Problem: A0.1326 g sample of magnesium was burned in a constant pressure calorimeter. The total heat capacity of the calorimeter plus water was 5,760 J/°C. If the temperature rise of the calorimeter with water was 0.570°C, calculate the enthalpy of combustion of magnesium. Mg(s) + 1/20,(g) → Mg0(s)

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