Examlex
Of the following,ΔH°f is not zero for ________.
Chemical Changes
Reactions that result in the transformation of substances into one or more different substances, involving the making and breaking of chemical bonds.
Top-down Processing
A cognitive process that uses context and pre-existing knowledge to understand information.
Constriction
The act or process of drawing together or becoming narrower; it can apply to physical objects, bodily processes, or even psychological states.
Accommodation
In psychology, the process of adjusting existing cognitive structures in response to new experiences; in vision, the process by which the eye's lens changes shape to focus near or far objects on the retina.
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