将下列长度的三根木棒首尾顺次连接,不能组成直角三角形的是. ( )
A:1, 2 , 3
B:5,12,13
C:6,8,10
D:3, 4 , 5
stay in the hospital
Zn(s)+ 12 O2(g)═ZnO(s)△H1=﹣351.1kJ/mol
Hg(l)+ 12 O2(g)═HgO(s)△H2=﹣90.7kJ/mol
由此可知Zn(s)+HgO(s)═ZnO(s)+Hg(l)的△H3,其中△H3的值是( )