Elementary Chemistry |
From inside the book
Page 10
... meaning is to be put upon the statement water can be changed into hydrogen and oxygen ? The history of alchemy , and of the transition from alchemy to chemistry , teaches the necessity of putting , and of answering , such questions as ...
... meaning is to be put upon the statement water can be changed into hydrogen and oxygen ? The history of alchemy , and of the transition from alchemy to chemistry , teaches the necessity of putting , and of answering , such questions as ...
Page 12
... meaning to the terms ' pro- duced ' 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 has taken the place of the ...
... meaning to the terms ' pro- duced ' 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 has taken the place of the ...
Page 14
... meaning can be given to this and similar expres- sions only when we have learned more about chemical occur- rences . In the preceding paragraphs the important truth has been assumed that the one fundamental property of matter is its ...
... meaning can be given to this and similar expres- sions only when we have learned more about chemical occur- rences . In the preceding paragraphs the important truth has been assumed that the one fundamental property of matter is its ...
Page 36
... 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 heavy as water bulk ...
... 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 heavy as water bulk ...
Page 58
... meaning to the term combining weight ( s . par . 74 ) . If that meaning is adopted , the mass of an element expressed by its symbol is seldom the same as the value ob- tained for the combining weight of that element ; but when it is not ...
... meaning to the term combining weight ( s . par . 74 ) . If that meaning is adopted , the mass of an element expressed by its symbol is seldom the same as the value ob- tained for the combining weight of that element ; but when it is not ...
Other editions - View all
Common terms and phrases
acids to form affinity alcohol alkali allotropy ammonia ammonium ammonium chloride 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 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 tube valency vols weight of hydrogen weight of oxygen zinc