| Équations équilibrées la veille |
Fe + H2C2O4 + H2O = FeC2O4H2O + 2 H
FeS + O2 = FeO2 + SO2 =>
FeS + 2 O2 = FeO2 + SO2
C10H15NO*HCl + HI = C10H15N + I2 + H2O + HCl =>
C10H15NO*HCl + 2 HI = C10H15N + I2 + H2O + HCl
Cu + CO2 + O2 + H2O = Cu(OH)2CO3 =>
Cu + CO2 + O2 + H2O = Cu(OH)2CO3
N2 + H3 = N2H2 =>
3 N2 + 2 H3 = 3 N2H2
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
C4H8 + NH3 = (C2H5)2NH =>
C4H8 + NH3 = (C2H5)2NH
C + O2 = CO2 =>
C + O2 = CO2
CoBr2 + Na2S = CoS + BrNa =>
CoBr2 + Na2S = CoS + 2 BrNa
Cr(OH)3 + Li2O = LiOH + Cr2O3 =>
2 Cr(OH)3 + 3 Li2O = 6 LiOH + Cr2O3
KBrO3 + HBr = H2O + Br2 + KOH =>
KBrO3 + 5 HBr = 2 H2O + 3 Br2 + KOH
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO + HNO3 + CO2 + H2O =>
22 K4Fe(CN)6 + 122 KMnO4 + 365 H2SO4 = 210 KHSO4 + 11 Fe2(SO4)3 + 122 MnSO + 132 HNO3 + 132 CO2 + 194 H2O
P + Ba(OH)2 + H2O = PH3 + Ba(PH2O2)2 =>
8 P + 3 Ba(OH)2 + 6 H2O = 2 PH3 + 3 Ba(PH2O2)2
Ca + Zn(NO3)3 = Ca(NO3) + Zn =>
3 Ca + Zn(NO3)3 = 3 Ca(NO3) + Zn
Na4Cu(CN)6 + NaCrO4 + H2SO4 = NaHSO4 + Cu2(SO4)3 + CrSO4 + HNO3 + CO2 + H2 =>
4 Na4Cu(CN)6 + 30 NaCrO4 + 82 H2SO4 = 46 NaHSO4 + 2 Cu2(SO4)3 + 30 CrSO4 + 24 HNO3 + 24 CO2 + 47 H2
CuSO4 + H2SO3 = CuO + H2SO4 + SO2 =>
CuSO4 + H2SO3 = CuO + H2SO4 + SO2
Sn + AgF = Ag + SnF2 =>
Sn + 2 AgF = 2 Ag + SnF2
K2Cr2O7 + CH3CH2OH + H2SO4 = Cr2(SO4)3 + CH3COOH + K2(SO4) + H2O =>
2 K2Cr2O7 + 3 CH3CH2OH + 8 H2SO4 = 2 Cr2(SO4)3 + 3 CH3COOH + 2 K2(SO4) + 11 H2O
NaI + MgCl2 = MgI2 + NaCl =>
2 NaI + MgCl2 = MgI2 + 2 NaCl
Ag2S + KCN = KAg(CN)2 + K2S =>
Ag2S + 4 KCN = 2 KAg(CN)2 + K2S
Fe + HCl = H2 + Cl3Fe =>
2 Fe + 6 HCl = 3 H2 + 2 Cl3Fe
C6H12O6 + S + H2O = SH2 + CO2 =>
C6H12O6 + 12 S + 6 H2O = 12 SH2 + 6 CO2
Ni(OH)2 = Ni + H2O2 =>
Ni(OH)2 = Ni + H2O2
NaC1 + H2S = Na2S + HC1 =>
2 NaC1 + H2S = Na2S + 2 HC1
Na(Al(OH)4) = NaOH + Al(OH)3 =>
Na(Al(OH)4) = NaOH + Al(OH)3
Ca(CH3CO2)2 + HCl = CaCl2 + H(CH3CO2) =>
Ca(CH3CO2)2 + 2 HCl = CaCl2 + 2 H(CH3CO2)
KI + H2SO4 + Na2[B2(O2)2(OH)4] = K2SO4 + I2 + NaOH + B + H2O =>
10 KI + 5 H2SO4 + Na2[B2(O2)2(OH)4] = 5 K2SO4 + 5 I2 + 2 NaOH + 2 B + 6 H2O
Sr(HCO) + RbSO = SrSO + RbHCO =>
Sr(HCO) + RbSO = SrSO + RbHCO
Zn + Cr(NO3)3 = ZnNO3 + Cr =>
3 Zn + Cr(NO3)3 = 3 ZnNO3 + Cr
K2SiO3 + Al = AlSiO3 + K2 =>
K2SiO3 + Al = AlSiO3 + K2
CaI2 + H2SO4 = CaSO4 + SO2 + I2 + H2O =>
CaI2 + 2 H2SO4 = CaSO4 + SO2 + I2 + 2 H2O
Co(NO3)2 + Na = Co + Na(NO3)2 =>
Co(NO3)2 + Na = Co + Na(NO3)2
SeBr2 + K2CO3 = KBr + SeCO3 =>
SeBr2 + K2CO3 = 2 KBr + SeCO3
KI + HNO3 = KNO3 + I2 + N0 + H2O =>
10 KI + 12 HNO3 = 10 KNO3 + 5 I2 + 2 N0 + 6 H2O
C2H4(s) + O2(s) = CO2(s) + H2O(g) =>
C2H4(s) + 3 O2(s) = 2 CO2(s) + 2 H2O(g)
ZnBr2 + H2SO4 = Br2 + ZnSO4 + H2 =>
ZnBr2 + H2SO4 = Br2 + ZnSO4 + H2
Ba(HSO3)2 + CrSO4 + H2O = BaSO4 + Cr(OH)3 + SO2 =>
Ba(HSO3)2 + 2 CrSO4 + 2 H2O = BaSO4 + 2 Cr(OH)3 + 3 SO2
Al + Pb{2+} = Al{3+} + Pb =>
2 Al + 3 Pb{2+} = 2 Al{3+} + 3 Pb
KCl + Fe = K + FeCl =>
KCl + Fe = K + FeCl
C3H7Br + KOH(sp) = C3H6 + KBr + H2O =>
C3H7Br + KOH(sp) = C3H6 + KBr + H2O
AgNO3 + H2CO3 = Ag2CO3 + HNO3 =>
2 AgNO3 + H2CO3 = Ag2CO3 + 2 HNO3
H4SiO4 + Cr(OH)3 = Cr4(SiO4)3 + H2O =>
3 H4SiO4 + 4 Cr(OH)3 = Cr4(SiO4)3 + 12 H2O
K2CrO4 + KI + HCI = CrCI3 + KCI + I2 + H2O =>
2 K2CrO4 + 10 KI + 16 HCI = 2 CrCI3 + 14 KCI + 3 I2 + 8 H2O
C + H2O = CO + H2 =>
C + H2O = CO + H2
Br2 + Fe{2+} = Fe{3+} + Br{-} =>
Br2 + 2 Fe{2+} = 2 Fe{3+} + 2 Br{-}
Hg(OH)2 + H2TeO3 = HgTeO3 + H2O =>
Hg(OH)2 + H2TeO3 = HgTeO3 + 2 H2O
FeCl3 + NiCl2 + CoCl2*6H2O + O2 = NiCoFe4O8 + H2O + Cl2 =>
4 FeCl3 + NiCl2 + CoCl2*6H2O + 4 O2 = NiCoFe4O8 + 6 H2O + 8 Cl2
Mg(OH)2 + NaF = NaFMgF2 + NaOH =>
Mg(OH)2 + 3 NaF = NaFMgF2 + 2 NaOH
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
FeCO3 + H3O = Fe + H2O + H2CO3 =>
FeCO3 + 2 H3O = Fe + 2 H2O + H2CO3
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