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Calcium Oxide (CaO) is widely used in the production of cement, steel, medicines and many other...

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Chemistry

Calcium Oxide (CaO) is widely used in the production of cement,steel, medicines and many other familiar materials. It is usuallyproduced by heating and decomposing limestone (CaCO3), a cheap andabundant material, in a calcination process:

CaCO3(s) -> CaO(s) + CO2(g)

CaCO3 at 298 K is fed to a continuous reactor. The calcinationis complete, and the products leave at 1000 K. Taking 800 gmol oflimestone as a basis and elemental species [Ca(s), C(s), O2(g)] at298 K as reference for enthalpy calculations.

Ccalculate the required heat transfer to the reactor in MJ.

Answer & Explanation Solved by verified expert
3.9 Ratings (328 Votes)
for the reaction CaCO3 CaO CO2 enthalpy changemole17849 Kjmolemoles of lime stone 800 gmole enthalpy change 17849800142792 Kjmoles of CaO and CO2 formed 800    See Answer
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