Calculate the lattice energy of magnesium sulfide Mg(s) → Mg(g) Mg(g) → Mg2+(g) + 2 e- S8(s) → 8 S(g) S(g) + 2 e→ S²(g) 8 Mg(s) + S8(s) → 8 MgS(s) Mg²+(g) + S²-(g) → MgS(s) www AH=148 kJ AH°2186 kJ AH°=+2232 kJ AH°450 kJ ΔΗ° = -2744 kJ AH° = ? kJ

Calculate the lattice energy of magnesium sulfide Mg(s) → Mg(g) Mg(g) → Mg2+(g) + 2 e- S8(s) → 8 S(g) S(g) + 2 e→ S²(g) 8 Mg(s) + S8(s) → 8 MgS(s) Mg²+(g) + S²-(g) → MgS(s) www AH=148 kJ AH°2186 kJ AH°=+2232 kJ AH°450 kJ ΔΗ° = -2744 kJ AH° = ? kJ

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter19: The Chemistry Of The Main-group Elements

Section: Chapter Questions

Problem 96QRT: Use a Born-Haber cycle (Sec. 5-13) to calculate the lattice energy of MgF2 using these thermodynamic...

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Question

Calculate the lattice energy of magnesium sulfide
Mg(s) → Mg(g)
Mg(g) → Mg2+(g) + 2 e-
S8(s) → 8 S(g)
S(g) + 2 e→ S²(g)
8 Mg(s) + S8(s) → 8 MgS(s)
Mg²+(g) + S²-(g) → MgS(s)
www
AH=148 kJ
AH°2186 kJ
AH°=+2232 kJ
AH°450 kJ
ΔΗ° = -2744 kJ
AH° = ? kJ

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