Elementary Chemistry |
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Page 1
... methods by which chemistry proceeds ; to teach him some of the general laws of the science ; and above all things to shew him that the laws are gained by studying natural occurrences , that the detailed study of these is the foundation ...
... methods by which chemistry proceeds ; to teach him some of the general laws of the science ; and above all things to shew him that the laws are gained by studying natural occurrences , that the detailed study of these is the foundation ...
Page 19
... methods which need not be described here , the whole of the gas which is in the flask and exit tube when the experiment is finished is driven into the graduated cylinder . The white solid in the flask is now weighed ; the small quantity ...
... methods which need not be described here , the whole of the gas which is in the flask and exit tube when the experiment is finished is driven into the graduated cylinder . The white solid in the flask is now weighed ; the small quantity ...
Page 25
... method of its prepa- ration precludes this . It is composed of the two distinct kinds of matter , iron and sulphur . It belongs to the class Not- Elements . But is it one of those not - elements whose properties and composition are ...
... method of its prepa- ration precludes this . It is composed of the two distinct kinds of matter , iron and sulphur . It belongs to the class Not- Elements . But is it one of those not - elements whose properties and composition are ...
Page 26
... methods ( water , magnet , carbon disulphide ) , each of which separated the mixture of iron and sulphur into its constituents ; the substance appears under the microscope to be homogeneous ; interaction with hydrochloric acid results ...
... methods ( water , magnet , carbon disulphide ) , each of which separated the mixture of iron and sulphur into its constituents ; the substance appears under the microscope to be homogeneous ; interaction with hydrochloric acid results ...
Page 33
... methods which succeed in separating iron sulphide into iron and sulphur fail to separate iron or sulphur into kinds of matter different from iron or sulphur . Bromine likewise refuses , at present , to reveal its composition , if ...
... methods which succeed in separating iron sulphide into iron and sulphur fail to separate iron or sulphur into kinds of matter different from iron or sulphur . Bromine likewise refuses , at present , to reveal its composition , if ...
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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.