. Introduction to inorganic chemistry . d is great, light also was given out. In the last ofthe three actions, on the other hand, we obtained a substance (silverchloride), which may be kept for any length of time in the dark, but,by the action of sunlight is broken up into its constituents (p. 14). Itwould appear, therefore, that light may be given out or used in con-nection with chemical change. Noting these facts stimulates us tolook for other similar concomitants of changes in If we dip two wires from a battery or dynamo into a solution ofnitrate of silver (Fig. 12), such as w
. Introduction to inorganic chemistry . d is great, light also was given out. In the last ofthe three actions, on the other hand, we obtained a substance (silverchloride), which may be kept for any length of time in the dark, but,by the action of sunlight is broken up into its constituents (p. 14). Itwould appear, therefore, that light may be given out or used in con-nection with chemical change. Noting these facts stimulates us tolook for other similar concomitants of changes in If we dip two wires from a battery or dynamo into a solution ofnitrate of silver (Fig. 12), such as was used in the third experiment,we observe the instant production of a coating of silver on the nega-tive wire. By preparing the solution properly and allowing theelectricity to flow through it for a sufficient lengthof time, all ofthe compound can be decomposed and all its silver deposited. It isneedless to say that this release of the silver from chemical combina-tion and liberation of the metal at the electrode, goes on only so long. Fig. H. 20 INORGANIC CHEMISTEY
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