Elementary Chemistry |
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Page 6
... Lead nitrate is a heavy , white , crystalline , solid ; it dissolves in a little hot water and separates from this solution , as it cools , in white , lustrous , crystals . Two retorts are arranged with the beaks passing into small dry ...
... Lead nitrate is a heavy , white , crystalline , solid ; it dissolves in a little hot water and separates from this solution , as it cools , in white , lustrous , crystals . Two retorts are arranged with the beaks passing into small dry ...
Page 7
... lead oxide is a chemical change . The change which water undergoes when it is boiled is a 9 physical change ; if the water is placed in a retort arranged as shewn in fig . 3 , the water - gas ( or steam ) produced by heating the water ...
... lead oxide is a chemical change . The change which water undergoes when it is boiled is a 9 physical change ; if the water is placed in a retort arranged as shewn in fig . 3 , the water - gas ( or steam ) produced by heating the water ...
Page 9
... lead nitrate was heated the matter characterised by the properties summed up in the name lead nitrate disappeared and in its place there were formed two other kinds of matter , —nitrogen oxide , and lead oxide ; that the passage of the ...
... lead nitrate was heated the matter characterised by the properties summed up in the name lead nitrate disappeared and in its place there were formed two other kinds of matter , —nitrogen oxide , and lead oxide ; that the passage of the ...
Page 10
... lead into silver , and copper into iron . Their conception of nature led them to regard all things as under- going continual change ; but they were not able so accurately to study these changes as to discern the unchanging sequences in ...
... lead into silver , and copper into iron . Their conception of nature led them to regard all things as under- going continual change ; but they were not able so accurately to study these changes as to discern the unchanging sequences in ...
Page 23
... lead , tin , silver , gold , copper . These are all heavy , lustrous , malleable , solids . A few elements are gases at ordinary temperatures and pressures , viz . oxygen , hydrogen , nitrogen , chlorine , Auorine ( ? ) : two are ...
... lead , tin , silver , gold , copper . These are all heavy , lustrous , malleable , solids . A few elements are gases at ordinary temperatures and pressures , viz . oxygen , hydrogen , nitrogen , chlorine , Auorine ( ? ) : two are ...
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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.