Chemical CalculationsD. Van Nostrand Company, 1923 - 276 páginas |
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Página 2
... tion of the decimal point , there being only two significant figures . 1 Logarithms have been employed in the solution of problems in this book , except where the operation was very simple . In such cases the 10 " Mannheim slide rule ...
... tion of the decimal point , there being only two significant figures . 1 Logarithms have been employed in the solution of problems in this book , except where the operation was very simple . In such cases the 10 " Mannheim slide rule ...
Página 7
... tion . This convention has not been strictly followed in the tabulation of the mo- lecular weights . See Chem . Ann . , tables 12 , 58 and 59. Frequent reference will be made to Van Nostrand's Chemical Annual , Sixth issue , 1926 ...
... tion . This convention has not been strictly followed in the tabulation of the mo- lecular weights . See Chem . Ann . , tables 12 , 58 and 59. Frequent reference will be made to Van Nostrand's Chemical Annual , Sixth issue , 1926 ...
Página 28
... tion of one ton of sodium carbonate . It is needless to calculate the amount of acid ammonium carbonate and of acid sodium carbonate ; it is necessary only to notice that one molecule of ammonia yields one molecule of acid ammonium ...
... tion of one ton of sodium carbonate . It is needless to calculate the amount of acid ammonium carbonate and of acid sodium carbonate ; it is necessary only to notice that one molecule of ammonia yields one molecule of acid ammonium ...
Página 37
... tion of these radicals in the molecule ? See Prob . 56 . Ans . P2O5 = 3.68 % H2O = 4.20 % NH3 = 2.65 % MoO3 89.48 % = 58. Potassium antimonyl tartrate ( tartar emetic ) corresponds to the formula K2H2 ( C4H4O6 ) 2 Sb2O3 . ( a ) What are ...
... tion of these radicals in the molecule ? See Prob . 56 . Ans . P2O5 = 3.68 % H2O = 4.20 % NH3 = 2.65 % MoO3 89.48 % = 58. Potassium antimonyl tartrate ( tartar emetic ) corresponds to the formula K2H2 ( C4H4O6 ) 2 Sb2O3 . ( a ) What are ...
Página 44
... . 2 When the equation is of the first degree , that is , when it does not contain either of the quantities raised to any power other than the first . N 3 tion and the strength in degrees Baumé of 44 CHAPTER III INTERPOLATION.
... . 2 When the equation is of the first degree , that is , when it does not contain either of the quantities raised to any power other than the first . N 3 tion and the strength in degrees Baumé of 44 CHAPTER III INTERPOLATION.
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Términos y frases comunes
2HCl 2KCl acetic acid added AgBr AgCl amount analysis analyzed anhydride aqueous vapor arsenic atomic weight BaCl2 barium sulphate barometer boiling point bromine CaCO3 Calculate the percentage Calories carbon dioxide Chem chemical compound contains corresponding cubic centimeter decimal point degrees Baumé determined element equation equivalent error factor flask formula freezing point gases given H₂O HNO3 hydrochloric acid hydrogen iodide iodine iron kilogram liquid liter logarithm mercuric oxide mercury meters method mixed acid mixture molecular weight multiplied NaCl NaHCO3 NaOH neutralize nitric acid nitrogen normal solution obtained oleum oxalic oxygen platinum potassium chloride potassium permanganate pounds present pressure problem ratio reaction salt sample significant figures silver chloride sodium carbonate sodium chloride sodium hydroxide sodium sulphate specific gravity specific heat standard conditions substance sulphuric acid Table taken temperature thiosulphate tion titrated unit valence volume
Pasajes populares
Página 95 - Avogadro's law states that equal volumes of all gases at the same temperature and pressure contain the same number of molecules...
Página 268 - Baume Hydrometers for use with this table must be graduated by the above formula, which formula should always be printed on the scale. Atomic weights from FW Clarke's table of 1901. О - 16. Allowance for Temperature At 10° -20° Be.— 1/30° Be.
Página 9 - The logarithm of the quotient of two positive numbers is found by subtracting the logarithm of the divisor from the logarithm of the dividend. (6) The logarithm of a power of a positive number is found by multiplying the logarithm of the number by the exponent of the power. For, N" = (oT)
Página 106 - (a) Units of Capacity. — The liter, defined as the volume occupied by a quantity of pure water at 4° C. having a mass of 1...
Página 269 - Soc., vol. 57, p. 363. AUTHORITIES — WC FERGUSON; HP TALBOT. This table has been approved and adopted as a standard by the Manufacturing Chemists' Association of the United States.
Página 88 - Marriott, so named after its discoverers, is that the volume of a gas varies inversely as the pressure to which it is subjected.
Página 140 - The atomic weight (also known as the combining weight) of an element is the ratio of the weight of an atom of that element to the weight of an atom of hydrogen. Hydrogen...
Página 58 - Thus, the reduction of the value of the modulus between the melting point of ice and the boiling point of water is...