A:2H2(g)+O2(g)═2H2O(l)△H=﹣285.8 kJ•mol
B:CH4(g)+2O2(g)═CO2(g)+2H2O(l)△H=﹣890.3 kJ•mol
C:CH4(g)+2O2(g)═CO2(g)+2H2O(g)△H=﹣890.3 kJ•mol
D:CH4(g)+2O2(g)═CO2(g)+2H2O(l)△H=+890.3 kJ•mol
“人间四月芳菲尽,山寺桃花始盛开”,形成诗中这种现象的非生物因素是( )
Tom is one of _________ students in my class .Yes . He usually prefers _________ at home to playing outside .