Essentials of Physics And Chemistry Written Especially for the Use of Students in Medicine
The book Essentials of Physics And Chemistry Written Especially for the Use of Students in Medicine was written by author Cutler, Condict Walker, 1859-1930 Here you can read free online of Essentials of Physics And Chemistry Written Especially for the Use of Students in Medicine book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Essentials of Physics And Chemistry Written Especially for the Use of Students in Medicine a good or bad book?
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• II S=0, or SO 3, sulphuric oxide.
II O From these oxides there are formed, on the plan of the water type, the following acids : OH S< OH, or HgSOg, hyposulphurous acid.
H3SO3, sulphurous acid.
'HgS04, sulphuric acid.
SULPHUROUS OXIDE AND ACID.
Formula: SO^. S=0 II O Occurrence. Sulphurous oxide is found free in volcanic gases.
Preparation. It is always formed by the combustion of sulphur in the presence of oxygen. Thus : Sulphur. Oxyg^en, Sulphurous oxide.
S + Og = SOg, or by the reduction of sulphuric acid by copper. Thus : Copper. Sulphuric acid. Copper sulphate. Sulphurous oxide. Water.
Cu + 2HgS04 = CUSO4 + SO3 + 2H3O.
Properties.
a. Physical. Sulphurous oxide, or commonly called sulphur di-oxide, is a pungent gas with a suffocating odor; twice heavier than air and freely soluble in water.
b. Chemical. It is not combustible or a supporter of combustion. It unites with metallic oxides to form sulph- Inorganic Chemistry. 155 ites. Combining with a molecule of water it forms sulphurous acid, which is a liquid having an acid reaction.
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