Examlex
Determine S° for the reaction SO3(g) + H2O(l) H2SO4(l) .
Mason-Dixon Line
A demarcation line originally surveyed in the 1760s that came to symbolize the cultural boundary between the Northern and Southern United States.
Railroad Industry
The sector of the economy involved in the operation of trains and the management of train transportation.
Coal Mining
The process of extracting coal from the ground, which has historically been a major industry in various parts of the world, including the United States and the United Kingdom.
European Rail System
The extensive network of railways connecting various countries across Europe, known for its efficiency and connectivity, offering both freight and passenger services.
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