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Solution: Without doing any calculations, determine the sign of ΔSsys and ΔSsurr for each of the chemical reactions below.2 NO2(g) → 2 NO(g) + O2(g), ΔH˚rxn = +113.1 kJ

Problem

Without doing any calculations, determine the sign of ΔSsys and ΔSsurr for each of the chemical reactions below.

2 NO2(g) → 2 NO(g) + O2(g), ΔH˚rxn = +113.1 kJ