Elementary Chemistry |
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Page 8
... quantity of water are thrown one or two pieces of the metal sodium ; the metal swims on the surface of the water ; a gas is produced which may be collected and examined ; when the sodium has disappeared the water is boiled off ; there ...
... quantity of water are thrown one or two pieces of the metal sodium ; the metal swims on the surface of the water ; a gas is produced which may be collected and examined ; when the sodium has disappeared the water is boiled off ; there ...
Page 10
... quantity of water was heated in an open glass vessel ; the water slowly disappeared , and a little white earthy solid matter remained in the vessel . The water had disappeared and an earthy solid had been produced in its place . A piece ...
... quantity of water was heated in an open glass vessel ; the water slowly disappeared , and a little white earthy solid matter remained in the vessel . The water had disappeared and an earthy solid had been produced in its place . A piece ...
Page 11
... quantity 17 of magnesium be burnt in air under conditions such that the whole of the magnesia produced in the ... quantity of air ; ( 2 ) to determine the weight of magnesia produced , and the diminution in the quantity of air which ...
... quantity 17 of magnesium be burnt in air under conditions such that the whole of the magnesia produced in the ... quantity of air ; ( 2 ) to determine the weight of magnesia produced , and the diminution in the quantity of air which ...
Page 14
... quantity . Moreover it is assumed that the student has learned the proportionality of mass and weight * ; that any portions of matter whose masses are equal , however different they may be in other properties , are of equal weights ...
... quantity . Moreover it is assumed that the student has learned the proportionality of mass and weight * ; that any portions of matter whose masses are equal , however different they may be in other properties , are of equal weights ...
Page 16
... quantity of finely divided copper is dissolved in moderately concentrated warm sulphuric acid ; when solution is complete , the greenish blue liquid is evaporated to dryness by steam ; the blue solid is kept at 100 ° until it is ...
... quantity of finely divided copper is dissolved in moderately concentrated warm sulphuric acid ; when solution is complete , the greenish blue liquid is evaporated to dryness by steam ; the blue solid is kept at 100 ° until it is ...
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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.