Suggestions to Teachers: Designed to Accompany the Elementary Principles of ChemistryD. Appleton, 1901 - 48 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 14
Pagina 3
... gram , the impracticability of the thing would be manifest . Not only this , but it would be folly to try to use such a balance if it were provided . One which weighs to the hundredth of a gram is all that is called for , and this is ...
... gram , the impracticability of the thing would be manifest . Not only this , but it would be folly to try to use such a balance if it were provided . One which weighs to the hundredth of a gram is all that is called for , and this is ...
Pagina 4
... grams of magnesium and 6.5 grams of zinc , as illustration of equivalent proportions . If he makes two determinations of the value for each metal , and finds that the value for zinc does not differ from that for magnesium more than one ...
... grams of magnesium and 6.5 grams of zinc , as illustration of equivalent proportions . If he makes two determinations of the value for each metal , and finds that the value for zinc does not differ from that for magnesium more than one ...
Pagina 10
... grams ; how do you know that ? How do you know that the weight was not 10.001 grams ? Do you know that it was not 10.01 ? How closely did you measure the quantity you have called 10 grams ? I do not generally give out the hundredth - gram ...
... grams ; how do you know that ? How do you know that the weight was not 10.001 grams ? Do you know that it was not 10.01 ? How closely did you measure the quantity you have called 10 grams ? I do not generally give out the hundredth - gram ...
Pagina 17
... grams of oxygen for 2.40 grams of magnesium . As an error of 0.02 in the weight of oxygen is multiplied by 2.4 in the final result of the first method and by 4.8 in the sec- ond , the range is fully as small as should be expected . In ...
... grams of oxygen for 2.40 grams of magnesium . As an error of 0.02 in the weight of oxygen is multiplied by 2.4 in the final result of the first method and by 4.8 in the sec- ond , the range is fully as small as should be expected . In ...
Pagina 21
... grams CO2 . CaCO3 + 2HCl = CO2 + CaCl2 + H2O . H2O . Ca = 39.7 C = 11.9 C = 11.9 2 O2 = 31.8 03 = 47.7 43.7 99.3 99.3 43.7y : 27.45 . y = 62.4 grams CaCO3 . 5. HgI , Hg = 2HgI . Hg = 198.5 I2 = 251.8 450.3 450.3 198.5 :: 90 : x . x ...
... grams CO2 . CaCO3 + 2HCl = CO2 + CaCl2 + H2O . H2O . Ca = 39.7 C = 11.9 C = 11.9 2 O2 = 31.8 03 = 47.7 43.7 99.3 99.3 43.7y : 27.45 . y = 62.4 grams CaCO3 . 5. HgI , Hg = 2HgI . Hg = 198.5 I2 = 251.8 450.3 450.3 198.5 :: 90 : x . x ...
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