Chemical CalculationsD. Van Nostrand Company, 1923 - 276 páginas |
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Página 115
... bromine . What is the molecular weight of the bromine ? Ans . ( a ) Substituting in the formula , V1 = V2D2 D1 V1 = √ ( 30.82 ) 2 X 1.1055 0.06965 = 122.79 C.C. ( b ) The densities of sulphur dioxide and ammonia are in the ratio of ...
... bromine . What is the molecular weight of the bromine ? Ans . ( a ) Substituting in the formula , V1 = V2D2 D1 V1 = √ ( 30.82 ) 2 X 1.1055 0.06965 = 122.79 C.C. ( b ) The densities of sulphur dioxide and ammonia are in the ratio of ...
Página 121
... bromine ? ( b ) In equation ( 2 ) how many volumes of oxygen of the same temperature and pressure are called for to liberate all the bro- mine ? Ans . ( a ) 0.5 1 . ( b ) 0.25 1 . 240. ( a ) How many cubic centimeters of nitrogen are ...
... bromine ? ( b ) In equation ( 2 ) how many volumes of oxygen of the same temperature and pressure are called for to liberate all the bro- mine ? Ans . ( a ) 0.5 1 . ( b ) 0.25 1 . 240. ( a ) How many cubic centimeters of nitrogen are ...
Página 125
... Bromine gas has a specific gravity , referred to air , of 5.524 . What is its molecular weight ? Ans . 159.9 268. The density of hydrochloric acid referred to air is 1.2597 . ( a ) What is its density referred to hydrogen ? ( b ) to ...
... Bromine gas has a specific gravity , referred to air , of 5.524 . What is its molecular weight ? Ans . 159.9 268. The density of hydrochloric acid referred to air is 1.2597 . ( a ) What is its density referred to hydrogen ? ( b ) to ...
Página 141
... bromine which will combine with 107.94 parts of silver will be the equivalent of bromine : 42.55 57.45 X 107.94 = 79.95 . Relationship between Atomic Weight , Valence and Combining Weight . The following equation shows the relationship ...
... bromine which will combine with 107.94 parts of silver will be the equivalent of bromine : 42.55 57.45 X 107.94 = 79.95 . Relationship between Atomic Weight , Valence and Combining Weight . The following equation shows the relationship ...
Página 159
... bromine ? Ans . ( a ) 20.035 g . ( b ) 18.613 g . ( c ) 39.096 g . ( d ) 79.916 g . 351. What is the equivalent weight of the following : ( a ) Na2O , ( b ) CuCl2 , ( c ) Al2O3 , ( d ) CuSO4 * 5H2O ? Ans . ( a ) 30.997 g . ( b ) 67.242 ...
... bromine ? Ans . ( a ) 20.035 g . ( b ) 18.613 g . ( c ) 39.096 g . ( d ) 79.916 g . 351. What is the equivalent weight of the following : ( a ) Na2O , ( b ) CuCl2 , ( c ) Al2O3 , ( d ) CuSO4 * 5H2O ? Ans . ( a ) 30.997 g . ( b ) 67.242 ...
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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
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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...