# The Arithmetic of Chemistry: Being a Simple Treatment of the Subject of Chemical Calculations

Macmillan Company, 1915

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Page 48 - Hypothesis states that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules.
Page 123 - Thus, the reduction of the value of the modulus between the melting point of ice and the boiling point of water is...
Page 139 - This is a book that should be in the library of every teacher of organic chemistry, and one which will no doubt be of great value to students in their second year of organic chemistry. Its chief peculiarity and merit is in the great stress laid on practical laboratory work.
Page 139 - ... It is permanently a worker's guide." NATURE. " Since the advance of organic chemistry in this country must, in a measure, depend on the nature of the available text-books, both the author and the translator deserve our thanks for providing us with a work such as the present one.
Page 30 - Fig. 7, p. 26), and the average pressure at the sea level is equal to that exerted by a column of mercury 760 mm. high. The air being elastic and having weight, it is clear that the lower layers of air must be more compressed than those above them, and hence the density of the air must vary at different heights above the sea level. The density of the air being thus dependent on the pressure to which it is subjected...
Page 123 - ... temperature. If we suppose the same thermometer to have these three separate scales adjusted to it, or (still better) engraved side by side upon the tube, we easily see how to reduce from one scale to the other. For, if...
Page 132 - Find in the tables the logarithm of q. This will be the mantissa of the desired logarithm. Prefix to this the characteristic or index ± n. A few examples will sufficiently elucidate the process. Example. — Desired the logarithm to four decimal places of the number 306. Write the number, or, better, merely consider it as if factored in the form 3.06'ID2.
Page 67 - What volume of air would be required for the complete combustion of...
Page 113 - What are the formula and name of the salt having the following percentage composition? Calcium 38.72 Phosphorus 20.00 Oxygen 41.28 (First Professional Exam., Glasgow Univ., 1892.) Ans.