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Question 19 4 pts Which of the following isotopes is used in the treatment of thyroid...
Question 13 4 pts Which of the following hydrocarbons has one pi bond and one cycloalkane? A) C6H8 B) C5Hg C) C3H8 D) C4H8 OB ОА Ос OD 4 pts
Question 9 4 pts Which of the following species is amphoteric? A) CO32- B) HF C) NH* D) HPO 2 ОА OD OB Ос 4 pts Question 10
Question 18 4 pts Which, if any, of the following processes is spontaneous under the specified conditions? A) H200) H2O(s) at 25°C B) CO2(s) + CO2(s) at 25°C C) 2H2O(g) + 2H2(g) + O2(g) at 25°C D) C(graphite)C(diamond) at 25°C and 1 atm ОА Ос OB OD Ante
D Question 7 4 pts Which of the following substances has the lowest solubility in water? A) Hg2Cl2, Ksp = 3.1 x 10-18 B) Caz(PO4)2, Ksp = 2.0*10-29 C) AglO3, Ksp = 3.1 x 10-8 D) CuBr, Ksp = 5.0 x 10-9 Ос OB ОА OD 4 pts Question 8
Question 33 2 pts Which one of the following molecules is polar? (a) BC13 (b) Bel2 (c) CCIA (d) CHCl3 (e) Br2 Ос ОЕ OB OD ОА
Question 18 4 pts Which compound would give the following elemental analysis? C:87.19 H: 12.61 B C D. OC OB OD OA Question 19 5 pts
4 pts Question 15 Identify the place which has the highest boiling point of water. A) Death Valley, 282 feet below sea level B) a pressurized passenger jet, 35,000 feet C) New Orleans, sea level D) Mt. Everest, 29,035 feet OD OB ос ОА 4 pts Question 16
Question 4 4 pts Identify which of the following molecules corresponds to the MS data below. box on zr or be at С D E 100 Molecular ion 116 mass 116 80 60 Rdative htensity 42 81 40 54 20- 0 20 8 8 30 140 160 180 200 100 120 m/z ОА OB Ос D ОЕ OF
Question 16 4 pts Which changes is endothermic? A) CO2(g) → CO2(s) B) CO2(g) CO2(0) C) CO2(s) - CO2(g) D) CO2(0) CO2 (s) - → Ос ОА OB OD 4 pts Question 17
Ос OB ОЕ ОА D Question 23 4 pts Which sets of reagents would most readily undergo the following transformation? 7 anconote - Yo'l-oylering А B с None. All would liminate OD OA a O