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Calculate DH for the following reaction, CaO(s) + CO2(g) CaCO3(s) given the thermochemical equations below. 2Ca(s) + O2(g) 2CaO(s) DH = −1270.2 kJ C(s) + O2(g) CO2(g) DH = −393.5 kJ 2Ca(s) + 2C(s) + 3O2(g) 2CaCO3(s) DH = −2413.8 kJ

Calculate DH for the following reaction, CaO(s) + CO2(g) CaCO3(s) given the thermochemical equations below. 2Ca(s) + O2(g) 2CaO(s) DH = −1270.2 kJ C(s) + O2(g) CO2(g) DH = −393.5 kJ 2Ca(s) + 2C(s) + 3O2(g) 2CaCO3(s) DH = −2413.8 kJ

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Calculate D H for the following reaction,
C a O ( s ) + C O 2 ( g ) ⊛ C a C O 3 ( s )
given the thermochemical equations below.
2 C a ( s ) + O 2 ( g ) ⊛ 2 C a O ( s ) D H = − 1270.2 k J C ( s ) + O 2 ( g ) ⊛ C O 2 ( g ) D H = − 393.5 k J 2 C a ( s ) + 2 C ( s ) + 3 O 2 ( g ) ⊗ 2 C a C O 3 ( s ) D H = − 2413.8 k J

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