Chemistry Practice Problems Hess's Law Practice Problems Solution: Consider the following balanced thermochemical equ...

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Solution: Consider the following balanced thermochemical equation for the decomposition of the mineral magnesite:MgCO3 (s) ⟶ MgO (s) + CO2 (g)                         ΔH = 117.3 kJWhat is ΔH for the reverse reaction?

Problem

Consider the following balanced thermochemical equation for the decomposition of the mineral magnesite:

MgCO3 (s) ⟶ MgO (s) + CO2 (g)                         ΔH = 117.3 kJ

What is ΔH for the reverse reaction?