Question

初中和高一的Na和Cl的化学方程式 共30个

Answer 1

钠：
4Na+O
2
===2Na
2
O
2Na
2
O+
O
2
Na
2
O
2
4Na+2O
2
2Na
2
O
2
2Na+S===Na
2
S（爆炸）
2Na+2H
2
O===2NaOH+H
2
↑　
Na
2
O+H
2
O===2NaOH
2Na
2
O
2
+2H
2
O===4NaOH+O
2
↑
(此反应分两步:Na
2
O
2
+2H
2
O===2NaOH+H
2
O
2
；2H
2
O
2
===2H
2
O+O
2
.)
Na
2
O+CO
2
===Na
2
CO
3
2Na
2
O
2
+2CO
2
===2Na
2
CO
3
+O
2
Na
2
CO
3
+HCl===NaHCO
3
+NaCl
NaHCO
3
+HCl===NaCl+H
2
O+CO
2
↑
Na
2
CO
3
+2HCl===2NaCl+
H
2
O+
CO
2
↑
2NaHCO
3
Na
2
CO
3
+
H
2
O+
CO
2
↑
Cl
2
+H
2
O==HCl+HClO
Cl
2
+2NaOH===NaCl+NaClO+H
2
O
2Cl
2
+2Ca(OH)
2
===CaCl
2
+Ca(ClO)
2
+2H
2
O
Cl
2
+2FeCl
2
===2FeCl
3
Ca(ClO)
2
+H
2
O+
CO
2(
少量)
==
Ca
CO
3
↓+2
HClO
Ca(ClO)
2
+2H
2
O+
2CO
2(
多量)
==
Ca(HCO
3
)
2
↓+2
HClO
Ca(ClO)
2
+2
HCl
==
Ca
Cl
2
+2
HClO（强酸制弱酸）
2HClO
2HCl+O
2
↑

2Cl
2
+2NaBr===2NaCl+Br
2
Cl
2
+2
K
I
===2
K
Cl+I
2
HCl
+
AgNO
3
===
AgCl↓+
HNO
3
Br
2
+2
K
I
===2
K
Br+I
2
4HCl(浓)+MnO
2
MnCl
2
+Cl
2
↑+2H
2
O
HCl
+
AgNO
3
===
AgCl↓
+
HNO
3
HCl
+
AgNO
3
=AgCl↓（白色）+HNO
3