Suggestions to Teachers: Designed to Accompany the Elementary Principles of ChemistryD. Appleton, 1901 - 48 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 11
Pagina 5
... conditions . But four periods a week may not always mean the same amount of available time . Sessions limited to one hour or less are very uneconomical of time for laboratory study , and make it almost impracticable . Two , or at least ...
... conditions . But four periods a week may not always mean the same amount of available time . Sessions limited to one hour or less are very uneconomical of time for laboratory study , and make it almost impracticable . Two , or at least ...
Pagina 11
... condition , it is , of course , important that the sam- ple shall be well dried before it is weighed , hence the direc- tion to string it out ; otherwise the drying is difficult . Numbers 12 , and 12/2 , I do not allow the class to per ...
... condition , it is , of course , important that the sam- ple shall be well dried before it is weighed , hence the direc- tion to string it out ; otherwise the drying is difficult . Numbers 12 , and 12/2 , I do not allow the class to per ...
Pagina 13
... condition is not specified in the direc- tions , but if the student deliberates on his problem as he should , his common sense will suggest the need . When I find that this is overlooked , I like to suggest it by questions like these ...
... condition is not specified in the direc- tions , but if the student deliberates on his problem as he should , his common sense will suggest the need . When I find that this is overlooked , I like to suggest it by questions like these ...
Pagina 19
... conditions of the experiment the rise of temperature is about 5 ° , which gives a neutralization heat of 25,000 cal . This is about the book value . A variation of 0.5 ° in the reading makes a difference of 2,500 in the final result ...
... conditions of the experiment the rise of temperature is about 5 ° , which gives a neutralization heat of 25,000 cal . This is about the book value . A variation of 0.5 ° in the reading makes a difference of 2,500 in the final result ...
Pagina 26
... conditions . The intermediate bottles called for in 81/2 are two - gallon pack- ing bottles . They are fitted beforehand with rubber stop- pers and connecting tubes , and are supplied in considerable number , serving from year to year ...
... conditions . The intermediate bottles called for in 81/2 are two - gallon pack- ing bottles . They are fitted beforehand with rubber stop- pers and connecting tubes , and are supplied in considerable number , serving from year to year ...
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