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Équations chimiques équilibrées sur12/22/24

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MnO4{-} + Cl{-} + H{+} = Mn{2+} + ClO{-} + H2O =>
2 MnO4{-} + 5 Cl{-} + 6 H{+} = 2 Mn{2+} + 5 ClO{-} + 3 H2O

Cr2O7{2-} + I{-]+H{+} = Cr{3+}+I2+H2O =>
Cr2O7{2-} + 6 I{-]+14H{+} = 2 Cr{3+}+3I2+7H2O

KMnO4 + NaOH + NaHSO3 = Na2MnO4 + H2O + K2SO4 =>
2 KMnO4 + 3 NaOH + NaHSO3 = 2 Na2MnO4 + 2 H2O + K2SO4

K2S(aq) + HCl(aq) = KCl(aq) + H2S(g) =>
K2S(aq) + 2 HCl(aq) = 2 KCl(aq) + H2S(g)

MgOHCl + KHSO4 = MgSO4 + KCl + H2O =>
MgOHCl + KHSO4 = MgSO4 + KCl + H2O

NH4OH + NaNO3 = NaOH + NO3 + NH4 =>
NH4OH + NaNO3 = NaOH + NO3 + NH4

MoO3 + Zn + H2SO4 = Mo203 + ZnSO4 + H2O =>
203 MoO3 + 609 Zn + 609 H2SO4 = Mo203 + 609 ZnSO4 + 609 H2O

Na2SO3(s) + HCl(aq) = NaCl() + H2O() + SO2() =>
Na2SO3(s) + 2 HCl(aq) = 2 NaCl() + H2O() + SO2()

MgOHCl + KHSO4 = MgSO4 + KCl + H2O =>
MgOHCl + KHSO4 = MgSO4 + KCl + H2O

Mn2 + H3AsO4 = Mn3(AsO4)4 + H2 =>
3 Mn2 + 8 H3AsO4 = 2 Mn3(AsO4)4 + 12 H2

Sn4 + H2S = SnS + H =>
Sn4 + 4 H2S = 4 SnS + 8 H

C2H4(OH)2 + O2 = C2H2O4 + H2O =>
C2H4(OH)2 + 2 O2 = C2H2O4 + 2 H2O

HOOCCH2CH2COOH + CH3CH2OH = CH3CH2OOCCH2CH2COOCH3 + H2O =>
2 HOOCCH2CH2COOH + 3 CH3CH2OH = 2 CH3CH2OOCCH2CH2COOCH3 + 3 H2O

Cl2 + Al2O3 = Al + ClO3 =>
Cl2 + 2 Al2O3 = 4 Al + 2 ClO3

CaBr2(aq) + Zn(s) = BrZn + Ca =>
CaBr2(aq) + 2 Zn(s) = 2 BrZn + Ca

CdSO4 + Zn = ZnSO4 + Cd =>
CdSO4 + Zn = ZnSO4 + Cd

N2H4 + SnCl2 + HCl = SnCl4 + NH4Cl =>
N2H4 + SnCl2 + 4 HCl = SnCl4 + 2 NH4Cl

H2O2 + K3(Fe(CN)6) = O2 + K4(Fe(CN)6) + K2H2(Fe(CN)6) =>
H2O2 + 2 K3(Fe(CN)6) = O2 + K4(Fe(CN)6) + K2H2(Fe(CN)6)

Ni{2+} + NH4OH = Ni(OH)2 + NH4{+} =>
Ni{2+} + 2 NH4OH = Ni(OH)2 + 2 NH4{+}

ZnSO4 + BaS = ZnS + BaSO4 =>
ZnSO4 + BaS = ZnS + BaSO4

KMnO4 + C2H5OH + KOH = CH3COOH + H2O + K2MnO4 =>
4 KMnO4 + C2H5OH + 4 KOH = CH3COOH + 3 H2O + 4 K2MnO4

C6H5CHCl2 + NaOH = C6H5CH(OH)2 + NaCl =>
C6H5CHCl2 + 2 NaOH = C6H5CH(OH)2 + 2 NaCl

CH4(s) + O2(g) = H2O + CO2(g) =>
CH4(s) + 2 O2(g) = 2 H2O + CO2(g)

Ni(NO3)2(aq) + KOH(aq) = KNO3(aq) + Ni(OH)2(s) =>
Ni(NO3)2(aq) + 2 KOH(aq) = 2 KNO3(aq) + Ni(OH)2(s)

K2Cr2O7 + KI + HCl + Na2S2O3 = CrCl3 + KCl + H2O + NaI + Na2S4O6 =>
K2Cr2O7 + 6 KI + 14 HCl + 6 Na2S2O3 = 2 CrCl3 + 8 KCl + 7 H2O + 6 NaI + 3 Na2S4O6

MgOHCl + KHSO4 = MgSO4 + KCl + H2O =>
MgOHCl + KHSO4 = MgSO4 + KCl + H2O

KNO3 + Cr2(SO4)3 + NaOH = KNO2 + Na2CrO4 + Na2SO4 + H2O =>
3 KNO3 + Cr2(SO4)3 + 10 NaOH = 3 KNO2 + 2 Na2CrO4 + 3 Na2SO4 + 5 H2O

CO3Mg + H3BO3 = (BO3)2Mg3 + H2CO3 =>
3 CO3Mg + 2 H3BO3 = (BO3)2Mg3 + 3 H2CO3

MgOHCl + KHSO4 = MgSO4 + KCl + H2O =>
MgOHCl + KHSO4 = MgSO4 + KCl + H2O

NaBrO + HCl = Br2 + NaClO + H2O + NaCl =>
2 NaBrO + 2 HCl = Br2 + NaClO + H2O + NaCl

H2 + NCl3 = HCl + N2 =>
3 H2 + 2 NCl3 = 6 HCl + N2

MnO2 + KOH = K2MnO4 + H =>
MnO2 + 2 KOH = K2MnO4 + 2 H

N2 + H2O + Cl{-} = Cl2 + N2H4 + OH{-} =>
N2 + 4 H2O + 4 Cl{-} = 2 Cl2 + N2H4 + 4 OH{-}

KBrO3 + AgNO3 = AgBrO3 + KNO3 =>
KBrO3 + AgNO3 = AgBrO3 + KNO3

HgSO4 + NaOH = Na2SO4 + HgO + H2O =>
HgSO4 + 2 NaOH = Na2SO4 + HgO + H2O

HNO3 + KOH = KNO3HOH =>
HNO3 + KOH = KNO3HOH

BaS(aq) + CaSO4(aq) = BaSO4 + CaS =>
BaS(aq) + CaSO4(aq) = BaSO4 + CaS

AgNO3 + K2CO3 = KNO3 + Ag2CO3 =>
2 AgNO3 + K2CO3 = 2 KNO3 + Ag2CO3

Mo + Na2CO3 + O2 = Na2MoO4 + CO2 =>
2 Mo + 2 Na2CO3 + 3 O2 = 2 Na2MoO4 + 2 CO2

MgOHCl + KHSO4 = MgSO4 + KCl + H2O =>
MgOHCl + KHSO4 = MgSO4 + KCl + H2O

[Co(H20)6]Cl2 + NH4Cl + NH3 + H2O2 = [Co(NH3)6Cl]Cl3 + H2O =>
[Co(H20)6]Cl2 + 2 NH4Cl + 4 NH3 + 61 H2O2 = [Co(NH3)6Cl]Cl3 + 122 H2O

SnO2 + C = CO2 + Sn =>
SnO2 + C = CO2 + Sn

Ag(s) + SnBr4(aq) = AgBr4(aq) + Sn(s) =>
Ag(s) + SnBr4(aq) = AgBr4(aq) + Sn(s)

Cu(s) + AgNO3(aq) = CuNO3(aq) + Ag(s) =>
Cu(s) + AgNO3(aq) = CuNO3(aq) + Ag(s)

KMnO4 + H2O = MnO2 + KOH + O2 =>
4 KMnO4 + 2 H2O = 4 MnO2 + 4 KOH + 3 O2

H2SO4 + Zn = ZnSO4 + H2 =>
H2SO4 + Zn = ZnSO4 + H2

Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2

HNO3 + HSO4 + Hg = Hg2SO4 + NO + H2O =>
HNO3 + 3 HSO4 + 6 Hg = 3 Hg2SO4 + NO + 2 H2O

TiO2 + Na2S2O7 = Na2TiO3 + SO3 =>
TiO2 + Na2S2O7 = Na2TiO3 + 2 SO3

(CuOH)2SO4 + H2O = Cu(OH)2 + H2SO4 =>
(CuOH)2SO4 + 2 H2O = 2 Cu(OH)2 + H2SO4

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