Chemical energy
chemical energy n.
Energy liberated by a chemical reaction or absorbed in the formation of a chemical compound.
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- Chemical element
See element.
- Chemical-engineering
noun 1. the science or profession of applying chemistry to industrial processes. noun 1. the branch of engineering concerned with the design, operation, maintenance, and manufacture of the plant and machinery used in industrial chemical processes chemical engineering The branch of engineering that deals with the manufacture of products through chemical processes. These products include, […]
- Chemical equilibrium
A balanced condition within a system of chemical reactions. When in chemical equilibrium, substances form and break down at the same rate, and the number of molecules of each substance becomes definite and constant.
- Chemical evolution
The formation of complex organic molecules from simpler inorganic molecules through chemical reactions in the oceans during the early history of the Earth; the first step in the development of life on this planet. The period of chemical evolution lasted less than a billion years. Note: Many of the steps in chemical evolution can now […]
- Chemical-fingerprint
noun 1. a distinctive characteristic or pattern indicating the presence of a certain molecule, used to identify a chemical.