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Embark on a captivating journey through the chemistry of coal in this illuminating lecture by Andrew Szydlo at The Royal Institution. Explore the fascinating history of coal, from its initial discovery to its pivotal role in fueling the industrial revolution. Delve into the surprising compounds derived from coal and their various applications. Learn about William Murdoch's contributions, the environmental impacts of coal usage, and its heating properties. Discover the significance of sulfur in coal chemistry, the production and uses of coal tar, and the role of coal as a reducing agent. Investigate the creation of calcium carbide and its applications in welding. Experience the unique connection between coal and Welsh choirs in this comprehensive exploration of coal's chemical properties and historical importance.