Essentials of ChemistryB.J. Sanborn & Company, 1912 - 505 σελίδες |
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Αποτελέσματα 1 - 5 από τα 100.
Σελίδα 1
... called properties . Among the properties of a substance are its odor , taste , color , melting temperature , boiling temperature , ability or inability to dissolve , burn , etc. 2. Changes in Substances . The changes that substances ...
... called properties . Among the properties of a substance are its odor , taste , color , melting temperature , boiling temperature , ability or inability to dissolve , burn , etc. 2. Changes in Substances . The changes that substances ...
Σελίδα 3
... called a re- action . The substances which react are called reagents , or factors . The substances formed are the products . Thus , when copper is treated with con-
... called a re- action . The substances which react are called reagents , or factors . The substances formed are the products . Thus , when copper is treated with con-
Σελίδα 4
... called gravity . The mass of a body is the quantity of matter in it . At a given place , the mass of a body is measured by its weight . The weight may change as the earth's attraction for the body changes . Thus , bodies weigh most at ...
... called gravity . The mass of a body is the quantity of matter in it . At a given place , the mass of a body is measured by its weight . The weight may change as the earth's attraction for the body changes . Thus , bodies weigh most at ...
Σελίδα 5
... called a force . Gravity , steam , and the wind are forces . Mat- ter under the influence of a force can do work upon other matter , and is said to possess energy . " Thus , falling water drives a mill - wheel ; it has energy . The wind ...
... called a force . Gravity , steam , and the wind are forces . Mat- ter under the influence of a force can do work upon other matter , and is said to possess energy . " Thus , falling water drives a mill - wheel ; it has energy . The wind ...
Σελίδα 6
... called com- pound substances , or compounds . There are , how- ever , between seventy and eighty substances which we are unable to decompose , with our present meth- ods ; these are called elements . The thousands of compounds known are ...
... called com- pound substances , or compounds . There are , how- ever , between seventy and eighty substances which we are unable to decompose , with our present meth- ods ; these are called elements . The thousands of compounds known are ...
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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.