OH slow OH H2 H2O H OH H H2O D H2 H2 4 H 4 H O2 2 H2O slow 7 List the following compounds in the order of increasing strength of intermolecular forces H3C C CH3 H3C CH CH2 CH3 H3C CH2 CH2 CH2 CH2 CH3 H3C CH2 CH2 CH2 CH3 CH3 II IV CH3 CH3 I III A I II III IV B III IV II I C I II IV III D II I IV III E IV I II III 8 Which of the following is a reaction mechanism for A B C that shows the presence of a catalyst D 2 B E slow A A E D C B fast B A D B slow D 2 B C fast C A D E slow D E B C fast D 2 B D fast D A C B slow E 2 B 2 D E slow A 2 D E C B fast 9 Increasing the temperature of a solution changes which of the following I Molarity II Molality III Mole fraction A Only I B Only II C Only III D …


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USF BCH 3023 - Test 1 Review Questions (without Answers)

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