Exercises in Chemistry: Systematically Arranged to Accompany the Second Revised Edition of "An Elementary Study of Chemistry"Ginn, 1919 - 147 σελίδες |
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Σελίδα viii
... Removal of Stains . 132 APPENDIX B Tables of Constants 134 The Metric System 135 Table of Solubilities 137 Treatment of Cuts and Wounds 138 Information regarding Apparatus and Chemicals 139-147 DIRECTIONS A list of the apparatus and ...
... Removal of Stains . 132 APPENDIX B Tables of Constants 134 The Metric System 135 Table of Solubilities 137 Treatment of Cuts and Wounds 138 Information regarding Apparatus and Chemicals 139-147 DIRECTIONS A list of the apparatus and ...
Σελίδα ix
... removed at once . All thermometer readings refer to the centigrade scale . Exercises or parts of exercises marked with a star may be omitted if time is not available for performing all the experiments . EXERCISES IN CHEMISTRY EXERCISE 1 ...
... removed at once . All thermometer readings refer to the centigrade scale . Exercises or parts of exercises marked with a star may be omitted if time is not available for performing all the experiments . EXERCISES IN CHEMISTRY EXERCISE 1 ...
Σελίδα 2
... remove it from the pan and pour into it , as nearly as possible , 10 cc . of distilled water ( measured in the graduated tube included in your laboratory outfit ) . Reweigh , and note the weight of the water . How do you account for the ...
... remove it from the pan and pour into it , as nearly as possible , 10 cc . of distilled water ( measured in the graduated tube included in your laboratory outfit ) . Reweigh , and note the weight of the water . How do you account for the ...
Σελίδα 3
... Remove the cardboard before it is ignited and from the scorched portions note the relative temperatures of different parts of the flame . Draw a diagram to illustrate your results . FIG . 2 b . To fit a tube with stopper and glass tube ...
... Remove the cardboard before it is ignited and from the scorched portions note the relative temperatures of different parts of the flame . Draw a diagram to illustrate your results . FIG . 2 b . To fit a tube with stopper and glass tube ...
Σελίδα 4
... remove it from the flame and quickly bend it to a right angle B ( Fig . 2 ) . Great care must be taken to heat the tube uniformly , otherwise the bore of the tube will be contracted ( A , B , Fig . 5 ) , forming a bend which is not only ...
... remove it from the flame and quickly bend it to a right angle B ( Fig . 2 ) . Great care must be taken to heat the tube uniformly , otherwise the bore of the tube will be contracted ( A , B , Fig . 5 ) , forming a bend which is not only ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
acetate alcohol ammonium hydroxide apparatus shown barium chloride beaker boiling bromide Bunsen flame calcium chloride carbon dioxide charcoal common salt compounds cool copper oxide copper sulfate cork crystals dish dissolved distilled water evaporate evaporating-dish EXERCISE experiment filter paper filtrate flask formed funnel tube glass plate glass rod glass tube hard-glass test tube hydrochloric acid insert iron laboratory limewater liquid litmus paper manganese dioxide Materials mixture mouth nitric acid Note the color Note the results odor phosphorus Place porcelain crucible potassium chlorate powdered precipitate PREPARATION AND PROPERTIES preparation of oxygen reaction red litmus paper remove residue ring stand rubber tubing screw clamp shake shown in Fig silver nitrate small beaker sodium carbonate sodium hydroxide sodium hydroxide solution solid soluble solution R. S. stand and burner starch stirring-rod stopper strips sulfuric acid temperature test tube volume watch glass weight wide-mouthed bottle wire wooden splint zinc
Δημοφιλή αποσπάσματα
Σελίδα 136 - Measures of Weight 10 milligrams (mg) =1 centigram eg 10 centigrams =1 decigram dg 10 decigrams =1 gram g 10 grams =1 dekagram Dg 10 dekagrams =1 hektogram Hg 10 hektograms =1 kilogram Kg...
Σελίδα 33 - Put one fourth of a test tube full of bone black into a small flask and pour over it about 50 cc. of water, to which has been added a few drops of a solution of litmus or of indigo.
Σελίδα 135 - Measures of Length 10 millimeters (mm) =1 centimeter cm 10 centimeters =1 decimeter dm 10 decimeters =1 meter m 10 meters =1 dekameter Dm 10 dekameters =1 hektometer Hm 10 hektometers =1 kilometer Km...
Σελίδα 134 - Aluminium Antimony Arsenic Barium Bismuth Boron Bromine Cadmium Calcium Carbon Chlorine Chromium Cobalt Copper Fluorine Gold Hydrogen Iodine Iron Lead Lithium Magnesium Manganese Mercury Nickel Nitrogen Oxygen Phosphorus Platinum Potassium Silicon Silver Sodium Strontium Sulphur Tin Zinc Sym.
Σελίδα 83 - Phosphorous acid. Pour into a test tube about 0.5 cc. of phosphorus trichloride (hood) and add a little water, a drop at a time. What gas is evolved (R) ? Finally, add about 5 cc. of water, pour the liquid into an evaporatingdish, and evaporate to a sirupy mass. Dilute this with a little water, transfer the solution to a test tube, and add a few drops of a solution of silver nitrate. Boil the resulting mixture. A black precipitate forms. Explain.