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ThermodynamicsMCQ

For the formation of one mole of each of these gases from their elements, which reaction is most end — Thermodynamics Chemistry Question

Question

For the formation of one mole of each of these gases from their elements, which reaction is most endothermic?

A.

CO (∆Hfo = –110.5 kJ·mol–1)

B.

NO2 (∆Hfo = +33.9 kJ·mol–1)

C.

O3 (∆Hfo = +142.2 kJ·mol–1)

✓ Correct
D.

SO2 (∆Hfo = –300.4 kJ·mol–1)

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