chemistry_sl_p1_3

chemistry_sl_p1_3 - c 45 minutes IB DIPLOMA PROGRAMME...

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CHEMISTRY STANDARD LEVEL PAPER 1 Tuesday 18 May 2004 (afternoon) 45 minutes M04/420/S(1)+ IB DIPLOMA PROGRAMME PROGRAMME DU DIPL&ME DU BI PROGRAMA DEL DIPLOMA DEL BI c 224-167 12 pages INSTRUCTIONS TO CANDIDATES ! Do not open this examination paper until instructed to do so. ! Answer all the questions. ! For each question, choose the answer you consider to be the best and indicate your choice on the answer sheet provided.
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87 Fr (223) 55 Cs 132.91 37 Rb 85.47 19 K 39.10 11 Na 22.99 3 Li 6.94 1 H 1.01 88 Ra (226) 56 Ba 137.34 38 Sr 87.62 20 Ca 40.08 12 Mg 24.31 4 Be 9.01 2 & ± 89 & Ac (227) 57 ± La 138.91 39 Y 88.91 21 Sc 44.96 90 Th 232.04 58 Ce 140.12 72 Hf 178.49 40 Zr 91.22 22 Ti 47.90 91 Pa 231.04 59 Pr 140.91 73 Ta 180.95 41 Nb 92.91 23 V 50.94 92 U 238.03 60 Nd 144.24 74 W 183.85 42 Mo 95.94 24 Cr 52.00 Atomic Number Element Atomic Mass 93 Np (237) 61 Pm 146.92 75 Re 186.21 43 Tc 98.91 25 Mn 54.94 94 Pu (242) 62 Sm 150.35 76 Os 190.21 44 Ru 101.07 26 Fe 55.85 95 Am (243) 63 Eu 151.96 77 Ir 192.22 45 Rh 102.91 27 Co 58.93 96 Cm (247) 64 Gd 157.25 78 Pt 195.09 46 Pd 106.42 28 Ni 58.71 97 Bk 65 Tb 158.92 79 Au 196.97 47 Ag 107.87 29 Cu 63.55 The Periodic Table 98 Cf (251) 66 Dy 162.50 80 Hg 200.59 48 Cd 112.40 30 Zn 65.37 99 Es (254) 67 Ho 164.93 81 Tl 204.37 49 In 114.82 31 Ga 69.72 13 Al 26.98 5 B 10.81 100 Fm (257) 68 Er 167.26 82 Pb 207.19 50 Sn 118.69 32 Ge 72.59 14 Si 28.09 6 C 12.01 101 Md (258) 69 Tm 168.93 83 Bi 208.98 51 Sb 121.75 33 As 74.92 15 P 30.97 7 N 14.01 102 No (259) 70 Yb 173.04 84 Po (210) 52 Te 127.60 34 Se 78.96 16 S 32.06 8 O 16.00 103 Lr (260) 71 Lu 174.97 85 At 53 I 126.90 35 Br 79.90 17 Cl 35.45 9 F 19.00 86 Rn (222) 54 Xe 131.30 36 Kr 83.80 18 Ar 39.95 10 Ne 20.18 He 4.00 0 ² 2 ² M04/420/S(1)+ 224-167
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1. How many hydrogen atoms are contained in one mole of ethanol, 25 CHOH? A. 5 B. 6 C. 23 1.0 10 & D. 24 3.6 10 & 2. The percentage by mass of the elements in a compound is . C 72%, H 12%, O 16% === What is the mole ratio of C : H in the empirical formula of this compound? A. 1 : 1 B. 1 : 2 C. 1 : 6 D. 6 : 1 3. What is the coefficient for when the equation below is balanced? 2 O(g ) 38 2 2 2 C H (g) O (g) CO (g) H O(g) + + A. 2 B. 3 C. 5 D. 7 & 3 & M04/420/S(1)+ 224-167 Turn over
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4. What amount of NaCl (in moles) is required to prepare of a solution?
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chemistry_sl_p1_3 - c 45 minutes IB DIPLOMA PROGRAMME...

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