Chemical CalculationsD. Van Nostrand Company, 1923 - 276 páginas |
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... Weight in Grams — Volume of Gas from Weight in Ounces — Weights in Vacuo — United States Unit of Volumetric Apparatus Mohr Liter - Dalton's Law Problems . - - CHAPTER VII CALCULATION Of Atomic WeigHTS AND FORMULAS . - Atomic Weight ...
... Weight in Grams — Volume of Gas from Weight in Ounces — Weights in Vacuo — United States Unit of Volumetric Apparatus Mohr Liter - Dalton's Law Problems . - - CHAPTER VII CALCULATION Of Atomic WeigHTS AND FORMULAS . - Atomic Weight ...
Página 1
... weight of an object , the result is approximate only , and depends upon the accuracy with which the weights are ... atomic weight tables , the element iodine will be found stated to six significant figures ( 126.932 ) , 1 while many of ...
... weight of an object , the result is approximate only , and depends upon the accuracy with which the weights are ... atomic weight tables , the element iodine will be found stated to six significant figures ( 126.932 ) , 1 while many of ...
Página 2
... atomic weight of 126.932 ; this means that the atomic weight is accurately known as far as the nearest one thousandth of a unit . From the figure given it may be understood that its value is 126.932 ± 0.0005 . In this case then ± 0.0005 ...
... atomic weight of 126.932 ; this means that the atomic weight is accurately known as far as the nearest one thousandth of a unit . From the figure given it may be understood that its value is 126.932 ± 0.0005 . In this case then ± 0.0005 ...
Página 3
... atom ; as two atoms are present in aluminum sulphate , this error may amount to twice this or ± 0.01 ; consequently when the molecular weight is taken as 666.420 , the figure is misleading , for if the hundredths place is unreliable ...
... atom ; as two atoms are present in aluminum sulphate , this error may amount to twice this or ± 0.01 ; consequently when the molecular weight is taken as 666.420 , the figure is misleading , for if the hundredths place is unreliable ...
Página 19
... weight , 2 ( 216.61 ) 2 ( 200.61 ) 2 ( 16 ) . In the atomic weight tables , 1 200.61 is given as the atomic weight of mercury and 16.00 as that of oxygen . The symbol of mercuric oxide , HgO , shows that one molecule of ... atomic weights 19.
... weight , 2 ( 216.61 ) 2 ( 200.61 ) 2 ( 16 ) . In the atomic weight tables , 1 200.61 is given as the atomic weight of mercury and 16.00 as that of oxygen . The symbol of mercuric oxide , HgO , shows that one molecule of ... atomic weights 19.
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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
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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...