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sulfur → S(s)
burned → O2 (g)
sulfur dioxide gas → SO2 (g)
A particular coal contains 2.5% sulfur by mass. When this coal is burned, the sulfur is converted into sulfur dioxide gas. The sulfur dioxide reacts with solid calcium oxide to form solid calcium sulfite.
Write the balanced chemical equations for the reactions.
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Based on our data, we think this problem is relevant for Professor Freeman's class at UNC.