Suggestions to Teachers: Designed to Accompany the Elementary Principles of ChemistryD. Appleton, 1901 - 48 pagini |
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Pagina 14
... sodium hydroxide is supplied on the side table , preferably as a solid . The sticks should be broken in pieces about an inch long to avoid waste . Two or three of these in a bottleful or beakerful of water are enough . For ...
... sodium hydroxide is supplied on the side table , preferably as a solid . The sticks should be broken in pieces about an inch long to avoid waste . Two or three of these in a bottleful or beakerful of water are enough . For ...
Pagina 28
... sodium acetate is that designated by dealers as fused , granular , pure . The potassium tartrate ( not acid tartrate ) is granular or powdered , and pure . The potassium chlo- ride and ammonium chloride are likewise used in granular ...
... sodium acetate is that designated by dealers as fused , granular , pure . The potassium tartrate ( not acid tartrate ) is granular or powdered , and pure . The potassium chlo- ride and ammonium chloride are likewise used in granular ...
Pagina 29
... sodium carbonate is designated as dry and chemically pure in the dealers ' catalogues . It is first heated gently as a precaution , although probably dry enough without heating . There is need of care that the heating be not excessive ...
... sodium carbonate is designated as dry and chemically pure in the dealers ' catalogues . It is first heated gently as a precaution , although probably dry enough without heating . There is need of care that the heating be not excessive ...
Pagina 30
... sodium oxide 2.92 grams . The average result is likely to be about 7.75 for the former and 2.82 for the latter . These values reckoned as percentages give 46 for carbon dioxide and 56.4 for sodium oxide . The true percentages are 41.5 ...
... sodium oxide 2.92 grams . The average result is likely to be about 7.75 for the former and 2.82 for the latter . These values reckoned as percentages give 46 for carbon dioxide and 56.4 for sodium oxide . The true percentages are 41.5 ...
Pagina 33
... sodium acetate as directed in Number 127/2 . This small scale of preparation is suffi- cient . Number 280. - The calcium carbide is easily obtainable . It should be supplied on the side table in only small quan- tities , and the main ...
... sodium acetate as directed in Number 127/2 . This small scale of preparation is suffi- cient . Number 280. - The calcium carbide is easily obtainable . It should be supplied on the side table in only small quan- tities , and the main ...
Alte ediții - Afișează-le pe toate
Suggestions to Teachers: Designed to Accompany the Elementary Principles of ... A. V. E. Young Nu există previzualizare disponibilă - 2015 |
Suggestions to Teachers: Designed to Accompany the Elementary Principles of ... Abram Eps Van Young Nu există previzualizare disponibilă - 2016 |
Suggestions to Teachers: Designed to Accompany the Elementary Principles of ... A. V. E. Young Nu există previzualizare disponibilă - 2018 |
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