Chemical CalculationsD. Van Nostrand Company, 1923 - 276 páginas |
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Página 17
... dioxide at standard yields on liquefaction 2.00 c.c. of the liquid . On the assumption that this volume is the total volume of the molecules , calculate the volume occupied by a single molecule , if 22.4 1. of a gas at standard contains ...
... dioxide at standard yields on liquefaction 2.00 c.c. of the liquid . On the assumption that this volume is the total volume of the molecules , calculate the volume occupied by a single molecule , if 22.4 1. of a gas at standard contains ...
Página 33
... dioxide may be produced by the reaction : Cu + 2H2SO4 = CuSO4 + 2H2O + SO2 . ( a ) How much copper and ( b ) how much of a 93.20 % H2SO4 must be taken to obtain 64.00 g . of sulphur dioxide ? Ans . ( a ) 63.51 g . ( b ) 210.3 g . 30 ...
... dioxide may be produced by the reaction : Cu + 2H2SO4 = CuSO4 + 2H2O + SO2 . ( a ) How much copper and ( b ) how much of a 93.20 % H2SO4 must be taken to obtain 64.00 g . of sulphur dioxide ? Ans . ( a ) 63.51 g . ( b ) 210.3 g . 30 ...
Página 34
... dioxide is given off per pound of this limestone ? Ans . ( a ) 5217 lbs . CaO ( b ) 0.4375 lbs . CO2 35. Calculate to the nearest ounce the weight of ( a ) calcium oxide and ( b ) calcium carbonate necessary to neutralize 10.00 lbs . of ...
... dioxide is given off per pound of this limestone ? Ans . ( a ) 5217 lbs . CaO ( b ) 0.4375 lbs . CO2 35. Calculate to the nearest ounce the weight of ( a ) calcium oxide and ( b ) calcium carbonate necessary to neutralize 10.00 lbs . of ...
Página 65
... dioxide , critical temp . 31 ° C .; b.p. at atm . press . , - 80 ° C. ( c ) Alcohol , critical temp . 243 ° C .; b.p. at atm . press . , 78 ° C. What are these temperatures in the Absolute scale ? Ans . ( a ) Crit . temp . 33 ° A ...
... dioxide , critical temp . 31 ° C .; b.p. at atm . press . , - 80 ° C. ( c ) Alcohol , critical temp . 243 ° C .; b.p. at atm . press . , 78 ° C. What are these temperatures in the Absolute scale ? Ans . ( a ) Crit . temp . 33 ° A ...
Página 93
... dioxide is next absorbed in potassium hydroxide and the con- traction again noted . The reactions taking place are : ( a ) 2H2 2 vol . + O2 = I vol . 2H2O o vol . ( b ) 2CO + O2 2 vol . I vol . 2CO2 2 vol . ( c ) CHA + I vol . 202 2 vol ...
... dioxide is next absorbed in potassium hydroxide and the con- traction again noted . The reactions taking place are : ( a ) 2H2 2 vol . + O2 = I vol . 2H2O o vol . ( b ) 2CO + O2 2 vol . I vol . 2CO2 2 vol . ( c ) CHA + I vol . 202 2 vol ...
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Términos y frases comunes
AgCl ammonia amount analysis approximate aqueous vapor atomic weight barium sulphate barometer boiling point bromine CaCO3 calcium Calculate the percentage Calories carbon dioxide cent Chem chemical coefficient of expansion compound constant contains corresponding cubic centimeter degrees Baumé Density of water determined element equation equivalent factor flask formula freezing point gases given gram molecule H₂O HNO3 hydrochloric acid hydrogen iodine iron kilogram liquid liter logarithm mercuric oxide mercury methane method mixed acid mixture molecular weight NaCl NaOH nitric acid nitrogen normal solution obtained oleum oxygen percentage composition platinum potassium chloride potassium permanganate pounds pressure ratio reaction relative density salt sample saturated significant figures silver chloride sinker SiO2 sodium carbonate sodium chloride sodium hydroxide specific gravity specific heat standard conditions sulphuric acid Table taken temperature titrated unit volume vacuo valence vapor density water vapor
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...