Chemistry: A Cultural ApproachHarper & Row, 1971 - 461 σελίδες For college or university students majoring in other than the natural sciences. |
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Σελίδα 70
... formulas to the left ( re- actants ) and the right ( products ) of the arrow . Since the unalterable formula for oxygen is O2 and the unalterable formula for mercury oxide is HgO , two units of the latter must be used to produce one ...
... formulas to the left ( re- actants ) and the right ( products ) of the arrow . Since the unalterable formula for oxygen is O2 and the unalterable formula for mercury oxide is HgO , two units of the latter must be used to produce one ...
Σελίδα 96
... formula : Na18.8 Cl29.0 O52.2 = Na0.818 Clo.818 03.27 23.0 35.5 16.0 This is a correct but inconvenient formula . We can simplify and yet retain the correct relative number of atoms by dividing all the subscripts by the value of the ...
... formula : Na18.8 Cl29.0 O52.2 = Na0.818 Clo.818 03.27 23.0 35.5 16.0 This is a correct but inconvenient formula . We can simplify and yet retain the correct relative number of atoms by dividing all the subscripts by the value of the ...
Σελίδα 107
... formula ? We do not know how many molecules of gas there are in a liter , but Avogadro's theory allows us to assume it constant , sym- bolized by n . Then n X mass of 1 molecule of unknown gas nX mass of 1 molecule of oxygen gas = 1.34 ...
... formula ? We do not know how many molecules of gas there are in a liter , but Avogadro's theory allows us to assume it constant , sym- bolized by n . Then n X mass of 1 molecule of unknown gas nX mass of 1 molecule of oxygen gas = 1.34 ...
Περιεχόμενα
INTRODUCTION | 1 |
FROM ARISTOTLE TO SEABORG | 19 |
FROM PROMETHEUS TO THE SPACE AGE | 59 |
Πνευματικά δικαιώματα | |
17 άλλες ενότητες δεν εμφανίζονται
Συχνά εμφανιζόμενοι όροι και φράσεις
alpha particle amino acids amount atmosphere atomic mass atomic number Avogadro's beta particle burning calx carbohydrates carbon atom cell chain Chapter chemical reactions chemistry chemists combined combustion compounds concept consequence contains covalent bonds crystal decay discussed electrical electrons elements energy levels entropy equation example experiments Figure fission formula gases gasoline glucose grams H H H heat human hydrocarbon hydrogen atom increase ions isoprene isotopes law of thermodynamics light liquid living material means metal modern mole molecular molecules nature neutrons nitrogen nuclear nucleus number of molecules observation orbitals organic oxide oxygen particles percent periodic table phlogiston phlogiston theory plants pollution polymer possible pressure problem produced properties proteins protons quantum mechanics quantum number radioactive react reactor recognize rubber sample scientific scientist second law solid structure substance suggests sulfur symmetry synthesis tartaric acid temperature theory tion units uranium volume wave wavelength