2NaOHs的知识精选

(2017·海南卷)已知:①2NaOH(s)+CO2(g)===Na2CO3(g)+H2O(g) ΔH1=-1...
问题详情:(2017·海南卷)已知:①2NaOH(s)+CO2(g)===Na2CO3(g)+H2O(g)ΔH1=-127.4kJ·mol-1②NaOH(s)+CO2(g)===NaHCO3(s)ΔH2=-131.5kJ·mol-1反应2NaHCO3(s)===Na2CO3(s)+H2O(g)+CO2(g)的ΔH=________kJ·mol-1,该反应的平衡常数表达...
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