63. Cinnabar is a eventual mercury(II) sulfide, HgS, ground adjacent volcanic rocks and fiery springs. It is the simply leading rise of mercury, which has divers uses, including dental amalgams, thermometers, and mercury steam lamps. Mercury is formed in the aftercited endothermic reaction when mercury(II) sulfide is heated. Consider a method in which a pattern of HgS in a reserved container is heated with a Bunsen burner flame. 8HgS(s) ? 8Hg(l ) + S8(s)
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