Suggestions to Teachers: Designed to Accompany the Elementary Principles of ChemistryD. Appleton, 1901 - 48 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 8
Pagina 12
... preferable for this and similar experiments . Number 15 / 4 - The oxidation of the lead is slow , espe- cially if the powder is coarse , and its result is not as con- spicuous as in the preceding illustrations . Still , the experi- ment ...
... preferable for this and similar experiments . Number 15 / 4 - The oxidation of the lead is slow , espe- cially if the powder is coarse , and its result is not as con- spicuous as in the preceding illustrations . Still , the experi- ment ...
Pagina 14
... preferably as a solid . The sticks should be broken in pieces about an inch long to avoid waste . Two or three of these in a bottleful or beakerful of water are enough . For counterpoising , clean gravel kept in a bottle on the side ...
... preferably as a solid . The sticks should be broken in pieces about an inch long to avoid waste . Two or three of these in a bottleful or beakerful of water are enough . For counterpoising , clean gravel kept in a bottle on the side ...
Pagina 16
... preferable , and , if it is tarnished , pieces of emery paper should be supplied at the side table to be used in cleaning the surface . It is important that the zinc be the granu- lated , c . p . , as already specified . The nitric acid ...
... preferable , and , if it is tarnished , pieces of emery paper should be supplied at the side table to be used in cleaning the surface . It is important that the zinc be the granu- lated , c . p . , as already specified . The nitric acid ...
Pagina 18
... 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 , be obtained of the proper size under the name " specimen tube ...
... 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 , be obtained of the proper size under the name " specimen tube ...
Pagina 25
... preferable , as in 41/3 and 41/4 , because the error in weighing has less effect on the final result . The book value for the weight of the liter of oxygen is 1.43 and for the specific gravity 15.9 . The students realize for the latter ...
... preferable , as in 41/3 and 41/4 , because the error in weighing has less effect on the final result . The book value for the weight of the liter of oxygen is 1.43 and for the specific gravity 15.9 . The students realize for the latter ...
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