Elementary Chemistry |
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Page 12
We should have given a definite meaning to the terms produced ' and '
disappeared ' , as regards the change of magnesium to magnesia at any rate ;
and we should , to some extent at least , understand what is meant by saying the
magnesia ...
We should have given a definite meaning to the terms produced ' and '
disappeared ' , as regards the change of magnesium to magnesia at any rate ;
and we should , to some extent at least , understand what is meant by saying the
magnesia ...
Page 14
The terms disappeared , and was produced , do not then mean were destroyed ,
and were created ; they rather mean , ceased to exist under the conditions of
experiment as a distinct kind of matter , and , was the product of the chemical ...
The terms disappeared , and was produced , do not then mean were destroyed ,
and were created ; they rather mean , ceased to exist under the conditions of
experiment as a distinct kind of matter , and , was the product of the chemical ...
Page 36
We have also learned something of the meaning of the term chemical properties
of this or that kind of matter , as contrasted with the term physical properties of the
same kind of matter . Sulphur , for instance , is a yellow , brittle , solid , twice as ...
We have also learned something of the meaning of the term chemical properties
of this or that kind of matter , as contrasted with the term physical properties of the
same kind of matter . Sulphur , for instance , is a yellow , brittle , solid , twice as ...
Page 39
Each element is a definite kind of matter characterised by its own properties
which can be accurately stated frequently in terms having a quantitative
signification . By bringing these elements into contact with each other under
various ...
Each element is a definite kind of matter characterised by its own properties
which can be accurately stated frequently in terms having a quantitative
signification . By bringing these elements into contact with each other under
various ...
Page 51
These results may be stated in more general terms thus :The masses of
phosphorus , oxygen , sulphur , and chlorine , which severally combine with a
constant mass of hydrogen are also the masses of those elements which
combine with each ...
These results may be stated in more general terms thus :The masses of
phosphorus , oxygen , sulphur , and chlorine , which severally combine with a
constant mass of hydrogen are also the masses of those elements which
combine with each ...
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acid action added alkali aqueous solution atomic weight basic bismuth bodies bromine called carbon chemical change chlorine combining weight composed composition compounds contain copper decomposed definite Demy determined dioxide directly dissolves easily Edited elements energy equal erbium exist experiment expressed formula gaseous molecules gases given grams haloid heat hydrated hydrides hydrogen hydroxides interact iodine iron kinds of matter known lead less liquid magnesium marked mass meaning mercury metals method mixture molecular weight molecule negative nitric nitrogen Notes obtained occur oxide oxidised oxygen passed phosphorus physical placed positive potash potassium prepared present probably produced properties quantity ratio reacting weight reactions regarding relations relative remains represented salts separated shew silver similar sodium solid solution specific substances sulphide sulphur sulphuric acid temperature term theory values vols volume whole