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
He placed the water in gold vessels , and electrolysed it ; a very little alkali
appeared at the negative electrode ; after the current had passed for some
minutes the production of alkali nearly ceased ; but the acid was still produced ,
and the ...
He placed the water in gold vessels , and electrolysed it ; a very little alkali
appeared at the negative electrode ; after the current had passed for some
minutes the production of alkali nearly ceased ; but the acid was still produced ,
and the ...
Page 73
Other substances were employed ; he generally obtained an alkaline body at the
negative , and an acid at the positive ... This led Davy to regard many compounds
as built up of two parts , one positively , the other negatively , electrified .
Other substances were employed ; he generally obtained an alkaline body at the
negative , and an acid at the positive ... This led Davy to regard many compounds
as built up of two parts , one positively , the other negatively , electrified .
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
131 132 have seen , it is negative relatively to hydrogen . 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 ...
131 132 have seen , it is negative relatively to hydrogen . 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 ...
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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 |