| Équations équilibrées la veille |
Na2CO3(aq) + Ca(OH)2(aq) = CaCO3 + 2 NaOH
Ca(OH)2 + K2Cr2O7 = CaCr2O7 + K(OH) =>
Ca(OH)2 + K2Cr2O7 = CaCr2O7 + 2 K(OH)
S + NaOH = Na2S + Na2S2O3 + H =>
5 S + 6 NaOH = Na2S + 2 Na2S2O3 + 6 H
Al2(SO4)3 + NaOH + C2H2O4 = Na3[Al(C2O4)3] + H2O + Na2SO4 =>
Al2(SO4)3 + 12 NaOH + 6 C2H2O4 = 2 Na3[Al(C2O4)3] + 12 H2O + 3 Na2SO4
Ag2CO3 + HCl = AgCl + CO2 + H2O =>
Ag2CO3 + 2 HCl = 2 AgCl + CO2 + H2O
C6H12ClBr + KCN = C8H12N2 + KCl + KBr =>
C6H12ClBr + 2 KCN = C8H12N2 + KCl + KBr
BaZnO2 + HNO3 = Zn(OH)2 + Ba(NO3)2 =>
BaZnO2 + 2 HNO3 = Zn(OH)2 + Ba(NO3)2
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
Br2O3 + KClO + KOH = KCl + KBrO3 + H2O =>
Br2O3 + 2 KClO + 2 KOH = 2 KCl + 2 KBrO3 + H2O
CaF2 + K2S = CaS + KF =>
CaF2 + K2S = CaS + 2 KF
KOH + BaCl2 = Ba(OH)2 + KCl =>
2 KOH + BaCl2 = Ba(OH)2 + 2 KCl
Na3AsO4 + NaI + H2SO4 = Na3AsO3 + H2O + I2 + Na2SO4 =>
Na3AsO4 + 2 NaI + H2SO4 = Na3AsO3 + H2O + I2 + Na2SO4
CH3COOZn + H2SO4 = SO4 + CH3COOH + Zn =>
2 CH3COOZn + H2SO4 = SO4 + 2 CH3COOH + 2 Zn
HBrO + OH = BrO + H2O =>
HBrO + OH = BrO + H2O
K2SO3 + HCl = KCl + O2 + H2S =>
2 K2SO3 + 4 HCl = 4 KCl + 3 O2 + 2 H2S
Na2CO3 + H2SO4 = Na2SO4 + H2CO3 =>
Na2CO3 + H2SO4 = Na2SO4 + H2CO3
Xe + F2 = XeF4 =>
Xe + 2 F2 = XeF4
V2O5 + H2SO3 = V2(SO3)5 + H2O =>
V2O5 + 5 H2SO3 = V2(SO3)5 + 5 H2O
Be + S = Be2S4 =>
2 Be + 4 S = Be2S4
CuSO4 + KOH = Cu(OH)2 + K2SO4 =>
CuSO4 + 2 KOH = Cu(OH)2 + K2SO4
FeCl3 + H2S = Fe2S3 + HCl =>
2 FeCl3 + 3 H2S = Fe2S3 + 6 HCl
AI + CuSO4 = Cu + AI(SO4)3 =>
AI + 3 CuSO4 = 3 Cu + AI(SO4)3
K2CrO4 + CO2 = Cr2O3 + K2CO3 + O2 =>
4 K2CrO4 + 4 CO2 = 2 Cr2O3 + 4 K2CO3 + 3 O2
Na + Br2(g) = NaBr =>
2 Na + Br2(g) = 2 NaBr
SrBr2 + F = SrF2 + Br =>
SrBr2 + 2 F = SrF2 + 2 Br
Al + Cu2{+} = Al3{+} + Cu(s) =>
3 Al + Cu2{+} = Al3{+} + 2 Cu(s)
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C2H6 + HNO3 = CHNO3 + CH4 =>
2 C2H6 + HNO3 = CHNO3 + 3 CH4
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Cr2O7{2-} + Cl{-} + H{+} = Cr3{+} + H2O + Cl2 =>
3 Cr2O7{2-} + 34 Cl{-} + 42 H{+} = 2 Cr3{+} + 21 H2O + 17 Cl2
MnO4{-} + HSO3{-} + H{+} = Mn{2+} + SO4{2-} + H2O =>
2 MnO4{-} + 5 HSO3{-} + H{+} = 2 Mn{2+} + 5 SO4{2-} + 3 H2O
NH3 + O2 + CH4 = HCN + H2(O) =>
2 NH3 + 3 O2 + 2 CH4 = 2 HCN + 6 H2(O)
AgCl(s) + O2(g) = AgO(g) + Cl2(l) =>
2 AgCl(s) + O2(g) = 2 AgO(g) + Cl2(l)
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Mg(s) + KNO3(aq) = Mg(NO3)2(aq) + K(s) =>
Mg(s) + 2 KNO3(aq) = Mg(NO3)2(aq) + 2 K(s)
Cu(ClO3)2 + Na2CO3 = CuCO3 + NaClO3 =>
Cu(ClO3)2 + Na2CO3 = CuCO3 + 2 NaClO3
Cl2 + NaBr = Na2Cl + Br2 =>
Cl2 + 4 NaBr = 2 Na2Cl + 2 Br2
FeCl2 + NaNO2 = Na4(Fe(NO2)6) + NaCl =>
FeCl2 + 6 NaNO2 = Na4(Fe(NO2)6) + 2 NaCl
K2Cr2O7 + CH3COOH + Na2SO3 = (CH3COO)2Cr + Na2SO4 + CH3COOK + H2O =>
K2Cr2O7 + 6 CH3COOH + 4 Na2SO3 = 2(CH3COO)2Cr + 4 Na2SO4 + 2 CH3COOK + 3 H2O
Zn(C2H3O2)2 + Na3PO4 = Zn3(PO4)2 + Na(C2H3O2) =>
3 Zn(C2H3O2)2 + 2 Na3PO4 = Zn3(PO4)2 + 6 Na(C2H3O2)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NiCl2 + HCl = HCl2 + ClNi =>
NiCl2 + HCl = HCl2 + ClNi
Al(OH)3 + NaOH = NaAlO2 + H2O =>
Al(OH)3 + NaOH = NaAlO2 + 2 H2O
[AuBr4] + SO2 + H2O = HBr + Au + H2SO4 =>
[AuBr4] + 2 SO2 + 4 H2O = 4 HBr + Au + 2 H2SO4
MgCl2 + Al(NO2)3 = AlCl3 + Mg(NO2)2 =>
3 MgCl2 + 2 Al(NO2)3 = 2 AlCl3 + 3 Mg(NO2)2
Al2O3 + NH4HSO4 = Al(SO4)3 + H2O + NH4 =>
Al2O3 + 6 NH4HSO4 = 2 Al(SO4)3 + 3 H2O + 6 NH4
C4H6 + Cl2 = C4H6Cl4 =>
C4H6 + 2 Cl2 = C4H6Cl4
H2SO3 + Mg(OH)2 = [Mg(OH)]2SO3 + H2O =>
H2SO3 + 2 Mg(OH)2 = [Mg(OH)]2SO3 + 2 H2O
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