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chemistry

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What is the change in entropy when 0.290 g of silicon is burned in excess oxygen to yield silicon dioxide at 298 K?
Si(s) + O2(g) -> SiO2(s); ÄS° = –182.4 J/K at 298 K

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    delta S = -182.4 J for 28.08 g Si. What will it be for 0.290 g?

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