`Mg(s)+2HCl (aq) to MgCl_(2) (aq) +H_(2)(g) triangle_(r) H^(@)=-467"kJ/mole"`
`MgO(s)+2HCl(aq) to MgCl_(2) (aq)+H_(2)O(l), triangle_(r)H^(@)=-151"kJ/mole"`
According to the information and given the fact that for water`triangle_(f) H^(@) "=-286 kJ/mole"`, what is the `triangle_(f)H^(@)" for "Mg0 (s)?`

Mg(s) + 2HCl(aq) rarr Mg Cl_(2) (aq) + H_(2)(g) , Delta_(r )H^(@) = -467 kJ//mol MgO(s) + 2HCl (aq) rarr MgCl_(2)(aq) + H_(2)O (l), Delta_(r )H^(@) = -151 kJ//mol W . According to the information, and given the fact that for water, Delta_(f)H^(@) = -286 kJ//mol what is the Delta_(f)H^(@) for MgO(s)?

Mg(s) + 2HCl(aq) rarr Mg Cl_(2) (aq) + H_(2)(g) , Delta_(r )H^(@) = -467 kJ//mol MgO(s) + 2HCl (aq) rarr MgCl_(2)(aq) + H_(2)O (l), Delta_(r )H^(@) = -151 kJ//mol W . According to the information, and given the fact that for water, Delta_(f)H^(@) = -26 kJ//mol what is the Delta_(f)H^(@) for MgO(s)?

Mg(s)+2HCl to MgCl_(2)+H_(2)

Mg(s)+2HCl to MgCl_(2)+H_(2)

Mg(s)+2HCl to MgCl_(2)+H_(2)

Given the experimental information below: 2Sr(s)+O_(2)(g) to 2SrO(s), triangle_(r) H^(@)=-1180"kJ/mole" SrCO_(3)(s) to SrO(s)+CO_(2)(g), triangle_(r) H^(@)=234kJ/mole" 2C(s)+2O_(2)(g) to 2CO_(2)(g), triangle_(r)H^(@)=-788kJ//mole Calculate the enthalpy change triangle_(f)H^(@) for the formation of 1.0 mol of strontium carbonate, the material that gives red color in fireworks, from its elements Sr(s)+"C(graphite)"+3/2 O_(2)(g) to SrCO_(3) (s)

Calculate the enthalpy of formation of anhydrous aluminium chloride, Al_(2)Cl_(6) from the following data : (i) 2Al(s) + 6HCl (aq) to Al_(2)Cl_(6) (aq) + 3H_(2)(g), Delta_(r)H^(@) = -1004.0 kJ (ii) H_(2)(g) + Cl_(2)(aq) to 2HCl(g) , Delta_(r)H^(@) = -183.9 kJ , Delta_(r)H^(@) = -183.9 kJ (iii) HCl(g) + aq to HCl(aq), Delta_(r)H^(@) = -73.2 kJ Al_(2)Cl_(6)(s) + aq to Al_(2) Cl_(2)(aq) , Delta_(r)H^(@) = -643.0 kJ