The Universal Preceptor: Being a General Grammar of Arts, Sciences, and Useful Knowledge ...A. Phelps, 1826 - 312 страница |
Из књиге
Резултати 1-5 од 20
Страница 19
... oxygen from the atmosphere ; and turn into sub- stances called oxides : the process is called oxidation . 79. If 10 lbs . of lead be melted and heated in this manner , it will be converted into an oxide called red lead ; and the red ...
... oxygen from the atmosphere ; and turn into sub- stances called oxides : the process is called oxidation . 79. If 10 lbs . of lead be melted and heated in this manner , it will be converted into an oxide called red lead ; and the red ...
Страница 20
... oxygen . In the example of red lead , if it be burnt again with powdered charcoal , the charcoal will detach the oxygen from the oxide , and the lead will be obtained again in its pure state : this process is called reduction . 81 ...
... oxygen . In the example of red lead , if it be burnt again with powdered charcoal , the charcoal will detach the oxygen from the oxide , and the lead will be obtained again in its pure state : this process is called reduction . 81 ...
Страница 149
... oxygen ( 85 , ) for the constituent parts of ( 100 ) water ; and azote or nitrogen ( 72 , ) and oxygen ( 28 , ) as the constituent parts of ( 100 ) atmospheric air ; and carbon . Obs . 1. - Wood burnt in a close vessel till it has ...
... oxygen ( 85 , ) for the constituent parts of ( 100 ) water ; and azote or nitrogen ( 72 , ) and oxygen ( 28 , ) as the constituent parts of ( 100 ) atmospheric air ; and carbon . Obs . 1. - Wood burnt in a close vessel till it has ...
Страница 150
... oxygen , and will no longer sustain life . In like manner , a body while burning , deprives air of its 28 parts of oxygen , and the flame will go out . An animal would die , or a flame go out , when put into air so deprived of its ...
... oxygen , and will no longer sustain life . In like manner , a body while burning , deprives air of its 28 parts of oxygen , and the flame will go out . An animal would die , or a flame go out , when put into air so deprived of its ...
Страница 154
... oxygen are absorbed by the blood on the lungs , producing at the same instant , 98 degrees of vital heat , and restoring the veinous blood to its bright red colour . Obs . The lights used in families to feed cats , are the lungs of ...
... oxygen are absorbed by the blood on the lungs , producing at the same instant , 98 degrees of vital heat , and restoring the veinous blood to its bright red colour . Obs . The lights used in families to feed cats , are the lungs of ...
Друга издања - Прикажи све
Чести термини и фразе
acid acre ancient angle animals Asia atmosphere atoms blood bodies Britain Cæsar called carbon carbonic acid cause chief chyle circle clouds colours combined concave lens consists copper countries degrees distance divided division duce earth effect electrical England English equal equator fire fleur-de-lis fluid force four glass globe hatchment heat heavens Hence inches inhabitants insects iron islands Julius Cæsar Jupiter kinds land light matter Mercury metals miles millions mineral moon motion move names nations nature nerves north pole object Ocean optic nerve orbit oxygen pass phenomena pistil plants pounds principle produce proportion quadrupeds rays round Saturn savage savage nations sense side soil solid Sophism south pole species stamens stars stone substance sulphur sulphuric acid supposed surface Syllogism telescope tion trade tribes various vegetables velocity vibrations weight whole winds