Which ions are present in MgO(s) Calculate the enthalpy change for the reaction Mg(s) + 1//2O_(2)(g) rarr MgO(s) What kind of enthalpy change is this? Standard enthalpy of formation of MgO. DeltaH_(atom(O))= +249 kJ mol^(-1) "" DeltaH_(atom(Mg))=+148 kJ mol^(-1) DeltaH_("1st ionisation energy" (Mg))=+738 KJ mol^(-1) "" DeltaH_(2nd "electron energy "(Mg))= +145 1 kJ mol^(-1) DeltaH _("1st electron affinity "(O))= -141 kJ mol^(-1) "" DeltaH_(2nd " electron affinity "(O)) =+798 kJ mol^(-1) DeltaH_("lattice energy "(MgO))= - 3791 kJ mol^(-1)

Which ions are present in MgO(s) Calculate the enthalpy change for the

1.	Which ions are present in MgO(s) Calculate the enthalpy change for the reaction Mg(s) + 1//2O_(2)(g) rarr MgO(s) What kind of enthalpy change is this? Standard enthalpy of formation of MgO. DeltaH_(atom(O))= +249 kJ mol^(-1) "" DeltaH_(atom(Mg))=+148 kJ mol^(-1) DeltaH_("1st ionisation energy" (Mg))=+738 KJ mol^(-1) "" DeltaH_(2nd "electron energy "(Mg))= +145 1 kJ mol^(-1) DeltaH _("1st electron affinity "(O))= -141 kJ mol^(-1) "" DeltaH_(2nd " electron affinity "(O)) =+798 kJ mol^(-1) DeltaH_("lattice energy "(MgO))= - 3791 kJ mol^(-1)
Answer» SOLUTION : IONIC BOND : -548 kJ/mol