Suggestions to Teachers: Designed to Accompany the Elementary Principles of ChemistryD. Appleton, 1901 - 48 pagini |
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Pagina 13
... piece of charcoal or a soft lead - pencil . Number 34 / 1. - The mercuric sulphocyanate I keep at my table and give to each student his portion as he brings his dish . The substance is not much in use , and there may be some difficulty ...
... piece of charcoal or a soft lead - pencil . Number 34 / 1. - The mercuric sulphocyanate I keep at my table and give to each student his portion as he brings his dish . The substance is not much in use , and there may be some difficulty ...
Pagina 34
... piece of rubber hose . Fill the chimney with gas and ignite the latter at the hole in the asbestos board , so regulating that there is a small flame . Push up the sliding tube until its open end is about one half inch from the flame ...
... piece of rubber hose . Fill the chimney with gas and ignite the latter at the hole in the asbestos board , so regulating that there is a small flame . Push up the sliding tube until its open end is about one half inch from the flame ...
Pagina 38
... piece of phosphorus to each student as it is called for . Some additional illustrations may be made on the lecture table ; for example , a small fragment of phosphorus covered with powdered charcoal or bone black takes fire in a few ...
... piece of phosphorus to each student as it is called for . Some additional illustrations may be made on the lecture table ; for example , a small fragment of phosphorus covered with powdered charcoal or bone black takes fire in a few ...
Pagina 39
... piece of filter paper which has been dipped in turpentine ; the latter should be heated nearly to boiling immediately before the paper is immersed in it , in order that it shall burst into flame when dropped in the chlorine . Sometimes ...
... piece of filter paper which has been dipped in turpentine ; the latter should be heated nearly to boiling immediately before the paper is immersed in it , in order that it shall burst into flame when dropped in the chlorine . Sometimes ...
Pagina 40
... piece of window glass . The box is placed on end and a lighted taper supported by a flat cork is put inside , also about a teaspoonful of flour or starch . The nozzle of a pair of bellows is inserted through a hole in the side of the ...
... piece of window glass . The box is placed on end and a lighted taper supported by a flat cork is put inside , also about a teaspoonful of flour or starch . The nozzle of a pair of bellows is inserted through a hole in the side of the ...
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