Elementary Chemistry |
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Page 71
Davy decomposed water which had been purified by distillation , in glass vessels
, by passing an electric current through it ; in every case a little acid was
produced at the positive electrode , and a little alkali at the negative electrode .
Davy decomposed water which had been purified by distillation , in glass vessels
, by passing an electric current through it ; in every case a little acid was
produced at the positive electrode , and a little alkali at the negative electrode .
Page 72
But it still remained to account for the production of acid at the positive electrode .
The acid he found to be nitric acid . He knew that this acid is a compound of three
elements ; hydrogen , oxygen , and nitrogen . Hydrogen and oxygen Davy ...
But it still remained to account for the production of acid at the positive electrode .
The acid he found to be nitric acid . He knew that this acid is a compound of three
elements ; hydrogen , oxygen , and nitrogen . Hydrogen and oxygen Davy ...
Page 73
He admitted air into the jar ; the acid began to form at the positive electrode . But
he had already proved that the production of acid was not connected with the
presence of any substance in the water , nor with the nature of the vessels ...
He admitted air into the jar ; the acid began to form at the positive electrode . But
he had already proved that the production of acid was not connected with the
presence of any substance in the water , nor with the nature of the vessels ...
Page 99
These terminals are called the negative electrode ( wire coming from zinc plate ) ,
and positive electrode ( wire coming from copper plate ) , respectively . As
electricities of opposite sign attract each other , ' hydrogen is called an electro ...
These terminals are called the negative electrode ( wire coming from zinc plate ) ,
and positive electrode ( wire coming from copper plate ) , respectively . As
electricities of opposite sign attract each other , ' hydrogen is called an electro ...
Page 100
Electrolysis of a compound of sulphur and oxygen results in the separation of
sulphur at the negative electrode ; sulphur is therefore positive relatively to
oxygen , although it is negative relatively to chlorine . The terms electro - positive
and ...
Electrolysis of a compound of sulphur and oxygen results in the separation of
sulphur at the negative electrode ; sulphur is therefore positive relatively to
oxygen , although it is negative relatively to chlorine . The terms electro - positive
and ...
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Common terms and phrases
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
Bibliographic information
| Title | Elementary Chemistry |
| Authors | Matthew Moncrieff Pattison Muir, Charles Slater |
| Publisher | University Press, 1887 |
| Original from | Harvard University |
| Digitized | 17 Mar 2008 |
| Length | 368 pages |
| Export Citation | BiBTeX EndNote RefMan |