chemical energy n.
Energy liberated by a chemical reaction or absorbed in the formation of a chemical compound.
chemical energy usually moves in a labyrinth which the chemist may be able to thread only in one direction.
The chemical energy of coal and other fuels cannot be directly converted into electric energy.
Further, the manifoldness of chemical energy is the cause of the peculiar manner in which it is transformed into other forms.
They convert the radiant energy into chemical energy and use this energy in decomposing the carbon dioxide.
While carbon serves to build up the plant body and represents its supply of chemical energy, the oxygen is returned to the air.
The largest expenditure of mechanical and chemical energy is needed for a voluminous solid vegetal diet.
But the chemical energy of the sun's rays is not the sole cause of the fading of colors.
Until now we have generated steam by the chemical energy of burned coal.
The radiant energy of the sun is transformed by plants into chemical energy.
In consequence, however, of their chemical energy these ultra-violet rays are of the utmost importance to the organic world.