| Équations équilibrées la veille |
2 FeCl2 + 2 H2O + SO2 = 2 FeCl + 2 HCl + H2SO4
MnO2 + CO = Mn + COO =>
MnO2 + 2 CO = Mn + 2 COO
H2GeO3 + NaOH = Na2(GeO3) + H2O =>
H2GeO3 + 2 NaOH = Na2(GeO3) + 2 H2O
Zn2O2 = ZnO =>
Zn2O2 = 2 ZnO
Zn(CN)2 = Zn + CN =>
Zn(CN)2 = Zn + 2 CN
AsO2{-3} + I2 + H2O = AsO4{-3} + I2{-} + H3O{+} =>
AsO2{-3} + 4 I2 + 6 H2O = AsO4{-3} + 4 I2{-} + 4 H3O{+}
Na3PO + KOH = NaOH + K3PO =>
Na3PO + 3 KOH = 3 NaOH + K3PO
Ca + (AlO2)2 + HCl = AlCl3 + CaCl2 + H2O =>
Ca + (AlO2)2 + 8 HCl = 2 AlCl3 + CaCl2 + 4 H2O
H2O2 + Cr2O3 = Cr2O7 + H2O =>
4 H2O2 + Cr2O3 = Cr2O7 + 4 H2O
KOH(aq) + HCL(aq) = H2O(i) + KCL(aq) =>
KOH(aq) + HCL(aq) = H2O(i) + KCL(aq)
Sn(OH)4 + Fe2(CO3)3 = Fe(OH)3 + Sn(CO3)2 =>
3 Sn(OH)4 + 2 Fe2(CO3)3 = 4 Fe(OH)3 + 3 Sn(CO3)2
Zn(s) + Sn(No3)(aq) = Zn(No3)2 + Sn =>
Zn(s) + 2 Sn(No3)(aq) = Zn(No3)2 + 2 Sn
Cr(iii) + OH = Cr(OH)3 =>
Cr(iii) + 3 OH = Cr(OH)3
AgNO3 + KI = K(NO3) + AgI =>
AgNO3 + KI = K(NO3) + AgI
Cu + H4NO3 = CuNO3 + H2 =>
Cu + H4NO3 = CuNO3 + 2 H2
UF5 + H2O = UO2F2 + UF4 + HF =>
2 UF5 + 2 H2O = UO2F2 + UF4 + 4 HF
Hg + (NO3)2 = Hg(NO3)2 =>
Hg + (NO3)2 = Hg(NO3)2
Mn + Cr(NO3)2 = MnNO3 + Cr =>
2 Mn + Cr(NO3)2 = 2 MnNO3 + Cr
H2 + S + O2 = H2SO3 =>
2 H2 + 2 S + 3 O2 = 2 H2SO3
Na2C2O4 + CuSO4 = Cu(C2O4) + Na2SO4 =>
Na2C2O4 + CuSO4 = Cu(C2O4) + Na2SO4
Pb(CH3COO)2 + H2SO4 = H(CH3COO) + PbSO4 =>
Pb(CH3COO)2 + H2SO4 = 2 H(CH3COO) + PbSO4
CH3Cl + H2O = CH3OH + HCl =>
CH3Cl + H2O = CH3OH + HCl
sucrose + oxygen = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
AgI(s) + Fe2(CO3)3(aq) = FeI3 + Ag2CO3 =>
6 AgI(s) + Fe2(CO3)3(aq) = 2 FeI3 + 3 Ag2CO3
(CH3COO)2Ba + HCN = Ba(CN)2 + CH3COOH =>
(CH3COO)2Ba + 2 HCN = Ba(CN)2 + 2 CH3COOH
Na2SO4 + H2 = NaOH + SO2 =>
Na2SO4 + H2 = 2 NaOH + SO2
KI + Li = KLi + I =>
KI + Li = KLi + I
(b)NaNO3 + H2SO4 = Na2SO4 + HNO3 =>
2(b)NaNO3 + H2SO4 = Na2SO4 + 2 HNO3
CH3 + Br2 = CH2Br + HBr =>
CH3 + Br2 = CH2Br + HBr
MnO4{-} + SO2 = Mn{+}2 + SO4{-}2 =>
MnO4{-} + 2 SO2 = Mn{+}2 + 2 SO4{-}2
K2Cr2O7 + FeSO4 + KI = K2SO4 + Cr2SO4 + I2 + FeO =>
K2Cr2O7 + 7 FeSO4 + 10 KI = 6 K2SO4 + Cr2SO4 + 5 I2 + 7 FeO
NaMnO4 + NaNO2 + HNO3 = NaNO3 + Mn(NO3)2 + H2O =>
2 NaMnO4 + 5 NaNO2 + 6 HNO3 = 7 NaNO3 + 2 Mn(NO3)2 + 3 H2O
NaClO3 = Na + Cl2 + O2 =>
2 NaClO3 = 2 Na + Cl2 + 3 O2
Na3H2AsO3 + HCl + Zn = AsH3 + ZnCl2 + NaCl + H2O =>
Na3H2AsO3 + 7 HCl + 2 Zn = AsH3 + 2 ZnCl2 + 3 NaCl + 3 H2O
Ag(OH)4 + Cu2O = AgO2 + CuOH =>
Ag(OH)4 + 2 Cu2O = AgO2 + 4 CuOH
Mg + Zn = MgZn =>
Mg + Zn = MgZn
CaCl2 + Na2CrO4 = CaCrO4 + NaCl =>
CaCl2 + Na2CrO4 = CaCrO4 + 2 NaCl
Ca(OH)2 + Na2SO4 = CaSO4 + NaOH =>
Ca(OH)2 + Na2SO4 = CaSO4 + 2 NaOH
UF4 + ClF = UF6 + Cl2 =>
UF4 + 2 ClF = UF6 + Cl2
C12H23O11 + O2 = C2O + H2O =>
4 C12H23O11 + 13 O2 = 24 C2O + 46 H2O
BaI2 + KCl = KI + BaCl2 =>
BaI2 + 2 KCl = 2 KI + BaCl2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Fe(OH)3 + SO3{2-} = Fe + SO4{2-} + H2O =>
2 Fe(OH)3 + 3 SO3{2-} = 2 Fe + 3 SO4{2-} + 3 H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Sn + H2O = Sn2O + H2 =>
2 Sn + H2O = Sn2O + H2
KCl + NaNO3 = K(NO3) + NaCl =>
KCl + NaNO3 = K(NO3) + NaCl
[Ag(NH3)2]Br + Na2S2O3 = AgS2O3 + NaBr + Na(NH3)2 =>
[Ag(NH3)2]Br + Na2S2O3 = AgS2O3 + NaBr + Na(NH3)2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
CH3HOH + O2 = CO2 + H2O =>
4 CH3HOH + 7 O2 = 4 CO2 + 10 H2O
CuS + KClO3 = CuO + SO2 + KCl =>
CuS + KClO3 = CuO + SO2 + KCl
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Équations équilibrées sur12/20/24
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