涓撻
07
鍖栧鍙嶅簲涓殑鑳介噺鍙樺寲
1
锛?/p>
[2019
姹熻嫃
]
姘㈡皵涓庢哀姘旂敓鎴愭按鐨勫弽搴旀槸姘㈣兘婧愬簲鐢ㄧ殑閲嶈閫斿緞銆備笅鍒楁湁鍏宠娉曟纭殑鏄?/p>
A
锛庝竴瀹氭俯搴︿笅锛屽弽搴?/p>
2H
2
(g)+O
2
(g)
2H
2
O(g)
鑳借嚜鍙戣繘琛岋紝璇ュ弽搴旂殑
螖
H
<0
B
锛庢阿姘х噧鏂欑數姹犵殑璐熸瀬鍙嶅簲涓?/p>
O
2
+2H
2
O+4e
鈭?
4OH
鈭?/p>
C
锛庡父娓╁父鍘嬩笅锛屾阿姘х噧鏂欑數姹犳斁鐢佃繃绋嬩腑娑堣�?/p>
11.2 L H
2
锛岃浆绉荤數瀛愮殑鏁扮洰涓?/p>
6.02脳
10
23
D
锛庡弽搴?/p>
2H
2
(g)+O
2
(g)
2H
2
O(g)
鐨?/p>
螖
H
鍙�氳繃涓嬪紡浼扮畻锛?/p>
螖
H
=
鍙嶅簲涓舰鎴愭柊鍏变环閿殑閿兘涔嬪拰
鈭?/p>
鍙嶅簲涓柇瑁傛棫鍏变环閿殑閿兘涔嬪拰
銆愮瓟妗堛�?/p>
A
銆愯В鏋愩�?/p>
A.
浣撶郴鑳介噺闄嶄綆鍜屾贩涔卞害澧炲ぇ閮芥湁淇冧娇鍙嶅簲鑷彂杩涜鐨勫�惧悜锛岃鍙嶅簲灞炰簬娣蜂贡搴﹀噺灏忕殑
鍙嶅簲锛岃兘鑷彂璇存槑璇ュ弽搴斾负鏀剧儹鍙嶅簲锛屽嵆
鈭?/p>
H<0
锛屾晠
A
姝ｇ‘锛?/p>
B.
姘㈡哀鐕冩枡鐢垫睜锛?/p>
姘㈡皵浣滆礋鏋侊紝
澶辩數瀛愬彂鐢熸哀鍖栧弽搴旓紝
涓�ф潯浠剁殑鐢垫瀬鍙嶅簲寮忎负锛?/p>
2H
2
鈭?/p>
4e
鈭?/p>
=4H
+
锛?/p>
鏁?/p>
B
閿欒锛?/p>
C.
甯告俯甯稿帇涓嬶紝
V
m
鈮?/p>
22.L/mol
锛屾棤娉曟牴鎹皵浣撲綋绉繘琛屽井绮掓暟鐩殑璁＄畻锛屾晠
C
閿欒锛?/p>
D.
鍙嶅簲涓紝搴旇濡備笅浼扮畻锛?/p>
鈭?/p>
H=
鍙嶅簲涓柇瑁傛棫鍖栧閿殑閿兘涔嬪拰
鈭?/p>
鍙嶅簲涓舰鎴愭柊鍏变环閿殑閿兘涔?/p>
鍜岋紝鏁?/p>
D
閿欒锛?/p>
鏁呴�?/p>
A
銆?/p>
2
锛?/p>
[2019
鏂拌鏍団叀鑺傞�?/p>
]
鐜垔浜岀儻锛?/p>
锛夋槸閲嶈鐨勬湁鏈哄寲宸ュ師鏂欙紝骞挎硾鐢ㄤ簬鍐滆嵂銆佹鑳躲�佸鏂欑瓑鐢熶骇銆?
鍥炵瓟涓嬪垪闂锛?/p>
锛?/p>
1
锛夊凡鐭ワ細
(g)
(g)+H
2
(g)
螖
H
1
=100.3 kJ路
mol
鈭?/p>
1
鈶?/p>
H
2
(g)+ I
2
(g)
2HI(g)
螖
H
2
=鈭?1.0 kJ
路
mol
鈭?/p>
1
鈶?/p>
瀵逛簬鍙嶅簲锛?/p>
(g)+ I
2
(g)
(g)+2HI(g)
鈶?/p>
螖
H
3
=___________kJ路
mol
鈭?/p>
1
銆?/p>
銆愮瓟妗堛�?/p>
(1)89.3
銆愯В鏋愩�?/p>
锛?/p>
1
锛夋牴鎹洊鏂畾寰嬧憼
鈭?nbsp;
鈶★紝鍙緱鍙嶅簲鈶㈢殑
螖H=89.3kJ/mol
锛?/p>
绛旀锛?/p>
89.3
锛?/p>
2019
骞撮珮鑰冪湡棰?/p>