Suggestions to Teachers: Designed to Accompany the Elementary Principles of ChemistryD. Appleton, 1901 - 48 pagini |
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Pagina 3
... needed for the quanti- tative experiment illustrating multiple proportions , does it follow that the time is spent to better advantage in the former ? Indeed , there may be positive gain in the fact . that the student must work slowly ...
... needed for the quanti- tative experiment illustrating multiple proportions , does it follow that the time is spent to better advantage in the former ? Indeed , there may be positive gain in the fact . that the student must work slowly ...
Pagina 6
... needed for the several portions of the course : Chapter I , 6 weeks . Chapter II , 6 weeks . Chapters III and IV , 2 weeks . Chapter V , Law 1 , 3 weeks ; Laws 2 and 3 , 1 week ; Laws 4 and 5 , 2 weeks . Chapter VI and VII , 3 weeks ...
... needed for the several portions of the course : Chapter I , 6 weeks . Chapter II , 6 weeks . Chapters III and IV , 2 weeks . Chapter V , Law 1 , 3 weeks ; Laws 2 and 3 , 1 week ; Laws 4 and 5 , 2 weeks . Chapter VI and VII , 3 weeks ...
Pagina 12
... needed . In lieu of this , 100 - mesh powder of commercial grade seems to serve the purpose . Even the still coarser powder will react if the heat is applied slowly and the mixture shaken . Number 15 / 2 - I have found magnesium in the ...
... needed . In lieu of this , 100 - mesh powder of commercial grade seems to serve the purpose . Even the still coarser powder will react if the heat is applied slowly and the mixture shaken . Number 15 / 2 - I have found magnesium in the ...
Pagina 14
... somewhat to " note carefully the volume of acid used . " If I find them blundering , I suggest that they fill the tube to a marked strip , pour out what is needed , and mark the level of the 14 THE ELEMENTARY PRINCIPLES OF CHEMISTRY.
... somewhat to " note carefully the volume of acid used . " If I find them blundering , I suggest that they fill the tube to a marked strip , pour out what is needed , and mark the level of the 14 THE ELEMENTARY PRINCIPLES OF CHEMISTRY.
Pagina 15
Abram Van Eps Young. what is needed , and mark the level of the residue by a second strip . The directions are worded on the supposi- tion that test - tubes with gummed strips are used for meas- uring . About one half of a test - tubeful ...
Abram Van Eps Young. what is needed , and mark the level of the residue by a second strip . The directions are worded on the supposi- tion that test - tubes with gummed strips are used for meas- uring . About one half of a test - tubeful ...
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