| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 K2HPO4 + 3 Ba(OH)2 = 4 KOH + Ba3(PO4)2 + 2 H2O
Cu2C2 + HNO3 = Cu(NO3)2 + CO2 + H2O + NO =>
Cu2C2 + 8 HNO3 = 2 Cu(NO3)2 + 2 CO2 + 4 H2O + 4 NO
CaC2 + H2 = Ca + C8H8 =>
4 CaC2 + 4 H2 = 4 Ca + C8H8
CH3COOH + AgNO3 = CH3COOAg + HNO3 =>
CH3COOH + AgNO3 = CH3COOAg + HNO3
Fe(NO3)3 + Na2(SO4) = Fe2(SO4)3 + NaNO3 =>
2 Fe(NO3)3 + 3 Na2(SO4) = Fe2(SO4)3 + 6 NaNO3
SnCl2 + H2O + O2 = H2SnO3 + HCl =>
2 SnCl2 + 4 H2O + O2 = 2 H2SnO3 + 4 HCl
K3(PO4) + Ca(NO3)2 = Ca3(PO4)2 + KNO3 =>
2 K3(PO4) + 3 Ca(NO3)2 = Ca3(PO4)2 + 6 KNO3
Ag2SO4 + (NH4)3PO4 = Ag2PO4 + (NH4)3SO4 =>
Ag2SO4 + (NH4)3PO4 = Ag2PO4 + (NH4)3SO4
HCL(aq) + Na2CO3 = NaCL(aq) + H2O + CO2(g) =>
2 HCL(aq) + Na2CO3 = 2 NaCL(aq) + H2O + CO2(g)
Na[Cr(OH)4] + NaClO3 + NaOH = Na2CrO4 + NaCl + H2O =>
2 Na[Cr(OH)4] + NaClO3 + 2 NaOH = 2 Na2CrO4 + NaCl + 5 H2O
C + H + O = C*6H*8O*7 =>
C + 6 H + 8 O = C*6H*8O*7
Cr(OH)3 + Na2SO4 = NaOH + Cr2(SO4)3 =>
2 Cr(OH)3 + 3 Na2SO4 = 6 NaOH + Cr2(SO4)3
FeS2 + H2O + O2 = H2SO4 + Fe =>
FeS2 + 2 H2O + 3 O2 = 2 H2SO4 + Fe
C6H8O6 + CaCO3 = Ca(C6H8O6) + CO2 + H2O =>
11 C6H8O6 + 10 CaCO3 = 10 Ca(C6H8O6) + 16 CO2 + 4 H2O
CH3 = C + H =>
CH3 = C + 3 H
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Fe(OH)3 + H2O2 + KOH = K2FeO4 + H2O =>
2 Fe(OH)3 + 3 H2O2 + 4 KOH = 2 K2FeO4 + 8 H2O
CH3CHO = CH4 + CO1 =>
CH3CHO = CH4 + CO1
HCI + CaCO3 = CaCI2 + H2O + CO =>
2 HCI + CaCO3 = CaCI2 + H2O + 2 CO
OHC{-}CHO + [Ag(NH3)2]OH = NH4OOC{-}COONH4 + Ag + NH3 + H2O =>
OHC{-}CHO + 2[Ag(NH3)2]OH = NH4OOC{-}COONH4 + 2 Ag + 3 NH3 + H2O
Ba(NO3)2 + SO4 = BaSO4 + NO3 =>
Ba(NO3)2 + SO4 = BaSO4 + 2 NO3
K2Cr2O7 + FeSO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 6 FeSO4 + 7 H2SO4 = 3 Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 7 H2O
SO2 + HNO6 + H2O = NO + H2SO4 =>
9 SO2 + 2 HNO6 + 8 H2O = 2 NO + 9 H2SO4
H2 + CuMnO4 = HMnO4 + Cu =>
H2 + 2 CuMnO4 = 2 HMnO4 + 2 Cu
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
C18H40(OH)3 + O2 = CO2 + H2O =>
4 C18H40(OH)3 + 109 O2 = 72 CO2 + 86 H2O
BaCl2H2O + H2SO4 = BaSO4 + H2Cl2 + H2O =>
BaCl2H2O + H2SO4 = BaSO4 + H2Cl2 + H2O
H{2+} + OH{2-} = H2O =>
H{2+} + OH{2-} = H2O
CH3COOH + CaCO3 = CH3C00Ca + CO2 + H2O =>
13 CH3COOH + 8 CaCO3 = 8 CH3C00Ca + 18 CO2 + 14 H2O
CH3COONa + C8H10NCOONa + H2O = C10H15N + CO2 + NaOH =>
3 CH3COONa + 2 C8H10NCOONa + 3 H2O = 2 C10H15N + 4 CO2 + 5 NaOH
CH4 + CH3OH = C2H6O + H2 =>
CH4 + CH3OH = C2H6O + H2
Ag + Cu(NO3) = AgNO3 + Cu =>
Ag + Cu(NO3) = AgNO3 + Cu
NaOCl + Na2S2O3 = NaCl + Na2S2O6 =>
3 NaOCl + Na2S2O3 = 3 NaCl + Na2S2O6
CuO + C6H12O6 = Cu2O + C6H12O7 =>
2 CuO + C6H12O6 = Cu2O + C6H12O7
KNO3 + KI + H2SO4 = NO + K2SO4 + I2 + H2O =>
2 KNO3 + 6 KI + 4 H2SO4 = 2 NO + 4 K2SO4 + 3 I2 + 4 H2O
C6H10 + KMnO4 + H2SO4 = C2H5COOH + K2SO4 + MnSO4 + H2O =>
5 C6H10 + 6 KMnO4 + 9 H2SO4 = 10 C2H5COOH + 3 K2SO4 + 6 MnSO4 + 4 H2O
Na3PO4 + H2O = H3PO4 + Na2O =>
2 Na3PO4 + 3 H2O = 2 H3PO4 + 3 Na2O
ZnCO3 = ZnO + CO2 =>
ZnCO3 = ZnO + CO2
CaOH2O = H2O2Ca =>
CaOH2O = H2O2Ca
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
Fe + NH4OH = FeOH + NH3 + H2 =>
2 Fe + 2 NH4OH = 2 FeOH + 2 NH3 + H2
(NH4)2MoO4 + H3PO4 = (NH4)3PO4 + MoO3 + H2O =>
3(NH4)2MoO4 + 2 H3PO4 = 2(NH4)3PO4 + 3 MoO3 + 3 H2O
Na2S2O3*5H2O = S8 + Na2SO3 + H2O =>
8 Na2S2O3*5H2O = S8 + 8 Na2SO3 + 40 H2O
HI + CaCO3 = CaI + HCO3 =>
HI + CaCO3 = CaI + HCO3
K2CrO4 + Na2SO3 + KOH + H2O = Na2SO4 + K3[Cr(OH)6] =>
2 K2CrO4 + 3 Na2SO3 + 2 KOH + 5 H2O = 3 Na2SO4 + 2 K3[Cr(OH)6]
SH2 + H2O2 = SO3H + H2O =>
2 SH2 + 7 H2O2 = 2 SO3H + 8 H2O
AgNO3(aq) + Ba(OH)2(aq) = Ag2O(aq) + Ba(NO3)2(aq) + H2O(l) =>
2 AgNO3(aq) + Ba(OH)2(aq) = Ag2O(aq) + Ba(NO3)2(aq) + H2O(l)
C9H12 + H2SO4 + K2Cr2O7 = C6H6O + K2SO4 + Cr2(SO4)3 + H2O =>
2 C9H12 + 8 H2SO4 + 2 K2Cr2O7 = 3 C6H6O + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
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