The standard enthalpies of formation of Al2O3 and CaO are $-$1675 kJ mol-1 and $-$635 kJ mol$-$1 respectively.For the reaction3CaO + 2Al $ \to $ 3Ca + Al2O3 the standard reaction enthalpy $\Delta$rH0 = _________ kJ.(Round off to the Nearest Integer)

Question

The standard enthalpies of formation of Al₂O₃ and CaO are $-$1675 kJ mol^-1 and $-$635 kJ mol^$-$1 respectively.

For the reaction

3CaO + 2Al $ \to $ 3Ca + Al₂O₃ the standard reaction enthalpy $\Delta$_rH⁰ = _________ kJ.

(Round off to the Nearest Integer)

Correct Answer

230

Solution

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