已知: (1)H2(g)+1/2O2(g)===H2O(g) ΔH1=a kJ/mol (2)2H2(g)+O2(g)===2H2O(g) ΔH2=b kJ/mol (3)H2(g)+1/2O2(g)===H2O(l) ΔH3=c kJ/mol (4)2H2(g)+O2(g)===2H2O(l) ΔH4=d kJ/mol 下列关系式中正确的是 |
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A.a<c<0 B.b>d>0 C.2a=b<0 D.2c=d>0 |
根据n多题专家分析,试题“已知:(1)H2(g)+1/2O2(g)===H2O(g)ΔH1=akJ/mol(2)2H2(g)+O2(g)===2H2O(g)ΔH2=bkJ/mol(3)H2(g)+1/2O2(g)===H2O(l)ΔH3=ckJ/mol(4)2H2(g)+O2(g)===2H2O(l)ΔH4=dkJ/mol下列关系式…”主要考查了你对 【热化学方程式】 等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。
与“已知:(1)H2(g)+1/2O2(g)===H2O(g)ΔH1=akJ/mol(2)2H2(g)+O2(g)===2H2O(g)ΔH2=bkJ/mol(3)H2(g)+1/2O2(g)===H2O(l)ΔH3=ckJ/mol(4)2H2(g)+O2(g)===2H2O(l)ΔH4=dkJ/mol下列关系式”考查相似的试题有: