Applied Chemistry: An Elementary Text Book for Secondary SchoolsC.V. Mosby Company, 1922 - 461 σελίδες |
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Αποτελέσματα 1 - 5 από τα 72.
Σελίδα 17
... nature 47 52 10. Preparation of oxygen 53 11. Preparing oxygen from sodium peroxide 54 12. Boiling water in paper cup 57 13. Machine for making ozone 59 14. Electromotive series of metals and bar magnet with iron filings attached 15 ...
... nature 47 52 10. Preparation of oxygen 53 11. Preparing oxygen from sodium peroxide 54 12. Boiling water in paper cup 57 13. Machine for making ozone 59 14. Electromotive series of metals and bar magnet with iron filings attached 15 ...
Σελίδα 21
... nature . Some few survive the rebuffs and repressions of child- hood and to them nature ever speaks in loving and 21 CONTENTS CHAPTER I A STUDY OF MATTER 21.
... nature . Some few survive the rebuffs and repressions of child- hood and to them nature ever speaks in loving and 21 CONTENTS CHAPTER I A STUDY OF MATTER 21.
Σελίδα 22
... nature may speak the more intelligibly ; such that those who read may not only add to their own pleasures but contribute to the welfare and happiness of all who may come under their influence . 2. Source of Scientific Knowledge . There ...
... nature may speak the more intelligibly ; such that those who read may not only add to their own pleasures but contribute to the welfare and happiness of all who may come under their influence . 2. Source of Scientific Knowledge . There ...
Σελίδα 26
... product will partake of the nature of each in- gredient . Two white substances will give a white pro- duct , a red and white will give a pink , a white and black a gray . But if two substances differing from each 26 APPLIED CHEMISTRY.
... product will partake of the nature of each in- gredient . Two white substances will give a white pro- duct , a red and white will give a pink , a white and black a gray . But if two substances differing from each 26 APPLIED CHEMISTRY.
Σελίδα 32
... Nature's laws ? Explain . 3. What was the old idea regarding the relation of water to air ? What facts had they to cause such a belief ? 4. What is meant by transmutation ? What led the ancient phil- osophers to believe in such a thing ...
... Nature's laws ? Explain . 3. What was the old idea regarding the relation of water to air ? What facts had they to cause such a belief ? 4. What is meant by transmutation ? What led the ancient phil- osophers to believe in such a thing ...
Άλλες εκδόσεις - Προβολή όλων
Applied Chemistry: An Elementary Text Book for Secondary Schools (Classic ... Fredus N. Peters Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Applied Chemistry: An Elementary Text Book for Secondary Schools (Classic ... Fredus N. Peters Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
Συχνά εμφανιζόμενοι όροι και φράσεις
2H₂O alcohol alkali alloys alum aluminum ammonia ammonium amount antimony arsenic arsine atomic weight blue boiling bromine burning calcium called carbon dioxide carbon monoxide cent Characteristics chemical coal color combustion common salt compounds contain copper crystals decomposed dissolved elements equation Exercises for Review ferric ferrous flame foods formula furnace gases Give glass grams H₂O H₂SO heat hence hydrate hydrochloric acid hydrogen chloride hydroxide ignited iodine ions iron known light lime liquid liter magnesium melting mercury metal method mixed mixture molecular weight molecules monoxide Name nitrate nitric acid nitrogen obtained occurs oxide oxygen ozone phosphorus platinum potassium potassium chlorate pounds powder prepared pressure produced quantities reaction removed seen silicate silver soap soda sodium carbonate sodium hydroxide solid soluble in water solution starch substances sugar sulphate sulphide sulphur dioxide sulphuric acid temperature tion tube usually valence vapor variety volume yellow zinc zine
Δημοφιλή αποσπάσματα
Σελίδα 173 - ... gas may be expelled from a liquid, viz. : 1. When the liquid is supersaturated, the excess gas is expelled. 2. By heating the liquid, when some of the gas is expelled due to an increase in its volume. 3. By pressure reduction, as in the Elmore vacuum process, where, according to the law of Henry,14 "the amount of gas dissolved by a liquid is proportional to the pressure to which the gas is subjected.
Σελίδα 100 - Weights. — The molecular weight of a substance is the sum of the weights of the atoms constituting a molecule of that particular substance.
Σελίδα 251 - ... in the form of a fine powder, known as flowers of sulphur, and composed of minute crystals.
Σελίδα 266 - In this way he had lithium, glucinum, boron, carbon, nitrogen, oxygen, fluorine, sodium, magnesium, aluminum, silicon, phosphorus, sulphur, chlorine, potassium, calcium, and so on.
Σελίδα 96 - Risteen's work upon molecules (now for many years a standard authority), the distance from the center of one molecule to the center of its neighbor is put, on the average, as ten times the molecular diameter.
Σελίδα 101 - Avogadro that equal volumes of all gases under the same pressure and temperature contain the same number of molecules.
Σελίδα 89 - In the mercurial barometer at sea level, the pressure of the air supports a column of mercury 30 inches in height or, in other words, the weight of 30 inches of mercury.
Σελίδα 266 - Mendeleeff arranged the elements in the order of their atomic weights, beginning with the lightest, but omitting hydrogen.
Σελίδα 384 - Orichalcum may be defined as an alloy of copper and zinc in which the proportion of zinc is high enough to give it a color that is appreciably different from that of copper, and in which the proportion of any other metal, or combination of other metals, is considerably lower than that of the zinc.
Σελίδα 26 - Per Cent Oxygen 49.98 Silicon 25.30 Aluminum 7.26 Iron 5.08 Calcium 3.51 Magnesium , 2.50 Sodium 2.28 Potassium 2.23 Hydrogen 0.94 Titanium 0.30 Carbon 0.21 Chlorine and Bromine 0.15 Phosphorus 0.09 Manganese 0.07 All others . 0.10 Total 100.00 Table II.