A.S(s,单斜)+O2(g)=SO2(g)△H ="+297.16" kJ•mol-1 |
B.S(s,单斜)+O2(g)=SO2(g)△H ="-296.83" kJ•mol-1 |
C.S(s,正交)+O2(g)=SO2(g)△H ="-296.83" kJ•mol-1 |
D.单斜硫比正交硫更稳定 |
A.12ΔH3+5ΔH2-2ΔH1 | B.2ΔH1-5ΔH2-12ΔH3 |
C.12ΔH3-5ΔH2-2ΔH1 | D.ΔH1-5ΔH2-12ΔH3 |
© 2017-2019 超级试练试题库,All Rights Reserved.