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Ca, le calcium
Chapitre no 1
Leçon : C, Ca, Cd, Ce, Cf, Cl, Cm, Cn, Co, Cr, Cs, Cu
Retour au C, le carbone Chap. suiv. :Cd, le cadmium
fin de la boite de navigation du chapitre
En raison de limitations techniques, la typographie souhaitable du titre, «
C, Ca, Cd, Ce, Cf, Cl, Cm, Cn, Co, Cr, Cs, Cu : Ca, le calcium Ensemble des formules chimiques/C, Ca, Cd, Ce, Cf, Cl, Cm, Cn, Co, Cr, Cs, Cu/Ca, le calcium », n'a pu être restituée correctement ci-dessus.
Ca
2
+
+
CO
3
2
−
⟶
CaCO
3
{\displaystyle {\ce {Ca^{2+}{}+ CO3^{2-}-> CaCO3}}}
Ca
+
6
B
⟶
CaB
6
{\displaystyle {\ce {Ca + 6 B -> CaB6}}}
Ca
+
2
HBr
⟶
CaBr
2
+
H
2
{\displaystyle {\ce {Ca + 2 HBr -> CaBr2 + H2}}}
CaAl
2
Si
2
O
8
+
H
2
O
+
2
H
+
⟶
Si
2
Al
2
O
5
(
OH
)
4
+
Ca
(
aq
)
2
+
{\displaystyle {\ce {CaAl2Si2O8 + H2O + 2 H^{+}-> Si2Al2O5(OH)4 + Ca^{2+}_{(aq)}}}}
CaAl
2
Si
2
O
8
+
3
H
2
O
+
CO
2
(
g
)
⟶
CaCO
3
+
2
Al
(
OH
)
3
+
2
SiO
2
(
aq
)
{\displaystyle {\ce {CaAl2Si2O8 + 3 H2O + CO2_{(g)}-> CaCO3 + 2 Al(OH)3 + 2 SiO2{(aq)}}}}
CaAl
2
Si
2
O
8
+
6
H
2
O
+
2
H
+
⟶
2
H
4
SiO
4
(
aq
)
+
2
Al
(
OH
)
2
(
aq
)
+
+
Ca
(
aq
)
2
+
+
2
OH
−
{\displaystyle {\ce {CaAl2Si2O8 + 6 H2O + 2 H^+ -> 2 H4SiO4{(aq)}+ 2 Al(OH)2_{(aq)}^{+}{}+ Ca_{(aq)}^{2+}+ 2 OH^{-}}}}
CaOH
2
(
s
)
⟷
Ca
(
aq
)
2
+
+
2
OH
(
aq
)
−
{\displaystyle {\ce {CaOH2_{(s)}<-> Ca^{2+}_{(aq)}{}+ 2 OH^{-}_{(aq)}}}}
CaCO
3
⟶
CaO
+
CO
2
{\displaystyle {\ce {CaCO3 -> CaO + CO2}}}
CaCO
3
+
SiO
2
⟷
CaSiO
3
+
CO
2
{\displaystyle {\ce {CaCO3 + SiO2 <-> CaSiO3 + CO2}}}
CaCO
3
+
H
2
CO
3
(
aq
)
⟶
Ca
(
aq
)
2
+
+
2
HCO
3
(
aq
)
−
{\displaystyle {\ce {CaCO3 + H2CO_{3(aq)}-> Ca^{2+}_{(aq)}{}+ 2 HCO^{-}_{3(aq)}}}}
CaCO
3
(
s
)
+
2
HCl
(
aq
)
⟶
CaCl
2
(
aq
)
+
H
2
O
(
l
)
+
CO
2
(
g
)
{\displaystyle {\ce {CaCO3_{(s)}{}+ 2 HCl_{(aq)}-> CaCl2_{(aq)}{}+ H2O_{(l)}{}+ CO2_{(g)}}}}
C
a
M
g
(
C
O
3
)
2
+
2
S
i
O
2
→
C
a
M
g
S
i
2
O
6
+
2
C
O
2
{\displaystyle {\rm {CaMg(CO_{3})_{2}+2SiO_{2}\to CaMgSi_{2}O_{6}+2CO_{2}}}}
C
a
M
g
(
C
O
3
)
2
+
4
S
i
O
2
+
H
2
O
→
M
g
3
S
i
4
O
10
(
O
H
)
2
+
3
C
a
C
O
3
+
3
C
O
2
{\displaystyle {\rm {CaMg(CO_{3})_{2}+4SiO_{2}+H_{2}O\to Mg_{3}Si_{4}O_{10}(OH)_{2}+3CaCO_{3}+3CO_{2}}}}
2
C
a
M
g
(
C
O
3
)
2
+
S
i
O
2
→
C
a
C
O
3
+
M
g
2
S
i
O
4
+
2
C
O
2
{\displaystyle {\rm {2CaMg(CO_{3})_{2}+SiO_{2}\to CaCO_{3}+Mg_{2}SiO_{4}+2CO_{2}}}}
CaO
+
H
2
O
⟶
Ca
(
OH
)
2
{\displaystyle {\ce {CaO + H2O -> Ca(OH)2}}}
C
a
2
M
g
5
S
i
8
O
22
(
O
H
)
2
+
11
C
a
M
g
(
C
O
3
)
2
→
8
M
g
2
S
i
O
4
+
13
C
a
C
O
3
+
H
2
O
+
9
C
O
2
{\displaystyle {\rm {Ca_{2}Mg_{5}Si_{8}O_{22}(OH)_{2}+11CaMg(CO_{3})_{2}\to 8Mg_{2}SiO_{4}+13CaCO_{3}+H_{2}O+9CO_{2}}}}
C
a
2
M
g
5
S
i
8
O
22
(
O
H
)
2
+
3
C
a
C
O
3
⇌
4
C
a
M
g
S
i
2
O
6
+
C
a
M
g
(
C
O
3
)
2
+
C
O
2
+
H
2
O
{\displaystyle {\rm {Ca_{2}Mg_{5}Si_{8}O_{22}(OH)_{2}+3CaCO_{3}\rightleftharpoons 4CaMgSi_{2}O_{6}+CaMg(CO_{3})_{2}+CO_{2}+H_{2}O}}}
C
a
2
M
g
5
S
i
8
O
22
(
O
H
)
2
+
3
C
a
C
O
3
+
2
S
i
O
2
⇌
5
C
a
M
g
S
i
2
O
6
+
3
C
O
2
+
H
2
O
{\displaystyle {\rm {Ca_{2}Mg_{5}Si_{8}O_{22}(OH)_{2}+3CaCO_{3}+2SiO_{2}\rightleftharpoons 5CaMgSi_{2}O_{6}+3CO_{2}+H_{2}O}}}
C
a
5
(
P
O
4
)
3
O
H
(
s
)
+
5
H
2
S
O
s
(
a
q
)
→
3
H
3
P
O
4
(
a
q
)
+
5
C
a
S
O
4
(
s
)
+
H
2
O
(
l
)
{\displaystyle {\rm {Ca_{5}(PO_{4})_{3}OH_{(s)}+5H_{2}SO_{s(aq)}\to 3H_{3}PO_{4(aq)}+5CaSO_{4(s)}+H_{2}O_{(l)}}}}
