Essentials of ChemistryB.J. Sanborn & Company, 1912 - 505 σελίδες |
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Σελίδα 27
... result the quantity of oxygen in the air is kept practically constant . uses . 34. Exercises . 1. How many grams of mercury and of oxygen will be formed by the decomposition of 43.2 grams of mercuric oxide ? 2. How many grams of ...
... result the quantity of oxygen in the air is kept practically constant . uses . 34. Exercises . 1. How many grams of mercury and of oxygen will be formed by the decomposition of 43.2 grams of mercuric oxide ? 2. How many grams of ...
Σελίδα 79
... result is that A has replaced C , and D has replaced B. An excellent illustration of double decomposition is the reac- tion of mercuric chloride with potassium iodide ( cf. § 4 ) . When these substances are triturated , i . e . , ground ...
... result is that A has replaced C , and D has replaced B. An excellent illustration of double decomposition is the reac- tion of mercuric chloride with potassium iodide ( cf. § 4 ) . When these substances are triturated , i . e . , ground ...
Σελίδα 85
... relative positions . As a result , a solid has a definite form . Molecular motion has not ceased , however , although solids diffuse into other solids very slowly . A case of " solid diffusion was the formation of the alloy ,
... relative positions . As a result , a solid has a definite form . Molecular motion has not ceased , however , although solids diffuse into other solids very slowly . A case of " solid diffusion was the formation of the alloy ,
Σελίδα 139
... results let us write them down together : ( 1 ) One gram - atomic weight of hydrogen ( 1 gram ) was re- placed by 32.7 ... result is sufficiently accurate to enable us to decide that the molecular weight of zinc chloride is 136.4 rather ...
... results let us write them down together : ( 1 ) One gram - atomic weight of hydrogen ( 1 gram ) was re- placed by 32.7 ... result is sufficiently accurate to enable us to decide that the molecular weight of zinc chloride is 136.4 rather ...
Σελίδα 204
... result , the reaction goes on until practically complete ( cf. § 213 ) . In each of these cases only half of the hydrogen of sulphuric acid is replaced by the metallic element . If the temperature is raised considerably , a second ...
... result , the reaction goes on until practically complete ( cf. § 213 ) . In each of these cases only half of the hydrogen of sulphuric acid is replaced by the metallic element . If the temperature is raised considerably , a second ...
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Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
acid cf action agent alkali aluminum ammonia ammonium antimony arsenic atmosphere atomic weight barium boiling bromine burning calcium chloride called carbon dioxide carbon monoxide chemical change chloric acid color colorless combustion compounds concentrated condensed contains copper crystals cupric decomposed decomposition dilute sulphuric acid dissociation dissolved distillation electrolysis elements equation equivalent weight ferric ferrous flame formed formula gaseous gases give gram-molecular weight H₂O heat hence HNO3 hydro hydrochloric acid hydrogen chloride hydrogen peroxide hydrogen sulphide insoluble iodide iodine ions iron liquid liter magnesium manganese dioxide melting mercury metals method mixture molecular weight molecules nitrate nitric acid nitrogen ordinary temperature oxide oxygen pentoxide phosphate phosphorus platinum potassium chlorate powder precipitated pressure produced proportions reaction reacts salt silicate silicon silver sodium carbonate sodium chloride sodium hydroxide solid soluble solution solvent specific gravity standard conditions steam substances sulphate sulphur dioxide sulphuric acid trioxide tube unite valence vapor
Δημοφιλή αποσπάσματα
Σελίδα 507 - Aluminum Antimony Argon Arsenic Barium Beryllium Bismuth Boron Bromine Cadmium Calcium Carbon Cerium Cesium Chlorine Chromium Cobalt Columbium Copper Dysprosium Erbium Europium Fluorine Gadolinium Gallium Germanium Gold Hafnium Helium Holmium Hydrogen Indium Iodine Iridium Iron Krypton Lanthanum Lead Lithium Lutecium Magnesium Manganese Mercury...
Σελίδα 507 - Radium Radon Rhenium Rhodium Rubidium Ruthenium Samarium Scandium Selenium Silicon Silver Sodium Strontium Sulfur Tantalum Technetium Tellurium Terbium Thallium Thorium Thulium Tin Titanium Tungsten Uranium Vanadium Xenon Ytterbium...
Σελίδα 122 - Avogadro's law states that equal volumes of all gases at the same temperature and pressure contain the same number of molecules...
Σελίδα 507 - CAPACITY 10 milliliters (ml.) = 1 centiliter (cl.) 10 centiliters = 1 deciliter (dl.) 10 deciliters = 1 liter (1) 10 liters = 1 dekaliter (Dl.) 10 dekaliters = 1 hectoliter (HI.) 10 hectoliters...
Σελίδα 507 - 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 349 - Mendeleeff, which states that the properties of the elements are periodic functions of their atomic weights.
Σελίδα 80 - Two elements may combine in more than one proportion by weight, but if so, the weights of one element which combine with a fixed weight of the other element, are always in a simple ratio to each other.
Σελίδα 60 - Therefore, it may be stated in general that the boiling point of a liquid is the temperature at which the vapor pressure of a liquid becomes equal to the external pressure acting upon the surface of the liquid.
Σελίδα 53 - two volumes of hydrogen unite with one volume of oxygen to form two volumes of steam when the gases are all measured at the same temperature and pressure.
Σελίδα 42 - The rates of diffusion of two gases are inversely proportional to the square roots of the densities of the gases.