Need help!! - heat of decomposition problem??

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Need help!! - heat of decomposition problem??

Calculate the heat of decomposition for this process @ constant pressure & 25 degrees celsius?
CaCO3 (s) --> CaO (s) + CO2 (g) is the equation
the standard enthalpy of formation for the reactants and products are the following: CaCO3 = -1206.9, CaO = -635.6, & CO2 = -1206.9

2007-04-04 09:20:00 · 1 answers · asked by joyfulgurl4god 1 in Science & Mathematics ➔ Chemistry

1 answers

-1206.9-635.6 + 1206.9 = -635.6 kJ

2007-04-04 09:26:05 · answer #1 · answered by ag_iitkgp 7 · 0⤊ 0⤋