Suggestions to Teachers: Designed to Accompany the Elementary Principles of ChemistryD. Appleton, 1901 - 48 pagini |
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Pagina 4
... served its purpose to bring to his observa- tion and to impress upon his mind the relation of equiva- lency within the limits of his observational accuracy . It should not be forgotten that this careful consideration of the limitations ...
... served its purpose to bring to his observa- tion and to impress upon his mind the relation of equiva- lency within the limits of his observational accuracy . It should not be forgotten that this careful consideration of the limitations ...
Pagina 11
... concentrated commercial article , specific grav- ity 1.38 , or 40 ° Baumé , serves the purpose . The gas may bubble quite rapidly through the acid and still give a good result . Number 15 / 1. - In the pupil's hands this LI ...
... concentrated commercial article , specific grav- ity 1.38 , or 40 ° Baumé , serves the purpose . The gas may bubble quite rapidly through the acid and still give a good result . Number 15 / 1. - In the pupil's hands this LI ...
Pagina 12
... 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 form of ribbon preferable for this and similar experiments . Number 15 / 4 ...
... 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 form of ribbon preferable for this and similar experiments . Number 15 / 4 ...
Pagina 14
... serve all the class , in order to insure uniformity of sample for the whole ex- periment . The ammonium hydroxide is the commercial article , “ F F F , ” 16 ° Baumé , or specific gravity 0.96 , used without dilution . Both substances ...
... serve all the class , in order to insure uniformity of sample for the whole ex- periment . The ammonium hydroxide is the commercial article , “ F F F , ” 16 ° Baumé , or specific gravity 0.96 , used without dilution . Both substances ...
Pagina 23
... 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 pouring mercury into the gasometric tube until one half or two ...
... 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 pouring mercury into the gasometric tube until one half or two ...
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