Elementary Chemical Arithmetic: With 1100 ProblemsMacmillan and Company, 1882 - 286 páginas |
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Página 70
... cent . are the oxygen and nitrogen absorbed ? 100 volumes of air contain nearly 21 volumes of oxygen , and 79 volumes of nitrogen . 100 Hence the pressure on the oxygen is of the total pressure , and the pressure on the nitrogen is 70 ...
... cent . are the oxygen and nitrogen absorbed ? 100 volumes of air contain nearly 21 volumes of oxygen , and 79 volumes of nitrogen . 100 Hence the pressure on the oxygen is of the total pressure , and the pressure on the nitrogen is 70 ...
Página 71
... cent . by volume . Nitrogen 65.1 دو " " 99 ** LOGARITHMIC ARITHMETIC . ( 31 ) TO FIND THE LOGARITHM OF A NUMBER FROM TABLES . The common logarithm of a number is the power to which 10 must be raised to be equal to the number . If 10 = N ...
... cent . by volume . Nitrogen 65.1 دو " " 99 ** LOGARITHMIC ARITHMETIC . ( 31 ) TO FIND THE LOGARITHM OF A NUMBER FROM TABLES . The common logarithm of a number is the power to which 10 must be raised to be equal to the number . If 10 = N ...
Página 80
... 0231 log 671.3 = 2.8270 log 760 = 2.8808 log 28 = 1.4472 log 22.32 = 1.3487 5.8305 log 5 = .6990 4.9516 log - 1 1 5.8305 - 4.9516 8789-7.567 per cent . of nitrogen . ( vi ) 4376 grams of potassium chlorate are heated 80 INTRODUCTION .
... 0231 log 671.3 = 2.8270 log 760 = 2.8808 log 28 = 1.4472 log 22.32 = 1.3487 5.8305 log 5 = .6990 4.9516 log - 1 1 5.8305 - 4.9516 8789-7.567 per cent . of nitrogen . ( vi ) 4376 grams of potassium chlorate are heated 80 INTRODUCTION .
Página 118
... cent . of sodium chloride NaCl ; how much sodium is there in a cubic metre of sea - water ? 24. 1000 grams of sea - water ( △ 1 · 027 ) contain 37 grams of salt ( A 2 ∙ 16 ) . What contraction do 1000 c.c. of sea - water undergo ...
... cent . of sodium chloride NaCl ; how much sodium is there in a cubic metre of sea - water ? 24. 1000 grams of sea - water ( △ 1 · 027 ) contain 37 grams of salt ( A 2 ∙ 16 ) . What contraction do 1000 c.c. of sea - water undergo ...
Página 123
... cent . Nitrogen 10.15 " " Find its formula . Oxygen 11.59 30. What volume of ammonia is required to neutralize 10 grams of hydrogen chloride ? HCI + NH , NH Cl . = 3 4 31. What volume of ammonia at 15 ° C. and 740 m.m. could be obtained ...
... cent . Nitrogen 10.15 " " Find its formula . Oxygen 11.59 30. What volume of ammonia is required to neutralize 10 grams of hydrogen chloride ? HCI + NH , NH Cl . = 3 4 31. What volume of ammonia at 15 ° C. and 740 m.m. could be obtained ...
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Términos y frases comunes
20 grams 2H₂O 2HCl acid alloy aluminium ammonia antimony arsenic atomic weight barium bromine burnt c.c. of gas c.c. of hydrogen carbon dioxide cent CHAPTER CO₂ College copper Crown 8vo cubic cupric oxide Edition evolved fcap ferrous Find its formula Find the atomic Find the density Find the formula Find the mass Find the percentage formed grams grams of hydrogen grams of lead grams of phosphorus grams of potassium grams of silver grams of water H₂ H₂O H₂SO H₂SO₁ heavy as air Hence hydrate hydrogen chloride hydrogen sulphate iron kilograms kilos litres litres of hydrogen logarithm m.m. Find m.m. is given magnesium manganese dioxide mercury metres molecular weight multiplied nitric oxide obtained oxygen percentage composition potassium chlorate potassium dichromate pressure salt silicon sodium solution specific heat substance contains sulphide sulphur dioxide temperature vapour volume of carbon volume of chlorine volume of hydrogen volume of oxygen zinc
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