Elementary Chemistry |
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Page 14
... similar expres- sions only when we have learned more about chemical occur- rences . In the preceding paragraphs the important truth has been assumed that the one fundamental property of matter is its mass or quantity . Moreover it is ...
... similar expres- sions only when we have learned more about chemical occur- rences . In the preceding paragraphs the important truth has been assumed that the one fundamental property of matter is its mass or quantity . Moreover it is ...
Page 16
... similar to those which prevailed during the burning of magnesium , we conclude that the change which the iron has suffered probably consists in combination with oxygen . This conclusion has been verified by experiments . A weighed ...
... similar to those which prevailed during the burning of magnesium , we conclude that the change which the iron has suffered probably consists in combination with oxygen . This conclusion has been verified by experiments . A weighed ...
Page 25
... similar conditions ; the sulphur is entirely blown away , none is held by the magnet . Examine some of the iron , and some of the sulphur , used , under the microscope , and note the differences Mixtures and Compounds.
... similar conditions ; the sulphur is entirely blown away , none is held by the magnet . Examine some of the iron , and some of the sulphur , used , under the microscope , and note the differences Mixtures and Compounds.
Page 30
... similar experiment is made ( with proper precautions ) with chlorine , -a heavy , yellowish - green , very badly smelling , gas - it will be found that the rate of diffusion of hydrogen is about six times that of chlorine . Now let ...
... similar experiment is made ( with proper precautions ) with chlorine , -a heavy , yellowish - green , very badly smelling , gas - it will be found that the rate of diffusion of hydrogen is about six times that of chlorine . Now let ...
Page 31
... similar to those already described it can be proved that no separation into hydrogen and chlorine has occurred , but that the gas which issues at a is identical with that which issues at b , and that both are hydrogen chloride . The ...
... similar to those already described it can be proved that no separation into hydrogen and chlorine has occurred , but that the gas which issues at a is identical with that which issues at b , and that both are hydrogen chloride . The ...
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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.