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THERMODYNAMICS
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What is the significance of the reaction 1/2 N₂(g) + H₂(g) → NH₃(g) having ∆rH⁰ = –46.1 kJ mol⁻¹?
A. It is an exothermic reaction forming ammonia
B. It absorbs energy
C. It is non-spontaneous
D. It occurs only in sunlight
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