Suggestions to Teachers: Designed to Accompany the Elementary Principles of ChemistryD. Appleton, 1901 - 48 pagini |
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Pagina 29
... combining weight ; while the value 1.35 grams for the oxygen gives 29.4 and 117.6 respectively . The book value for ... combining weight ? What would be the formula of this oxide of tin , if 29.5 were chosen as the combining weight of ...
... combining weight ; while the value 1.35 grams for the oxygen gives 29.4 and 117.6 respectively . The book value for ... combining weight ? What would be the formula of this oxide of tin , if 29.5 were chosen as the combining weight of ...
Pagina 31
... combining weight 45.7 . approximate combining = 5. 10.7 x 14.4 X 2 308 weight of the chloride . 6.2 0.11454 = approximate combining weight of iron . 65.76 : 34.24 :: 35.2 : x = 18.33 = exact equivalent weight of iron . 18.33 × 3 = 55.99 ...
... combining weight 45.7 . approximate combining = 5. 10.7 x 14.4 X 2 308 weight of the chloride . 6.2 0.11454 = approximate combining weight of iron . 65.76 : 34.24 :: 35.2 : x = 18.33 = exact equivalent weight of iron . 18.33 × 3 = 55.99 ...
Pagina 36
... combining weights 16.9 : 39.8 . 7. 105.4 ( 84.5 × 2 ) :: x : 10 . x = 6.237 grams Na2CO3 . ( 58.1 x 2 ) : 105.4 :: 10 x 9.07 grams NaCO3 . 8. 11.9 : 105.4 :: 1 : x = 8.857 grams Na2CO3 . 9. 11.9 ( 40 × 2 ) :: 1 x 6.72 grams MgO . 10 ...
... combining weights 16.9 : 39.8 . 7. 105.4 ( 84.5 × 2 ) :: x : 10 . x = 6.237 grams Na2CO3 . ( 58.1 x 2 ) : 105.4 :: 10 x 9.07 grams NaCO3 . 8. 11.9 : 105.4 :: 1 : x = 8.857 grams Na2CO3 . 9. 11.9 ( 40 × 2 ) :: 1 x 6.72 grams MgO . 10 ...
Pagina 42
... combining weights - i . e . , 84.5 : 100.4 , or 1 : 1.19 . 12. MgO ; 40 : 55.6 , or 1 : 1.39 . Number 601. - Equations completed : Fe + 2HCl = FeCl2 + 2H . Fe + H2SO , - FeSO4 + 2H . 6 FeSO4 + 8HNO3 = 2Fe2 ( SO4 ) 3 + 2NO + Fe2 ( NO3 ) ...
... combining weights - i . e . , 84.5 : 100.4 , or 1 : 1.19 . 12. MgO ; 40 : 55.6 , or 1 : 1.39 . Number 601. - Equations completed : Fe + 2HCl = FeCl2 + 2H . Fe + H2SO , - FeSO4 + 2H . 6 FeSO4 + 8HNO3 = 2Fe2 ( SO4 ) 3 + 2NO + Fe2 ( NO3 ) ...
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Termeni și expresii frecvente
2H₂O 2HCl 2NaOH acetylene alcohol Ammonium chloride apparatus APPLETON AND COMPANY barium chloride Botany bottle Boyle's Law CaCl2 calcium carbide carbonate catalogues cents Charles's Law chemical chlorate class results class room Clodd Cloth CO₂ College color combining weight Combustion commercial cork crys dealers diameter dilute dioxide dust Evaporating dish experiment flame give glass grams Green & Company H₂O heat hydrochloric acid hydrogen hydroxide ignite Illustrations inches instructor iodine laboratory lecture table liters magnesium matter mercury method MgSO4 naphthalene nitrate nitric acid Number oxide oxygen paper phosphorus Plant Relations potassium potassium chlorate powd powder preferable PRINCIPLES OF CHEMISTRY Professor pupil pure quantitative result quantity quizzing ratio reaction recommended rubber sample SHELDON AMOS side table sodium Sodium carbonate sodium oxide solution specific gravity stopper student sulphuric acid supplied temperature test-tubes tion topics tube TWENTIETH CENTURY TEXT-BOOKS University volume zinc