Elementary Chemistry |
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Page 18
... and inverted in a vessel containing mercury . A weighed quantity of a white
solid called potassium chlorate is placed in the flask : this solid is heated until it
melts ; the gas which comes off is collected in the graduated cylinder 18 [ CHAP .
II .
... and inverted in a vessel containing mercury . A weighed quantity of a white
solid called potassium chlorate is placed in the flask : this solid is heated until it
melts ; the gas which comes off is collected in the graduated cylinder 18 [ CHAP .
II .
Page 19
This gas is now proved to be oxygen . The properties of the white solid left in the
flask are compared with those of the potassium chlorate , i . e . with those of the
kind of matter used in the experiment : the two substances are easily proved to be
...
This gas is now proved to be oxygen . The properties of the white solid left in the
flask are compared with those of the potassium chlorate , i . e . with those of the
kind of matter used in the experiment : the two substances are easily proved to be
...
Page 21
Potassium chlorate was changed into potassium chloride and oxygen ; water into
hydrogen and oxygen ; copper oxide into copper and oxygen : the potassium
chloride , or the oxygen , weighed less than the potassium chlorate ; the
hydrogen ...
Potassium chlorate was changed into potassium chloride and oxygen ; water into
hydrogen and oxygen ; copper oxide into copper and oxygen : the potassium
chloride , or the oxygen , weighed less than the potassium chlorate ; the
hydrogen ...
Page 41
An experiment was already described by which the substance potassium
chlorate was proved to be a compound of the element oxygen and the less
complex compound potassium chloride . 100 parts by weight of potassium
chlorate are ...
An experiment was already described by which the substance potassium
chlorate was proved to be a compound of the element oxygen and the less
complex compound potassium chloride . 100 parts by weight of potassium
chlorate are ...
Page 47
... compounds of one element with various other elements , and compounds of
these other elements with each other . We shall begin by considering compounds
of the element potassium 62 — 66 ] 47 LAWS . OF CHEMICAL COMBINATION .
... compounds of one element with various other elements , and compounds of
these other elements with each other . We shall begin by considering compounds
of the element potassium 62 — 66 ] 47 LAWS . OF CHEMICAL COMBINATION .
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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