【简答题】When he was eigh, he became a Party member.At ______ ______ of eigh, he became a Party member.
【单选题】已知: H 2 (g)+I 2 (g)→2HI(g) , △ r H m q (1) ; H 2 (g)+I 2 (s)→2HI(g) , △ r H m q (2) ;则 △ r H m q (1) 与 △ r H m q (2) 的关系是 ( ) 。
A.
△ r H m q (1)> △ r H m q
B.
△ r H m q (1)< △ r H m q (2)
C.
△ r H m q (1)= △ r H m q (2)
D.
△ r H m q (1)=‒ △ r H m q (2)
【单选题】已知 C 2 H 2 (g)+ 5/2O 2 (g)= H 2 O(l)+ 2CO 2 (g) ⊿ r H m ɵ , 1 C(s)+ O 2 (g) = CO 2 (g) ⊿ r H m ɵ , 2 H 2 (g) + 1/2O 2 (g) = H 2 O(g) ⊿ r H m ɵ , 3 则 ⊿ f H m ɵ (C 2 H 2 , g) 与 ⊿ r H m ɵ , 1 、 ⊿ r H m ɵ...
A.
⊿ f H m ɵ (C 2 H 2 , g) = ⊿ r H m ɵ , 1 + ⊿ r H m ɵ , 2 + ⊿ r H m ɵ , 3
B.
⊿ f H m ɵ (C 2 H 2 , g) =2 ⊿ r H m ɵ , 2 - ⊿ r H m ɵ , 1 - ⊿ r H m ɵ , 3
C.
⊿ f H m ɵ (C 2 H 2 , g) =2 ⊿ r H m ɵ , 2 + ⊿ r H m ɵ , 1 + ⊿ r H m ɵ , 3
D.
⊿ f H m ɵ (C 2 H 2 , g) =2 ⊿ r H m ɵ , 2 - ⊿ r H m ɵ , 1 + ⊿ r H m ɵ , 3
【简答题】He did too little p______ for his examination.
【判断题】第二套人民币纸币有12种不同的面额。()
【多选题】进入中国人民银行官网,点击信息公开——人民币—人民币发行——右侧的栏目导航——第二套人民币——第二套人民币票样 元,了解第二套货币“元”的面额有( )等几种。
【简答题】He wondered whether it would be p______( 适当 )to knock at the door of her room.