UMass_Ch111FinalExam

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Unformatted text preview: Page 1 of 14 Name: _______________________________ Chem 111 9:05a section Final Exam v1 This exam is composed of 50 questions. Go initially through the exam and answer the questions you can answer quickly . Then go back and try the ones that are more challenging to you and/or that require calculations. PV = nRT N o = 6.022 x 10 23 mol 1 E = h = hc u 2 = 3 RT M K . E . = 1 2 mu 2 E n H atom = R H hc n 2 R H hc = 1312 kJ mol 1 1 mL = 1 cm 3 1 atm = 760 mm Hg H vap H 2 O ( ) = 40.65 kJ mol 1 H fus H 2 O ( ) = 6.00 kJ mol 1 E = q + w = H P V h = 6.626 x 10 34 J s c = 2.998 x 10 8 m s 1 R = 0.0820 L atm K 1 mol 1 R = 8.314 J K 1 mol 1 J = kg m 2 s 2 PERIODIC TABLE OF THE ELEMENTS 1A 2A 3B 4B 5B 6B 7B 8B 8B 8B 1B 2B 3A 4A 5A 6A 7A 8A 1 H 1.008 2 He 4.003 3 Li 6.939 4 Be 9.012 5 B 10.81 6 C 12.01 7 N 14.01 8 O 16.00 9 F 19.00 10 Ne 20.18 11 Na 22.99 12 Mg 24.31 13 Al 26.98 14 Si 28.09 15 P 30.97 16 S 32.07 17 Cl 35.45 18 Ar 39.95 19 K 39.10 20 Ca 40.08 21 Sc 44.96 22 Ti 47.90 23 V 50.94 24 Cr 52.00 25 Mn 54.94 26 Fe 55.85 27 Co 58.93 28 Ni 58.71 29 Cu 63.55 30 Zn 65.39 31 Ga 69.72 32 Ge 72.61 33 As 74.92 34 Se 78.96 35 Br 79.90 36 Kr 83.80 37 Rb 85.47 38 Sr 87.62 39 Y 88.91 40 Zr 91.22 41 Nb 92.91 42 Mo 95.94 43 Tc (99) 44 Ru 101.1 45 Rh 102.9 46 Pd 106.4 47 Ag 107.9 48 Cd 112.4 49 In 114.8 50 Sn 118.7 51 Sb 121.8 52 Te 127.6 53 I 126.9 54 Xe 131.3 55 Cs 132.9 56 Ba 137.3 57 La 138.9 72 Hf 178.5 73 Ta 181.0 74 W 183.8 75 Re 186.2 76 Os 190.2 77 Ir 192.2 78 Pt 195.1 79 Au 197.0 80 Hg 200.6 81 Tl 204.4 82 Pb 207.2 83 Bi 209.0 84 Po (209) 85 At (210) 86 Rn (222) 87 Fr (223) 88 Ra 226.0 89 Ac 227.0 104 Unq (261) 105 Unp (262) 106 Unh (263) 107 Uns (262) 108 Uno (265) 109 Une (266) Solubility Rules for some ionic compounds in water Soluble Ionic Compounds 1. All sodium (Na + ), potassium (K + ), and ammonium (NH 4 + ) salts are SOLUBLE. 2. All nitrate (NO 3 ), acetate (CH 3 CO 2 ), chlorate (ClO 3 ), and perchlorate (ClO 4 ) salts are SOLUBLE. 3. All chloride (Cl ), bromide (Br ), and iodide (I ) salts are SOLUBLE -- EXCEPT those also containing: lead, silver, or mercury (I) (Pb 2+ ,Ag + , Hg 2 2+ ) which are NOT soluble. 4. All sulfate (SO 4 2- ) salts are SOLUBLE - - EXCEPT those also containing: calcium, silver, mercury (I), strontium, barium, or lead (Ca 2+ , Ag + , Hg 2 2+ , Sr 2+ , Ba 2+ , Pb 2+ ) which are NOT soluble. Not Soluble Ionic Compounds 5. Hydroxide (OH ) and oxide (O 2 ) compounds are NOT SOLUBLE -- EXCEPT those also containing: sodium, potassium, or barium (Na + , K + , Ba 2+ ) which are soluble. 6. Sulfide (S 2 ) salts are NOT SOLUBLE -- EXCEPT those also containing: sodium, potassium, ammonium, or barium (Na + , K + , NH4 + , Ba 2+ ) which are soluble....
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