Suggestions to Teachers: Designed to Accompany the Elementary Principles of ChemistryD. Appleton, 1901 - 48 pagini |
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Pagina 18
... easily obtained , and it is a small matter to graduate these with sufficient accu- racy , using graduated flasks , and placing a mark with a file or a diamond at the proper point of the neck . This effects a considerable economy over ...
... easily obtained , and it is a small matter to graduate these with sufficient accu- racy , using graduated flasks , and placing a mark with a file or a diamond at the proper point of the neck . This effects a considerable economy over ...
Pagina 23
... easily obtained . For economy they may be broken in two and still serve . Pupils will often carelessly lift the tubes too high and let the air out . It is quite a puzzle to them to see how they are put into position . This is done by ...
... easily obtained . For economy they may be broken in two and still serve . Pupils will often carelessly lift the tubes too high and let the air out . It is quite a puzzle to them to see how they are put into position . This is done by ...
Pagina 24
... easily be obtained of 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 ...
... easily be obtained of 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 ...
Pagina 27
... easily practicable means of illustrating experi- mentally the phenomena involved in Raoult's Laws . The limitation in thermometric reading , as in the specific heat experiment , prevents a good quantitative result . But when the student ...
... easily practicable means of illustrating experi- mentally the phenomena involved in Raoult's Laws . The limitation in thermometric reading , as in the specific heat experiment , prevents a good quantitative result . But when the student ...
Pagina 28
... easily obtainable . The white powder which appears as the first product of the reaction with nitric acid is metastannic acid . Its probable composition is 5Sn0,5H2O . The final product is SnO2 . The reaction is sufficiently expressed by ...
... easily obtainable . The white powder which appears as the first product of the reaction with nitric acid is metastannic acid . Its probable composition is 5Sn0,5H2O . The final product is SnO2 . The reaction is sufficiently expressed by ...
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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