Tyndall, John, 1820-1893 · New York, D. Appleton · leaf 133
ocess,then, of expansion from 39° to 32° is to be regarded asincipient crystallisation, which ends in the locking togetherof the poles at the lower temperature. Our conceptions here may be helped by a model whichwill show how an augmentation of volume may result frommolecular polar action. The… … points marked a to be mutually attractive, and thosemarked E mutually repellent, and that the position of thetriangles as shown in the figure corresponds to the maxi-mum density of water. Then the retreat of the polese from each other, and the approach of the poles atowards each other, causing each…
Heat
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