Define the standard change in enthalpy

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Reference no: EM13261277

The standard change in enthalpy at 142oC for the following two reactions are, respectively, -23.44 and 94.67 kJ.

[1] 4 X(s) + 3 O2(g) + 2 H2O(l) ? 4 HXO2(g)

[2] H2O(l) + O2(g) + X(s) ? H2XO3(g)

What is the standard enthalpy change at 142oC for the following reaction ?

4 H2XO3(g) ? 4 HXO2(g) + 2 H2O(l) + O2(g)

Reference no: EM13261277

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