| Équations équilibrées la veille |
TeCl4 = Te + 4 Cl
(SCN)2 + H2O = H2SO4 + HCN + SCN{-} + H{+} =>
3(SCN)2 + 4 H2O = H2SO4 + HCN + 5 SCN{-} + 5 H{+}
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
cyclopropane + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Sr(NO3)2 + KOH = Sr(OH)2 + K(NO3) =>
Sr(NO3)2 + 2 KOH = Sr(OH)2 + 2 K(NO3)
Ca3Si + Cl2 = CaCl + SiCl4 =>
2 Ca3Si + 7 Cl2 = 6 CaCl + 2 SiCl4
C2H4 + H2S = C2H6S =>
C2H4 + H2S = C2H6S
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
KNO2 + K2Cr2O7 + H2SO4 = KNO3 + Cr2(SO4) + H2O + K2SO4 =>
5 KNO2 + K2Cr2O7 + 2 H2SO4 = 5 KNO3 + Cr2(SO4) + 2 H2O + K2SO4
Sn + K2CrO7 + H2SO4 = Sn(SO4)2 + K2SO4 + Cr2(SO4)3 + H2O =>
9 Sn + 4 K2CrO7 + 28 H2SO4 = 9 Sn(SO4)2 + 4 K2SO4 + 2 Cr2(SO4)3 + 28 H2O
Na + HCl = Na2Cl2 + H2 =>
2 Na + 2 HCl = Na2Cl2 + H2
HNCO + H2O = H3O + NCO =>
HNCO + H2O = H3O + NCO
Fe(OH)3CaO = FeOCa(OH)3 =>
Fe(OH)3CaO = FeOCa(OH)3
C20 = C3 =>
3 C20 = 20 C3
Na2SO3 + NaMnO4 = Na2SO4 + MnO2 + Na =>
2 Na2SO3 + NaMnO4 = 2 Na2SO4 + MnO2 + Na
HCOOH + CaCO3 = HCOOCa + CO2 + H2O =>
3 HCOOH + 2 CaCO3 = 2 HCOOCa + 3 CO2 + 2 H2O
HBrO + Ca(OH)2 = Ca + BrO2 + H2O =>
2 HBrO + 3 Ca(OH)2 = 3 Ca + 2 BrO2 + 4 H2O
AgNO3 + PCl3 + H2O = Ag + HNO3 + HCl + H3PO4 =>
2 AgNO3 + PCl3 + 4 H2O = 2 Ag + 2 HNO3 + 3 HCl + H3PO4
CH3CHCHCH3 + KMnO4 + H2SO4 = CH3COOH + KSO4 + MnSO4 + H2O =>
CH3CHCHCH3 + 2 KMnO4 + 4 H2SO4 = 2 CH3COOH + 2 KSO4 + 2 MnSO4 + 4 H2O
GeO2 + H2 = Ge + H2O =>
GeO2 + 2 H2 = Ge + 2 H2O
AlCl3 + KHSO3 = KCl + Al(OH)3 + SO2 =>
AlCl3 + 3 KHSO3 = 3 KCl + Al(OH)3 + 3 SO2
MgCl2 + Li2CO3 = MgCO3 + LiCl =>
MgCl2 + Li2CO3 = MgCO3 + 2 LiCl
NaSH + O2 = Na2S2O3 + H2O =>
2 NaSH + 2 O2 = Na2S2O3 + H2O
Cu + H3PO4 = Cu3(PO4)2 + H2 =>
3 Cu + 2 H3PO4 = Cu3(PO4)2 + 3 H2
H2 + F2 = HF =>
H2 + F2 = 2 HF
Ca(OCl)Cl + HCl = CaCl2 + H2O + Cl2 =>
Ca(OCl)Cl + 2 HCl = CaCl2 + H2O + Cl2
Xe + F2 = XeF6 =>
Xe + 3 F2 = XeF6
ZnCl2 + KMnO4 = KMnCl2 + ZnO4 =>
ZnCl2 + KMnO4 = KMnCl2 + ZnO4
Na2Cr2O7 + HCl = NaCl + CrCl3 + H2O + O2 =>
2 Na2Cr2O7 + 16 HCl = 4 NaCl + 4 CrCl3 + 8 H2O + 3 O2
Bariumnitrate + sodiumsulfate = Bariumsulfate + sodiumnitrate =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
CaCl2 + Be(OH)2 = Ca(OH)2 + BeCl2 =>
CaCl2 + Be(OH)2 = Ca(OH)2 + BeCl2
NO2{-} + MnO4{-} + H{+} = NO3{-} + Mn{+} + H2O =>
3 NO2{-} + MnO4{-} + 2 H{+} = 3 NO3{-} + Mn{+} + H2O
Fe2(SO4)3 + AgNO3 = Fe(NO3)3 + Ag2SO4 =>
Fe2(SO4)3 + 6 AgNO3 = 2 Fe(NO3)3 + 3 Ag2SO4
KL + Cl2 = KCl + L2 =>
2 KL + Cl2 = 2 KCl + L2
KCl + H2SO4 = KH2 + SO4Cl =>
KCl + H2SO4 = KH2 + SO4Cl
Ni + O2 = Ni4O3 =>
8 Ni + 3 O2 = 2 Ni4O3
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
K2SO4 + Ca(CH3COO)2 = KCH3COO + CaSO4 =>
K2SO4 + Ca(CH3COO)2 = 2 KCH3COO + CaSO4
HClO4(ag) + K2CO3(ag) = H2O(l) + CO2(g) + KClO4(ag) =>
2 HClO4(ag) + K2CO3(ag) = H2O(l) + CO2(g) + 2 KClO4(ag)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Mn + BiO3 = MnO4 + Bi =>
3 Mn + 4 BiO3 = 3 MnO4 + 4 Bi
KMnO4 + H2SO4 + CrCl2 = MnSO4 + K2SO4 + Cr2(SO4)3 + HCl + H2O =>
2 KMnO4 + 18 H2SO4 + 10 CrCl2 = 2 MnSO4 + K2SO4 + 5 Cr2(SO4)3 + 20 HCl + 8 H2O
Fe(s) + CuSO(aq) = FeSO(aq) + Cu(s) =>
Fe(s) + CuSO(aq) = FeSO(aq) + Cu(s)
SiO + HNO3 = SiO2 + NO2 + H2O =>
SiO + 2 HNO3 = SiO2 + 2 NO2 + H2O
Al2 + (SO4)2 + NaOH = Al(OH)3 + Na2SO4 =>
2 Al2 + 3(SO4)2 + 12 NaOH = 4 Al(OH)3 + 6 Na2SO4
C4H8HBr = C4H9Br =>
C4H8HBr = C4H9Br
FeCl3 + Fe(OH)3 = FeOHCl2 =>
2 FeCl3 + Fe(OH)3 = 3 FeOHCl2
Na2Cr2O7 + KI = K2Cr2O7 + I2 + Na =>
Na2Cr2O7 + 2 KI = K2Cr2O7 + I2 + 2 Na
NaOHCaCl2 = CaOHNaCl2 =>
NaOHCaCl2 = CaOHNaCl2
Pb(NO3)2(aq) + KI(aq) = PbI2(aq) + KNO3 =>
Pb(NO3)2(aq) + 2 KI(aq) = PbI2(aq) + 2 KNO3
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