Problem: Without doing any calculations, determine the sign of ΔSsys and ΔSsurr for each of the chemical reactions below.2 CO(g) + O2(g) ⇌ 2 CO2(g), ΔH˚rxn = –566.0  kJ

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Recall that entropy is the degree of chaos or disorder of a system. For a given process, entropy (ΔS) will either increase or decrease.


The reaction given:

2 CO(g) + O2(g)  2 CO2(g)            ΔH˚rxn = – 566.0  kJ

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Problem Details

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

2 CO(g) + O2(g) ⇌ 2 CO2(g), ΔH˚rxn = –566.0  kJ