Related questions

Question

Calculate the standard enthalpy change for the following reaction: 2Al(s) + 3Cl2(g) → 2AlCl3(s) ΔrHϴ = ? Use following thermochemical data in your calculation: 2Al(s) + 6HCl(aq) → 2AlCl3(aq) + 3H2(g) ΔrHϴ = −1049 kJ HCl(g) → HCl(aq) ΔrHϴ = −74.8 kJ H2(g) + Cl2(g) → 2HCl(g) ΔrHϴ = −185 kJ AlCl3(s) → AlCl3(aq) ΔrHϴ = −323 kJ (A) −1826 kJ (B) −1451 kJ (C) −1502 kJ (D) −1407 kJ (E) −1884 kJ