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Sulfur 2.56g is burned at a constant volume calorimeter with excessO2 gas. The temperature increases from 21.25C to 26.72C. Thebomb has a heat capacity of 923J/K and the calorimeter contains 815grams of water. Calculate (change in)U per mole of SO2 formed for the reaction

S8(s)+8o2(g) ---> 8SO2(g)

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