問答題反應(yīng)N2(g) + 3H2(g) → 2NH3(g)在恒容沒量熱器內(nèi)進(jìn)行,生成2molNH3時(shí)放出能量82.7kJ,求反應(yīng)的△rUθm和298K時(shí)反應(yīng)的△rUθm

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