Enthalpy questions?
Given this enthalpy change
MgCl₂(s)---->Mg²⁺(g) +2Cl⁻(g)
ΔH∅ =+2490KJ/mol
Mg2+(g)----> Mg²⁻ (aq)
ΔH∅ =-1920KJ/mol
Cl⁻(g)---->Cl⁻(aq)
ΔH∅ =-360KJ/mol
What is the Enthalpy change in KJ/mol for following process
MgCl₂(s)---->MgCl₂(aq)
please show the workings
1 answer