Suggestions to Teachers: Designed to Accompany the Elementary Principles of ChemistryD. Appleton, 1901 - 48 pagini |
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Pagina 9
... nipulation of sorting the lumps , corking the test - tube while holding it in the full palm to avoid the danger of crushing , then of wiping and of weighing . It is recommended that pupils be called on in the SUGGESTIONS TO TEACHERS.
... nipulation of sorting the lumps , corking the test - tube while holding it in the full palm to avoid the danger of crushing , then of wiping and of weighing . It is recommended that pupils be called on in the SUGGESTIONS TO TEACHERS.
Pagina 10
... tube filled with water from the weight of the tube contain- ing water and sulphur and calling the difference the weight of the water displaced . Since the specific gravity of sul- phur is 2 , this error still gives a good numerical ...
... tube filled with water from the weight of the tube contain- ing water and sulphur and calling the difference the weight of the water displaced . Since the specific gravity of sul- phur is 2 , this error still gives a good numerical ...
Pagina 14
... taxed 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.
... taxed 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 18
... 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 , " but it is easily made to ...
... 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 , " but it is easily made to ...
Pagina 23
... they are put into position . This is done by pouring mercury into the gasometric tube until one half or two thirds full , closing with the thumb , and inverting in a sufficiently wide and shallow dish of mercury . From this LIB ...
... they are put into position . This is done by pouring mercury into the gasometric tube until one half or two thirds full , closing with the thumb , and inverting in a sufficiently wide and shallow dish of mercury . From this LIB ...
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