鏈�鏂扮簿閫夎祫鏂?/p>
鍖栧鍙嶅簲鐨勭創鍙?/p>
1
锛庡凡鐭ュ父娓╂椂绾㈢７姣旂櫧纾风ǔ瀹氾紝鍦ㄤ笅鍒楀弽搴斾腑锛?/p>
P
4
(
鐧界７锛?/p>
s)
锛?/p>
5O
2
(g)===2P
2
O
5
(s)
螖
H
锛濓紞
a
kJ路mol
锛?/p>
1
4P(
绾㈢７锛?/p>
s)
锛?/p>
5O
2
(g)===2P
2
O
5
(s)
螖
H
锛濓紞
b
kJ路mol
锛?/p>
1
鑻?/p>
a
銆?/p>
b
鍧囧ぇ浜庨浂锛屽垯
a
鍜?/p>
b
鐨勫叧绯讳负
(
)
A
锛?/p>
a
锛?/p>
b
B
锛?/p>
a
锛?/p>
b
C
锛?/p>
a
锛?/p>
b
D
锛庢棤娉曠‘瀹?/p>
銆愮瓟妗堛�?/p>
C
銆愯В鏋愩�戠墿璐ㄨ兘閲忚秺浣庤秺绋冲畾锛岀孩纾锋瘮鐧界７绋冲畾锛屾晠绾㈢７鐨勮兘閲忔瘮鐧界７浣庛�傜敱
螖
H
锛濈敓鎴愮墿鎬昏兘閲?
锛嶅弽搴旂墿鎬昏兘閲忥紝瀵逛簬鏀剧儹鍙嶅簲锛屽綋鐢熸垚鐗╃姸鎬佺浉鍚屾椂锛屽弽搴旂墿鑳介噺瓒婁綆锛屾斁鍑虹儹閲忚秺灏戙�?/p>
2
锛庡凡鐭ュ湪
1脳10
5
Pa
銆?/p>
298 K
鏉′欢涓嬶紝
2 mol
姘㈡皵鐕冪儳鐢熸垚姘磋捀姘旀斁鍑?/p>
484 kJ
鐑噺锛屼笅鍒楃儹鍖栧鏂?/p>
绋嬪紡姝ｇ‘鐨勬槸
(
)
A
锛?/p>
H
2
O(g)===H
2
(g)
锛?/p>
1
2
O
2
(g)
螖
H
锛?42 kJ路mol
锛?/p>
1
B
锛?/p>
2H
2
(g)
锛?/p>
O
2
(g)===2H
2
O(l)
螖
H
锛濓紞484 kJ路mol
锛?/p>
1
C
锛?/p>
H
2
(g)
锛?/p>
1
2
O
2
(g)===H
2
O(g)
螖
H
锛?42 kJ路mol
锛?/p>
1
D
锛?/p>
2H
2
(g)
锛?/p>
O
2
(g)===2H
2
O(g)
螖
H
锛?84 kJ路mol
锛?/p>
1
銆愮瓟妗堛�?/p>
A
銆愯В鏋愩�?/p>
2
mol
姘㈡皵鐕冪儳鐢熸垚姘磋捀姘旀斁鍑?/p>
484
kJ
鐑噺锛屽垯
1
mol
姘㈡皵鐕冪儳鐢熸垚姘磋捀姘斿簲鏀惧嚭
1
2
脳484
kJ
锛?/p>
242 kJ
鐑噺锛屾斁鍑虹儹閲?/p>
螖
H
涓衡�滐紞鈥濓紝鍚勭墿璐ㄧ殑鐘舵�佸垎鍒槸
H
2
(g)
銆?/p>
O
2
(g)
銆?/p>
H
2
O(g)
锛?/p>
B
椤?/p>
涓殑
H
2
O
鐨勭姸鎬佸簲涓烘皵鎬侊紱
C
銆?/p>
D
椤逛腑
螖
H
鐨勭鍙峰簲涓衡�滐紞鈥濓紱
A
椤规槸閫嗗悜杩涜鐨勫弽搴旓紝
螖
H
涓?/p>
鈥滐紜鈥濓紝鏁板�肩浉绛夈�傛晠搴旈�?/p>
A
銆?/p>
3
锛庝笅鍒楀弽搴斾腑锛岀敓鎴愮墿鐨勬�荤創澶т簬鍙嶅簲鐗╃殑鎬荤創鐨勬槸
(
)
A
锛庢阿姘斿湪姘ф皵涓噧鐑?/p>
B
锛庨搧涓濆湪姘ф皵涓噧鐑?/p>
C
锛庣～鍦ㄦ哀姘斾腑鐕冪儳
D
锛庣劍鐐湪楂樻俯涓嬩笌姘磋捀姘斿弽搴?/p>
銆愮瓟妗堛�?/p>
D
銆愯В鏋愩�戠敓鎴愮墿鐨勬�荤創澶т簬鍙嶅簲鐗╃殑鎬荤創锛岃鍙嶅簲涓哄惛鐑弽搴旓紝鏁?/p>
D
椤规纭�?/p>
4
锛庡綋涓や釜鍘熷瓙褰㈡垚鍏变环閿椂锛屽師瀛愮殑鑳介噺灏?/p>
(
)
A
锛庡崌楂?/p>
B
锛庨檷浣?/p>