Chemical Caricatures.pdf - University of Cincinnati

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WILLIAM B. JENSEN IV EQUAL VOLUMES Amedeo Avogadro (1776-1856). Italian physicist. Initially a law student, Avogadro did not begin the study of physics until 1800, eventually becoming Professor of Physics at the Royal College at Vercelli (1809) and then at the University of Turin (1820,1834). He is best known for his essay of 1811 in which he attempted to reconcile Dalton’s atomic theory with Gay-Lussac’s law of combining volumes. His solution rested on two assumptions: 1) equal volumes of gases at the same temperature and pressure contain equal numbers of molecules, and 2) the molecules of simple substances could be polyatomic. The first assumption allowed one to determine molecular weights by measuring gas densities, and the second allowed one to extract atomic weights from the molecular weights of simple substances given a knowledge of the volumetric stoichiometries of their gas-phase reactions. Unfortunately Avogardro’s second assumption was at variance with the chemical theory of the time, which assumed that all simple substances were inherently monoatomic, and his procedure for extracting atomic weights from molecular weights could only be applied to a few elements. As a consequence, his work was largely ignored during his lifetime. It was only in 1858, when the second assumption was no longer in conflict with accepted theory, that Cannizzaro was able to reawaken an interest in Avogadro’s work through his discovery of a more general method for extracting atomic weights from the resulting molecular weights. - 8 -
CHYMISTS THAT STRANGE CLASS OF MORTALS EQUAL VOLUMES - 9 -
Page 1: CHYMISTS: THAT STRANGE CLASS OF MOR
Page 4 and 5: “The chymists are a strange class
Page 6 and 7: WILLIAM B. JENSEN I SCEPTICAL CHYMI
Page 8 and 9: WILLIAM B. JENSEN II AIRS Joseph Pr
Page 10 and 11: WILLIAM B. JENSEN III ATOMIC MARBLE
Page 14 and 15: WILLIAM B. JENSEN V FOND DICTATOR J
Page 16 and 17: WILLIAM B. JENSEN VI PHOTO Louis Ja
Page 18 and 19: WILLIAM B. JENSEN VII THE ATTITUDE
Page 20 and 21: WILLIAM B. JENSEN VIII IN THE BEGIN
Page 22 and 23: WILLIAM B. JENSEN IX ANNALEN Justus
Page 24 and 25: WILLIAM B. JENSEN X BURNER Robert W
Page 26 and 27: WILLIAM B. JENSEN XI ATOMIC WEIGHT
Page 28 and 29: WILLIAM B. JENSEN XII TYPE Charles
Page 30 and 31: WILLIAM B. JENSEN XIII HISTORIAN He
Page 32 and 33: WILLIAM B. JENSEN XIV AMINE Charles
Page 34 and 35: WILLIAM B. JENSEN XV ASYMMETRIC Lou
Page 36 and 37: WILLIAM B. JENSEN XVI NASTY LITTLE
Page 38 and 39: WILLIAM B. JENSEN XVII MOLECULAR WE
Page 40 and 41: WILLIAM B. JENSEN XVIII ALCHEMY Mar
Page 42 and 43: WILLIAM B. JENSEN XIX BENZENE Fried
Page 44 and 45: WILLIAM B. JENSEN XX DEMON James Cl
Page 46 and 47: WILLIAM B. JENSEN XXI LIKE MOSES AN
Page 48 and 49: WILLIAM B. JENSEN XXII BUILDING BLO
Page 50 and 51: WILLIAM B. JENSEN XXIII STRAIN Joha
Page 52 and 53: WILLIAM B. JENSEN XXIV GET THE MAUV
Page 54 and 55: WILLIAM B. JENSEN XXV SUGAR Emil He
Page 56 and 57: WILLIAM B. JENSEN XXVI INERT Willia
Page 58 and 59: WILLIAM B. JENSEN XXVII ENERGY IS R
Page 60 and 61: WILLIAM B. JENSEN XXVIII STEREO Jac
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WILLIAM B. JENSEN XXIX CHARGED CROQ
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WILLIAM B. JENSEN XXX COORDINATED A
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WILLIAM B. JENSEN XXXI AMMONIA Frit
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WILLIAM B. JENSEN XXXII ROSES ARE R
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WILLIAM B. JENSEN XXXIII THE PAIRIN
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WILLIAM B. JENSEN XXXIV RELATIVE Al
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WILLIAM B. JENSEN XXXV THREE MEN IN
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WILLIAM B. JENSEN XXXVI RESONANCE I
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WILLIAM B. JENSEN XXXVII IHDEL THOU
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WILLIAM B. JENSEN XXXVIII QUADRUPLE
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WILLIAM B. JENSEN Appendix A Chemis
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WILLIAM B. JENSEN Hey diddle diddle
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WILLIAM B. JENSEN See saw, Pauling
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WILLIAM B. JENSEN Six extra electro
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WILLIAM B. JENSEN Hints for the Per
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Arrhenius, S. A. 54, 56, 58-59, ! !
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