If 491kJMol^-1 Is Released in the Reaction Na⁺(g)+Cl^-(g) $\rarr$ Na⁺Cl^-(g), What Is the Energy Change for the Reaction Na(g)

question 40

Short Answer

If 491kJ.mol^-1 is released in the reaction Na⁺(g)+Cl^-(g) $\rarr$ Na⁺Cl^-(g), what is the energy change for the reaction Na(g)+ Cl(g) $\rarr$ Na⁺Cl^-(g)? (Hint: See the discussion in the text and apply Hess's Law.)

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