| Équations équilibrées la veille | Équations équilibrées le lendemain |
8 CuSO4 + 8 KI + Na2S2O3 + 5 H2O = 5 H2SO4 + 8 CuI + Na2SO4 + 4 K2SO4
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
CaC2 + HBr = CaBr2 + C2H2 =>
CaC2 + 2 HBr = CaBr2 + C2H2
HCl + NaCO3 = HCO3 + NaCl =>
HCl + NaCO3 = HCO3 + NaCl
NaHSO3 = SO2 + H2O + Na2SO3 =>
2 NaHSO3 = SO2 + H2O + Na2SO3
Na1S{-}2 + Ba2Cl{-}1 = Na1Cl{-}1 + Ba2S{-}2 =>
Na1S{-}2 + Ba2Cl{-}1 = Na1Cl{-}1 + Ba2S{-}2
AlCl3 + NH3 = AlH3 + NCl3 =>
AlCl3 + NH3 = AlH3 + NCl3
CsI + TlI = CsTlI + I =>
CsI + TlI = CsTlI + I
Mg + At2 = MgAt =>
2 Mg + At2 = 2 MgAt
Mg(NO3)2 + H2SO4 = MgSO4 + HNO3 =>
Mg(NO3)2 + H2SO4 = MgSO4 + 2 HNO3
SnCl2*2H2O + C3H7NO = Sn + CO2 + HCl + H2O + (CH3)2NH =>
SnCl2*2H2O + C3H7NO = Sn + CO2 + 2 HCl + H2O + (CH3)2NH
C2H12OH + H2O = CH3COOH + H2 =>
2 C2H12OH + 2 H2O = 2 CH3COOH + 11 H2
Nd2(CO3)3*8H2O + HF = NdF3 + CO2 + H2O =>
Nd2(CO3)3*8H2O + 6 HF = 2 NdF3 + 3 CO2 + 11 H2O
Zn + OH{-} + H2O = [Zn(OH)4]{-} + H2 =>
2 Zn + 2 OH{-} + 6 H2O = 2[Zn(OH)4]{-} + 3 H2
H3CO3 + NH4OH = (NH4)3CO3 + H2O =>
H3CO3 + 3 NH4OH = (NH4)3CO3 + 3 H2O
AgNO3(aq) + Na3PO4(aq) = Ag3PO4 + NaNO3 =>
3 AgNO3(aq) + Na3PO4(aq) = Ag3PO4 + 3 NaNO3
Rb + CO3 = Rb2CO3 =>
2 Rb + CO3 = Rb2CO3
H{3}PO{4} + MgCO{3} = Mg{3}(PO{4}){2} + CO{2} + H{2}O =>
2 H{3}PO{4} + MgCO{3} = Mg{3}(PO{4}){2} + CO{2} + 2 H{2}O
H + I2 = HI =>
2 H + I2 = 2 HI
Na2O + H3PO4 = Na3PO4 + H2O =>
3 Na2O + 2 H3PO4 = 2 Na3PO4 + 3 H2O
ZnCu(OH)2 = Zn(OH)2Cu =>
ZnCu(OH)2 = Zn(OH)2Cu
FeOH2 = FeH2O =>
FeOH2 = FeH2O
Al(CN)3 + CuHPO4 = Cu(CN)2 + Al2(HPO4)3 =>
2 Al(CN)3 + 3 CuHPO4 = 3 Cu(CN)2 + Al2(HPO4)3
NaNO2 + FeSO4 + H2SO4 = Na2SO4 + Fe2(SO4)3 + NO + H2O =>
2 NaNO2 + 2 FeSO4 + 2 H2SO4 = Na2SO4 + Fe2(SO4)3 + 2 NO + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
AsO3{3-} + ClO3{-} = AsO4{3-} + Cl{-} =>
3 AsO3{3-} + ClO3{-} = 3 AsO4{3-} + Cl{-}
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Bi(NO3)3 + Na2(Sn(OH)4) + NaOH = Bi + Na2(Sn(OH)6) + NaNO3 =>
2 Bi(NO3)3 + 3 Na2(Sn(OH)4) + 6 NaOH = 2 Bi + 3 Na2(Sn(OH)6) + 6 NaNO3
CS + NH = CH4 + H2S + N2 =>
CS + 6 NH = CH4 + H2S + 3 N2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C12H17NO6 + NaOH = C8H11N + C4H4Na2O6 + H2O =>
C12H17NO6 + 2 NaOH = C8H11N + C4H4Na2O6 + 2 H2O
HNO3 + Al(OH)3 = H2NO5Al + H2O =>
HNO3 + Al(OH)3 = H2NO5Al + H2O
S8 + Na2SO3 + H2O = Na2S2O3*H2O =>
S8 + 8 Na2SO3 + 8 H2O = 8 Na2S2O3*H2O
NO2{-} + MnO4{-} + H{+} = MnO2 + NO3{-} + H2O =>
3 NO2{-} + 2 MnO4{-} + 2 H{+} = 2 MnO2 + 3 NO3{-} + H2O
Zn(NO3)2 = ZnO + NO2 + O2 =>
2 Zn(NO3)2 = 2 ZnO + 4 NO2 + O2
(NH4)2SO4 + BaCl2 = NH4Cl + BaSO4 =>
(NH4)2SO4 + BaCl2 = 2 NH4Cl + BaSO4
Al2(SO4)3 + NaHO = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaHO = 2 Al(OH)3 + 3 Na2SO4
K2Cr2O7 + CH3CHO + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
K2Cr2O7 + 3 CH3CHO + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3COOH + 4 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
CoO + H2 = Co2 + H2O =>
2 CoO + 2 H2 = Co2 + 2 H2O
CaC2 + KOH = KC + Ca(OH)2 =>
CaC2 + 2 KOH = 2 KC + Ca(OH)2
Na3O = Na + O =>
Na3O = 3 Na + O
NH4Cl + CuSO4 = (NH4)SO4 + CuCl =>
NH4Cl + CuSO4 = (NH4)SO4 + CuCl
AgNO3 + K2HgI4 = Ag2HgI4 + KNO3 =>
2 AgNO3 + K2HgI4 = Ag2HgI4 + 2 KNO3
O2 = O0 =>
O2 = 2 O0
BaCl + Ca(NO3)2 = Ba2(NO3)2 + CaCl2 =>
2 BaCl + Ca(NO3)2 = Ba2(NO3)2 + CaCl2
NH4OH(aq) + H2SO4(aq) = (NH4)2SO4(aq) + H2O =>
2 NH4OH(aq) + H2SO4(aq) = (NH4)2SO4(aq) + 2 H2O
Mn(OH4)SnO2O3 = MnO2Sn(OH)4 =>
Mn(OH4)SnO2O3 = MnO2Sn(OH)4
H2PO4(aq) + KOH(aq) = H2O(l) + K2PO4(aq) =>
H2PO4(aq) + 2 KOH(aq) = 2 H2O(l) + K2PO4(aq)
BaSO3 + HCl = BaCl2 + H2SO3 =>
BaSO3 + 2 HCl = BaCl2 + H2SO3
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