你可能感兴趣的试题
Fe+H2S→H2+FeS Fe+H2S→H2+Fe3O4 Fe+H2S→H2O+FeS 3Fe+4H2S→4H2+Fe3S4
ΔH1>0,ΔH3<0 ΔH2>0,ΔH4>0 ΔH1=ΔH2+ΔH3 ΔH3=ΔH4+ΔH5
△H4 = 2/3(△H1 +△H2 - 3△H3) △H4 = 2/3(3△H3 -△H1 -△H2)
△H4 = 3/2(△H1 +△H2 - 3△H3) △H4 = 3/2 (△H1 -△H2 - 3△H3)
HgS As2S3 Fe2O4 FeS3 CaSO42H3O
Fe3O4+H2+H2S===3FeS+4H2O Fe3O4+H2+3H2S===3FeS+4H2O Fe3O4+H2+3H2S===FeS+4H2O Fe3O4+2H2+3H2S===3FeS+4H2O
△H4= 2/3(△H1 + △H2 - 3△H3) △H4= 2/3(3△H3 - △H1 -△H2) △H4= 3/2(△H1 + △H2 - 3△ H3 ) △H4= 3/2(△H1 - △H2 - 3△H3)
△H.4=2/3(△H.1+△H.2-3△H.3) △H.4=2/3(3△H.3-△H.1-△H.2) △H.4=3/2(△H.1+△H.2+3△H.3) △H.4=3/2(△H.1-△H.2-3△H.3)
4FeS2(s)+11O2(g)===2Fe2O3(s)+8SO2(g);ΔH.=+853.7 kJ·mol-1 FeS2(s)+11/4O2(g)===1/2Fe2O3(s)+2SO2(g);ΔH.=-853.7 kJ·mol-1 4FeS2(s)+11O2(g)===2Fe2O3(s)+8SO2(g);ΔH.=+3 414.8 kJ·mol-1 FeS2(s)+11/4O2(g)===1/2Fe2O3(s)+2SO2(g);ΔH.=-3 414.8 kJ·mol-1
H2(g)+O2(g)===H2O(g)ΔH1 C (s)+O2(g)===CO(g)ΔH2 S(s)+O2(g)===SO2(g)ΔH3 H2S(g)+O2(g)===S(s)+H2O(l)ΔH4
△H4=2/3(△H1+△H2-3△H3) △H4=2/3(3△H3-△H1-△H2) △H4=3/2(△H1+△H2-3△H3) △H4=3/2(△H1-△H2-3△H3)
△H1>0,△H3<0 △H2>0,△H4>0 △H1=△H2+△H3 △H3=△H4+△H5
△H4=(△H1+△H2﹣3△H3) △H4=(3△H3﹣△H1﹣△H2) △H4=(△H1+△H2﹣3△H3) △H4=(△H1﹣△H2﹣3△H3)
△H1>0,△H3<0 △H2>0,△H4>0 △H1=△H2+△H3 △H3=△H4+△H5
2FeS+6H2SO4=Fe2(SO4)3+3SO2↑+2S+6H2O
4FeS+18H2SO4=2Fe2(SO4)3+9SO2↑+7S+18H2O
6FeS+16H2SO4=3Fe2(SO4)3+6SO2↑+7S+16H2O
8FeS+18H2SO4=4Fe2(SO4)3+3SO2↑+11S+18H2O
△H1>△H2>△H3>△H4 △H4>△H2>△H3>△H1 △H3>△H4>△H1>△H2 △H4>△H3>△H2>△H1
△H1>0,△H3<0 △H2>0,△H4>0 △H1=△H2+△H3 △H3=△H4+△H5
△H4 = 2/3(△H1 +△H2 - 3△H3) △H4 = 2/3(3△H3 -△H1 -△H2)
△H4 = 3/2(△H1 +△H2 - 3△H3) △H4 = 3/2(△H1 -△H2 - 3△H3)
△H4=(△H1+△H2-3△H3) △H4=(3△H3-△H1-△H2) △H4=(△H1+△H2-3△H3) △H4= (△H1-△H2-3△H3)