Question

A. Use standard enthalpies of formation to calculate ?H?rxn for the following reaction.
2NaHCO3(s)?Na2O(s)+2CO2(g)+H2O(g)

B.Use standard enthalpies of formation to calculate ?H?rxn for the following reaction.
Mg(OH)2(s)?MgO(s)+H2O(g)

C.Use standard enthalpies of formation to calculate ?H?rxn for the following reaction.
3NO2(g)+H2O(l)?2HNO3(aq)+NO(g)

D.Use standard enthalpies of formation to calculate ?H?rxn for the following reaction.
C6H12O6(s)+6O2(g)?6CO2(g)+6H2O(g)