Elementary Chemistry |
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Page 62
... hydroxide , which remains dissolved in the water that has not been changed , and 1 part by weight of hydrogen . ( 2 ) When iron and water interact , 168 parts of iron and 72 of water are changed to 232 parts of iron oxide and 8 parts of ...
... hydroxide , which remains dissolved in the water that has not been changed , and 1 part by weight of hydrogen . ( 2 ) When iron and water interact , 168 parts of iron and 72 of water are changed to 232 parts of iron oxide and 8 parts of ...
Page 63
... hydroxide [ which is dissolved in the excess of water ( s . ante par . 56 ) ] and hydrogen , and that the sum of the masses of sodium and water is equal to the sum of the masses of sodium hydroxide and hydrogen . The equations in no way ...
... hydroxide [ which is dissolved in the excess of water ( s . ante par . 56 ) ] and hydrogen , and that the sum of the masses of sodium and water is equal to the sum of the masses of sodium hydroxide and hydrogen . The equations in no way ...
Page 79
... calcium oxide , or lime , the water disappears , the lime swells up , much heat is produced , and the new compound calcium hydroxide , or slaked 104 2 = lime , is formed . The equation 99-103 ] CHEMICAL STUDY OF WATER AND AIR . 79.
... calcium oxide , or lime , the water disappears , the lime swells up , much heat is produced , and the new compound calcium hydroxide , or slaked 104 2 = lime , is formed . The equation 99-103 ] CHEMICAL STUDY OF WATER AND AIR . 79.
Page 80
... hydroxide is strongly heated - say to 400 ° or 500 ° —it is decomposed into calcium oxide and water ; thus CaO . H2O = CaO + H2O ; the water passes away and the calcium oxide remains as a solid . 4 Copper sulphate - CuSO ( Cu = 63.2 , S ...
... hydroxide is strongly heated - say to 400 ° or 500 ° —it is decomposed into calcium oxide and water ; thus CaO . H2O = CaO + H2O ; the water passes away and the calcium oxide remains as a solid . 4 Copper sulphate - CuSO ( Cu = 63.2 , S ...
Page 81
... hydroxide ; the equation Na + H2O + Aq = NaOHAq + H expresses the composition of the system before and after this interaction . 2 A similar change occurs when potassium is thrown into water ; K + H2O + Aq = KOHAq + H. In each of these ...
... hydroxide ; the equation Na + H2O + Aq = NaOHAq + H expresses the composition of the system before and after this interaction . 2 A similar change occurs when potassium is thrown into water ; K + H2O + Aq = KOHAq + H. In each of these ...
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Common terms and phrases
acids to form affinity alcohol alkali allotropy ammonia ammonium antimony aqueous solution atom of carbon atom of hydrogen atom of oxygen atomic theory atomic weight basic oxides bismuth bromine Chap chemical change chemical properties chlorine chromium combining weight composed composition copper decomposed definite directly interacting elements and compounds energy expressed form salts gaseous molecules gases gasified grams H₂O H₂SO haloid compounds heat hydrides hydrochloric acid hydrogen and oxygen hydrogen chloride hydroxide interact with acids iodine iron kinds of matter liquid M₂O magnesium mass mercury metals mixture molecular and atomic molecular weight nitric acid nitrogen non-metallic obtained occur oxidised oxygen phosphorus physical potash potassium chloride produced quantity ratio reacting weight reactions represented rubidium selenion shew shewn sodium solid specific gravity structural formulae substances sulphate sulphide sulphuric acid tellurium temperature Thallium tube valency weight of hydrogen weight of oxygen zinc
Popular passages
Page 73 - The fact that two volumes of hydrogen combine with one volume of oxygen to form...
Page 265 - ... the eighth element starting from a given one is a kind of repetition of the first, like the eighth note of an octave in music.
Page 196 - Now it is one great object of this work, to show the importance and advantage of ascertaining the relative weights of the ultimate particles, both of simple and compound bodies, the number of simple elementary particles which constitute one compound particle, and the number of less compound particles which enter into the formation of one more compound particle.
Page 11 - That there abides in nature a certain pure matter, which, being discovered and brought by art to perfection, converts to itself proportionally all imperfect bodies that it touches.
Page 182 - The total energy of any body or system of bodies is a quantity which can neither be increased nor diminished by any mutual action of such bodies, though it may be transformed into any one of the forms of which energy is susceptible.
Page 197 - When only one combination of two bodies can be obtained, it must be presumed to be a binary one, unless some cause appear to the contrary.
Page 175 - Waage formulate the law of mass thus chemical action is proportional to the active mass of each substance taking part in the change.
Page 192 - And it often makes a great difference with what things and in what position the same first-beginnings are held in union and what motions they mutually impart and receive...
Page 49 - Dalton, all substances combine in definite proportions or "equivalents" ; thus, 1 part by weight of hydrogen combines with 8 parts by weight of oxygen to form water.