A:2H+(aq) +SO42-(aq)+Ba2+(aq)+2OH-(aq)=BaSO4(s)+2H2O(1);ΔH=-57.3 kJ/mol
B:KOH(aq)+H2 SO4(aq)=K2SO4(aq)+H2O(l);ΔH=-57.3kJ/mol
C:2C8H18(g)+25O2(g)=16CO2(g)+18H2O(1);ΔH=-5518 kJ/mol
D:C8H18(l)+ 25/2 O2(g)=8CO2(g)+ 9H2O(1);ΔH=-5518 kJ/mol
在蚕豆根和叶的细胞中,分别含有的能量转换器是( )
细菌分布广泛与它们的哪些特点有关?