Na +NH3=NaNH2 +H2 怎么理解
氧化还原反应NH3+NaH===NaNH2+H2中H的电子是怎样转移的?
怎么理解消耗1mol氮气 生成1mol氢气 N2+3H2=2NH3
怎么配平()CH4+()O2 ----()CO2+()H2O ()N2+()H2------()NH3 ()NA+()C
N2+3H2=2NH3中通入N2或H2会怎么反应,NH3体积分数怎么变化
H2+N2=.NH3+O2=.
N2+3H2=2NH3
N2 + 3H2 = 2NH3
3H2+N2=2NH3
N2+3H2=3NH3
设NA为阿伏伽德罗常数的数值,下列说法正确的是 A.已知N2(g) + 3H2(g) 2NH3 (g) △H=-92.4
N2+3H2可逆反应2NH3 加压后,N2 H2 NH3的转化率怎么变?变大变小?
N2+3H2=可逆=2NH3(恒温恒压),随着c(Ar)的增加,H2的转化率怎么变?