绗?/p>
1
椤?/p>
/
鍏?/p>
10
椤?/p>
2019
瀛﹀勾楂樹簩骞寸骇鍖栧鐞嗙绗竴瀛︽湡鏈熶腑
鑰冭瘯棰?/p>
鍖栧瀵规垜浠璇嗗拰鍒╃敤鐗╄川鍏锋湁閲嶈鐨勪綔鐢紝
灏忕紪鍑嗗浜嗛珮浜屽勾
绾у寲瀛︾悊绉戠涓�瀛︽湡鏈熶腑鑰冭瘯棰橈紝鍏蜂綋璇风湅浠ヤ笅鍐呭銆?/p>
涓�
.
閫夋嫨棰?/p>
(
姣忓皬棰樺彧鏈?/p>
1
涓�夐」绗﹀悎棰樻剰锛屾瘡灏忛
2
鍒嗭紝鍏?/p>
48
鍒?/p>
)
1.
涓嬪垪鐗╄川灞炰簬寮虹數瑙ｈ川涓旇兘瀵肩數鐨勬槸
鈶犳隘鍖栭挔婧舵恫
鈶℃隘鍖栭摰鍥轰綋
鈶㈤摐
鈶ｇ煶澧?/p>
鈶ょ啍铻嶇殑
NaOH
鈶ョ█纭?/p>
閰?/p>
鈶︿箼閰?/p>
A.
鈶?/p>
B.
鈶犫憽鈶?/p>
C.
鈶♀懁鈶モ懄
D.
鈶犫憿鈶ｂ懁鈶?/p>
2.250
鈩冨拰
1.01105 Pa
鏃讹紝
2N2O5(g) = 4NO2(g) + O2(g)
鈻?/p>
H= +56.76
kJ/mol
锛岃鍙嶅簲鑳借嚜鍙戣繘琛岀殑鍘熷洜鏄?/p>
A.
鏄惛鐑弽搴?/p>
B.
鏄斁鐑弽搴?/p>
C.
鏄喌鍑忓皯鐨勫弽搴?/p>
D.
鐔靛澶ф晥搴斿ぇ浜?/p>
鐒撴晥搴?/p>
3.
涓嬪垪璇存硶鎴栬〃绀烘柟娉曟纭殑鏄?/p>
A.
绛夎川閲忕殑纭捀姘斿拰纭浐浣撳垎鍒湪姘ф皵涓畬鍏ㄧ噧鐑э紝
鍚庤�呮斁鍑虹殑鐑噺
澶?/p>
B.
鐢?/p>
C(
鐭冲ⅷ
)=C(
閲戝垰鐭?/p>
) H= +11.9 kJ/mol
锛屽彲鐭?/p>
閲戝垰鐭虫瘮鐭冲ⅷ绋冲畾
C.
姘村姏
(
姘磋兘
)
鎸変笉鍚岀殑鍒嗙被鍙湅鎴愬彲鍐嶇敓鑳芥簮鍜屼竴绾ц兘婧?/p>
D.
鍙〃绀烘阿姘旂噧鐑х儹鐨勭儹鍖栧鏂圭▼寮忎负
H2(g)+1/2O2(g)=H2O(g) H=
-241.8 kJ/mol
4.
涓嬪垪鍏充簬鐢佃В璐ㄦ憾娑茬殑鍙欒堪姝ｇ‘鐨勬槸
A. pH=4. 5
鐨勭暘鑼勬眮涓?/p>
c(H+)
鏄?/p>
pH=6.5
鐨勭墰濂朵腑
c(H+)
鐨?/p>
100
鍊?/p>