Chemical CalculationsD. Van Nostrand Company, 1923 - 276 páginas |
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Página 1
... hence there must be some figure in the result beyond which there is some uncertainty . In atomic weight tables , the element iodine will be found stated to six significant figures ( 126.932 ) , 1 while many of the other elements are ...
... hence there must be some figure in the result beyond which there is some uncertainty . In atomic weight tables , the element iodine will be found stated to six significant figures ( 126.932 ) , 1 while many of the other elements are ...
Página 4
... hence the maximum apparent error of potassium borofluoride amounts to 0.025 125.92 X 100 = 0.02 % . This error , appearing in the value of the factor may amount to 0.0002 X 0.7574603 = • 0.00015 . The factor is uncertain in the fourth ...
... hence the maximum apparent error of potassium borofluoride amounts to 0.025 125.92 X 100 = 0.02 % . This error , appearing in the value of the factor may amount to 0.0002 X 0.7574603 = • 0.00015 . The factor is uncertain in the fourth ...
Página 7
... hence to express the product of the units factor will require the addition of 1 to the algebraic sum of the exponents of the exponented factors . The exponent of the ten factor of the product then becomes 10-3 + ( + 2 ) +1 or 10 ° and ...
... hence to express the product of the units factor will require the addition of 1 to the algebraic sum of the exponents of the exponented factors . The exponent of the ten factor of the product then becomes 10-3 + ( + 2 ) +1 or 10 ° and ...
Página 8
... hence the algebraic sum of the exponents of the ten - factors must be augmented by 2 , the value of the exponent of ... hence the logarithm of I is o 101 66 66 66 = IO , IO I 102 66 66 = 100 , 100 2 , etc. Also 100.3010 = 100.4771 ...
... hence the algebraic sum of the exponents of the ten - factors must be augmented by 2 , the value of the exponent of ... hence the logarithm of I is o 101 66 66 66 = IO , IO I 102 66 66 = 100 , 100 2 , etc. Also 100.3010 = 100.4771 ...
Página 11
... hence the characteristics . Setting down the logarithms gives : log 6.19.102 = 2.7917 log 7.14.10 ° log 6.73.10-3 = = = 0.8537 3.8280 1.4734 log 6.72.103 = = 3.8274 log 3.27.105 3.5145 = log 1.24.101 = 1.0934 = 0.4353 log of numerator ...
... hence the characteristics . Setting down the logarithms gives : log 6.19.102 = 2.7917 log 7.14.10 ° log 6.73.10-3 = = = 0.8537 3.8280 1.4734 log 6.72.103 = = 3.8274 log 3.27.105 3.5145 = log 1.24.101 = 1.0934 = 0.4353 log of numerator ...
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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...