A:broken; broke
B:broken; broken
C:break; broke
D:broke; broke
下列运算正确的是( )
①2NO(g)+O2(g)⇌2NO2(g)
②2NO2(g)⇌N2O4(g)
测得NO2和N2O4的浓度变化如图所示,0~10min维持容器温度为T1℃,10min后升高并维持容器的温度为T2℃.下列说法正确的是( )