Elementary Chemistry |
From inside the book
Results 1-5 of 46
Page 12
... equal to the weight of air which disappeared during the burning ; and if the magnesium obtained from the magnesia weighed the same as the magnesium originally burnt ; and if the weight of air obtained from the magnesia was the same as ...
... equal to the weight of air which disappeared during the burning ; and if the magnesium obtained from the magnesia weighed the same as the magnesium originally burnt ; and if the weight of air obtained from the magnesia was the same as ...
Page 14
... equal to the weight of that which it has replaced . In the case of the magnesium burnt to magnesia , it would be ... equal , however different they may be in other properties , are of equal weights . The mass of any portion of matter is ...
... equal to the weight of that which it has replaced . In the case of the magnesium burnt to magnesia , it would be ... equal , however different they may be in other properties , are of equal weights . The mass of any portion of matter is ...
Page 17
... equal to the mass of copper dissolved in sulphuric acid , proved that the copper sulphate was produced by the union of the copper with some other substance . A little concentrated nitric acid is heated in a porcelain 24 dish ; after a ...
... equal to the mass of copper dissolved in sulphuric acid , proved that the copper sulphate was produced by the union of the copper with some other substance . A little concentrated nitric acid is heated in a porcelain 24 dish ; after a ...
Page 19
... equal to the mass of the potassium chlorate . An electric current is passed through acidulated water . 27 The experiment is conducted as described in par . 9. ( s . fig . 4 ) . But the water used is weighed , and the water remaining at ...
... equal to the mass of the potassium chlorate . An electric current is passed through acidulated water . 27 The experiment is conducted as described in par . 9. ( s . fig . 4 ) . But the water used is weighed , and the water remaining at ...
Page 20
... equal to the mass of the copper oxide . The results of the experiments described in the preceding paragraphs present certain points of similarity . In each , a specified mass of one kind of matter was changed into two ( or more ) kinds ...
... equal to the mass of the copper oxide . The results of the experiments described in the preceding paragraphs present certain points of similarity . In each , a specified mass of one kind of matter was changed into two ( or more ) kinds ...
Other editions - View all
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.