The Elements of Chemical Arithmetic: With a Short System of Elementary Qualitative Analysis

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D.C. Heath & Company, 1886 - Analytical chemistry - 91 pages
 

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Page 4 - Equal volumes of all gases, simple as well as compound, under like conditions of temperature and pressure, contain the same number of molecules.
Page 3 - It leads him to observe, to experiment, to think, to originate. Coming as it does from the working laboratory of a practical instructor, who has had the constant advice of fellow-teachers in all parts of the country, this text may be fairly taken as an exponent of the latest methods of teaching chemistry. Its distinctive features are : experimental and inductive methods ; the union of descriptive and qualitative chemistry, thus allowing these kindred branches to supplement and illustrate each other...
Page 12 - Polybasic acids can form normal, acid, and double salts. 34. Chemical Equations. A chemical equation is the expression in symbols of a chemical reaction, or change. The sign plus (+) indicates added to, and the sign minus ( — ), taken from, and the sign of equality (=), equals to. The equation must be a true equation; that is, the sum of the weights of the atoms on one side must equal the sum of the weights of the atoms on the other side. 35. The substances entering into the reaction are called...

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