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the phase change of a substance from the solid phase directly into the gas phase without passing through an intermediate liquid phase.
a table providing the standard potential values for half reactions. It is based upon the...
a hydrocarbon with single bonds between carbon atoms and one hydrogen replaced by a hydroxyl...
a material that has intermediate electrical conductivity that can be changed and controlled. It...
the part of the Earth and its atmosphere in which life can exist.
the stratosphere extends from a height of 10 km to 50 km above the surface of the Earth.