Applied Chemistry: An Elementary Text Book for Secondary SchoolsC.V. Mosby Company, 1922 - 461 σελίδες |
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Σελίδα 25
... called . the Father of Physics and Chemistry , who was born in 1626 , advanced the theory that there is a large number of kinds of matter , how many no one knows . To these primary forms he gave the name of elements , and the truth of ...
... called . the Father of Physics and Chemistry , who was born in 1626 , advanced the theory that there is a large number of kinds of matter , how many no one knows . To these primary forms he gave the name of elements , and the truth of ...
Σελίδα 29
... called the cathode , or the road out . Often the Fig . 3. - The wire marked is the anode and the other is the cathode . anode is called the positive and the cathode the negative electrode . Now if the solution used be one of common salt ...
... called the cathode , or the road out . Often the Fig . 3. - The wire marked is the anode and the other is the cathode . anode is called the positive and the cathode the negative electrode . Now if the solution used be one of common salt ...
Σελίδα 32
... called iron sulphide . Exercises for Review 1. Do you believe Aristotle's statement about the globe of sand ? Give reason for your answer . Can 2. At the present time how is scientific truth obtained ? reason aid at all in the discovery ...
... called iron sulphide . Exercises for Review 1. Do you believe Aristotle's statement about the globe of sand ? Give reason for your answer . Can 2. At the present time how is scientific truth obtained ? reason aid at all in the discovery ...
Σελίδα 40
... called rock crystal , and galena . Crys- tals of artificial compounds are usually prepared by dis- solving the substance in water and allowing the water to evaporate . When this occurs , very often a consider- able portion of the water ...
... called rock crystal , and galena . Crys- tals of artificial compounds are usually prepared by dis- solving the substance in water and allowing the water to evaporate . When this occurs , very often a consider- able portion of the water ...
Σελίδα 41
... called water of com- bination or sometimes water of crystallization , and the compound thus formed is called a hydrate . Familiar ex- amples of hydrates are blue vitriol , Epsom salts , alum , sal soda , and green vitriol . TABLE ...
... called water of com- bination or sometimes water of crystallization , and the compound thus formed is called a hydrate . Familiar ex- amples of hydrates are blue vitriol , Epsom salts , alum , sal soda , and green vitriol . TABLE ...
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.