摘要:1.“熵 可看作是“混乱度 .它的符号是“S .下列变化中.△S<0的是 A.3Fe(s)+4H2O(g) =Fe3O4(s)+4H2(g) B.2NO2(g) =N2O4(l) C.2IBr(l) =I2(s)+Br2(g) D.(NH4)2CO3(s) =2NH3(g)+CO2(g)+2H2O(g)
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