9,1,4,3,-40,( )
A.81 B.80 C.121 D.120
参考答案:C
2 mol NH3发生反应:2NH3N2+3H2,达到平衡时,测得混合 气体的物质的量为3.6 mol,反应吸收的热量为73.6 kJ,下列表示氮气与氢气反应生成氨气的热化学反应方程式正确的是 [ ]
A.3H2(g)+N2(g) 2NH3(g) ΔH=-92 kJ/mol
B.3H2(g)+N2(g) 2NH3(g) ΔH=-368 kJ/mol
C.3H2(g)+N2(g) 2NH3(g) ΔH=-73.6 kJ/mol
D.3H2(g)+N2(g) 2NH3(g) ΔH=+73.6 kJ/mol
下列哪个选项不是主流的CPU插槽()
A.Socket 479
B.Socket 478
C.LGA1155
D.Socket AM2