- 1 -
2017
姹熻嫃鐪侀珮鑰冨寲瀛﹁瘯鍗峰強瑙ｆ瀽
鍖?/p>
瀛?/p>
鍙兘鐢ㄥ埌鐨勭浉瀵瑰師瀛愯川閲忥細
H 1
C 12
N 14
O 16
Na 23
Mg 24
Al 27
S 32
Cl 35.5
K 39
Ca 40
Mn 55
Fe 56
I 127
閫夋嫨棰?/p>
涓�銆佸崟椤归�夋嫨棰橈細鏈鍏?/p>
10
灏忛锛屾瘡灏忛
2
鍒嗭紝鍏辫
20
鍒嗭紝姣忓皬棰樺彧鏈変竴涓?/p>
锛庯紟锛庯紟
閫夐」绗﹀悎棰樻剰銆?/p>
1
锛庡寲瀛︿笌鐢熶骇銆佺敓娲汇�佺ぞ浼氬瘑鍒囩浉鍏炽�備笅鍒楁湁鍏宠娉曢敊璇殑鏄?/p>
A.
浠庢捣姘翠腑鍙彁鍙栭晛锛岀數瑙ｇ啍铻嶆隘鍖栭晛鍙埗寰楅噾灞為晛
B
锛庡簲鐢ㄩ珮绾害鍗曡川纭呭埗鎴愬厜瀵肩氦缁达紝鎻愰珮淇℃伅浼犺緭閫熷害
C.
鐮斿埗楂樻�ц兘鐨勮�愮（杞儙锛屽彲鍑忓皯
PM2.5
绛夌粏棰楃矑鐗╃殑浜х敓
D
锛庡紑鍙戜簩姘у寲纰冲埗鎴愮殑鍏ㄩ檷瑙ｅ鏂欙紝缂撹В鏃ョ泭涓ラ噸鐨勨�滅櫧鑹叉薄鏌撯�?/p>
2
锛庝笅鍒楁湁鍏虫哀鍏冪礌鍙婂叾鍖栧悎鐗╃殑琛ㄧず姝ｇ‘鐨勬槸
A.
璐ㄥ瓙鏁颁负
8
銆佷腑瀛愭暟涓?/p>
10
鐨勬哀鍘熷瓙锛?/p>
O
18
8
B.
姘у師瀛愮殑缁撴瀯绀烘剰鍥撅細
C
锛庢按鍒嗗瓙鐨勭數瀛愬紡锛?/p>
D
锛庝箼閰哥敳閰殑缁撴瀯绠�寮忥細
HCOOC
2
H
5
3
锛庝笅鍒楄娉曟纭殑鏄?/p>
A
锛庣煶娌圭殑瑁傝В銆佺叅鐨勫共棣忋�佽泲鐧借川鐨勭洂鏋愰兘鏄寲瀛﹀彉鍖?/p>
B. C
2
H
4
Cl
2
銆?/p>
C
5
H
12
鍧囧彧鏈変袱绉嶅悓鍒嗗紓鏋勪綋
C. Na
涓?/p>
H
2
O
鐨勫弽搴旀槸鐔靛鐨勬斁鐑弽搴旓紝璇ュ弽搴旇兘鑷彂杩涜
D
锛庡凡鐭?/p>
25
鈩冦�?/p>
101kPa
锛屽湪绋�婧舵恫涓細
H
+
(aq)+OH
-
(aq)=H2O(aq)
鈻?/p>
H=-57.3kJ/mol
銆傚垯
鐩稿悓鏉′欢涓嬶紝鑻ュ皢鍚?/p>
1molCH
3
COOH
鐨勭█婧舵恫涓庡惈
1molNaOH
鐨勭█婧舵恫娣峰悎锛屾斁鍑虹殑鐑?/p>
閲忕瓑浜?/p>
57.3kJ
4
锛庣敤
H
2
O
2
婧舵恫澶勭悊鍚?/p>
NaCN
鐨勫簾姘寸殑鍙嶅簲鍘熺悊涓?/p>
NaCN+H
2
O
2
+H
2
O=NaHCO
3
+NH
3
锛屽凡鐭ワ細
HCN
閰告�ф瘮
H
2
CO
3
寮便�備笅鍒楁湁鍏宠娉曟纭殑鏄?/p>
(
)
A
锛庤鍙嶅簲涓爱鍏冪礌琚哀鍖?/p>
B.
璇ュ弽搴斾腑
H
2
O
2
浣滆繕鍘熷墏
C
锛庡疄楠屽閰嶅埗
NaCN
婧舵恫鏃讹紝闇�鍔犲叆閫傞噺鐨?/p>
NaOH
婧舵恫
D. 0.lmol/LNaCN
婧舵恫涓惈
HCN
鍜?/p>
CN
-
鎬绘暟鐩负
0.1
脳
6.02
脳
10
23