Suggestions to Teachers: Designed to Accompany the Elementary Principles of ChemistryD. Appleton, 1901 - 48 pagini |
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Pagina 11
... dealers ' catalogues as " iron by alcohol . " Unfortunately , when treated with hydro- chloric acid the gas often makes a stain on the lead paper . Number 13 / 3. - The nitric acid is supplied on the side table . The concentrated ...
... dealers ' catalogues as " iron by alcohol . " Unfortunately , when treated with hydro- chloric acid the gas often makes a stain on the lead paper . Number 13 / 3. - The nitric acid is supplied on the side table . The concentrated ...
Pagina 12
... dealers only in the chemically pure grade . This is much more expensive , and the purity is not needed . In lieu of this , 100 - mesh powder of commercial grade seems to serve the purpose . Even the still coarser powder will react if ...
... dealers only in the chemically pure grade . This is much more expensive , and the purity is not needed . In lieu of this , 100 - mesh powder of commercial grade seems to serve the purpose . Even the still coarser powder will react if ...
Pagina 13
... dealers ' catalogues with the scale up to 150 ° C. engraved on the stem . They vary a good deal in their readings , and therefore it is useful to attach a num- bered tag to each , in order that the student may use one thermometer ...
... dealers ' catalogues with the scale up to 150 ° C. engraved on the stem . They vary a good deal in their readings , and therefore it is useful to attach a num- bered tag to each , in order that the student may use one thermometer ...
Pagina 18
... dealers supply under the name of " dissolving - tubes " what is preferable to the common test- tube , being of a little heavier glass and of smaller diameter for the length . The size 9 x inches is used . The unit- tube may , perhaps ...
... dealers supply under the name of " dissolving - tubes " what is preferable to the common test- tube , being of a little heavier glass and of smaller diameter for the length . The size 9 x inches is used . The unit- tube may , perhaps ...
Pagina 24
... dealers . The upper stopper is cork , the lower one of rubber . A foot - rule may be used for linear measurements . The calculation of results I have not given in full , deeming it better to let the pupil try , at least , to reason it ...
... dealers . The upper stopper is cork , the lower one of rubber . A foot - rule may be used for linear measurements . The calculation of results I have not given in full , deeming it better to let the pupil try , at least , to reason it ...
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