Chemistry Homework Solutions
#13293
Enthalpy of Formation
Calcium metal burns according to the following equation: Ca(s) + 1/2 O2(g) --> CaO (s).
When 1.00 g of calcium metal is burned in a constant pressure calorimeter with a heat capacity of 15.20 kJ/K, the temperature increases by 1.04 degrees Celcius. Calculate the enthalpy of formation of calcium oxide. Compare this answer with -635.09 kJ/mol.
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