| Équations équilibrées la veille |
Sn + Mn(No3)2 = Sn(No3)2 + Mn
Cr2O3 + Zn = ZnO + Cr =>
Cr2O3 + 3 Zn = 3 ZnO + 2 Cr
Fe2(SO4)3(aq) + CaCl2(aq) = CaSO4(s) + FeCl3(aq) =>
Fe2(SO4)3(aq) + 3 CaCl2(aq) = 3 CaSO4(s) + 2 FeCl3(aq)
N2H4 + O2 = N2 + H2O =>
N2H4 + O2 = N2 + 2 H2O
S2 = S3 =>
3 S2 = 2 S3
SiO2 + NaHCO3 = Si(CO3) + Na(HO2) =>
SiO2 + NaHCO3 = Si(CO3) + Na(HO2)
CuBr2 = Cu + Br =>
CuBr2 = Cu + 2 Br
ClF3 + H2O = HF + HCl + OF2 =>
ClF3 + H2O = HF + HCl + OF2
H2O + N2O4 + Br{-} = NO2{-} + BrO3{-} + H{+} =>
3 H2O + 3 N2O4 + Br{-} = 6 NO2{-} + BrO3{-} + 6 H{+}
ZnCO3(s) + HNO3(aq) = Zn(NO3)2(aq) + CO2(g) + H2O(g) =>
ZnCO3(s) + 2 HNO3(aq) = Zn(NO3)2(aq) + CO2(g) + H2O(g)
S2 = S4 =>
2 S2 = S4
(NH4)2CO3 + H2O = NH4OH + NH4HCO3 =>
(NH4)2CO3 + H2O = NH4OH + NH4HCO3
S2Cl2 + H2O = H2SO3 + HCl + S =>
2 S2Cl2 + 3 H2O = H2SO3 + 4 HCl + 3 S
Li + Sn2(SO3)4 = Li2(SO3) + Sn =>
8 Li + Sn2(SO3)4 = 4 Li2(SO3) + 2 Sn
KCrO4 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + I2 =>
2 KCrO4 + 8 KI + 8 H2SO4 = Cr2(SO4)3 + 5 K2SO4 + 8 H2O + 4 I2
Cu(OH)2 + H2S = CuS + H2O =>
Cu(OH)2 + H2S = CuS + 2 H2O
I3{-} + MnO4{-} + H2O = IO3{-} + MnO2 + OH{-} =>
3 I3{-} + 16 MnO4{-} + 5 H2O = 9 IO3{-} + 16 MnO2 + 10 OH{-}
Al2O3 + HCl = Al(Cl)3 + H2O =>
Al2O3 + 6 HCl = 2 Al(Cl)3 + 3 H2O
Bi + HNO3 = Bi(NO3)3 + NO + H2O =>
Bi + 4 HNO3 = Bi(NO3)3 + NO + 2 H2O
C6H5COO + H2O = HO + C6H5COOH =>
C6H5COO + H2O = HO + C6H5COOH
C2H4 + KMnO4 = K2CO3 + MnO2 + H2O =>
C2H4 + 4 KMnO4 = 2 K2CO3 + 4 MnO2 + 2 H2O
C18H36O2 + O2 = CO2 + H2O =>
C18H36O2 + 26 O2 = 18 CO2 + 18 H2O
PBr3 + H2O = H3PO3 + HBr =>
PBr3 + 3 H2O = H3PO3 + 3 HBr
BiCl3 + NH4OH = Bi(OH)3 + NH4Cl =>
BiCl3 + 3 NH4OH = Bi(OH)3 + 3 NH4Cl
NaVO3 + Zn + HCl = NaCl + VCl4 + ZnCl2 + H2O =>
2 NaVO3 + Zn + 12 HCl = 2 NaCl + 2 VCl4 + ZnCl2 + 6 H2O
NH4Br + LiOH = LiBr + NH3 + H2O =>
NH4Br + LiOH = LiBr + NH3 + H2O
Mn + H2O = Mn(OH)2 + H2 =>
Mn + 2 H2O = Mn(OH)2 + H2
C6H6(l) + Br2(l) = C6H5Br(l) + HBr(g) =>
C6H6(l) + Br2(l) = C6H5Br(l) + HBr(g)
H3P = H2 + P4 =>
4 H3P = 6 H2 + P4
TiO2 + K2CO3 = K2TiO3 + CO2 =>
TiO2 + K2CO3 = K2TiO3 + CO2
CaCl2 + SiO2 = CaO + SiCl4 =>
2 CaCl2 + SiO2 = 2 CaO + SiCl4
NaNO2 + HNO3 = NaNO3 + NO + H2O =>
3 NaNO2 + 2 HNO3 = 3 NaNO3 + 2 NO + H2O
C6H6 + CH3CHCH2 = C6H5(CH3CHCH3) =>
C6H6 + CH3CHCH2 = C6H5(CH3CHCH3)
At2 + Sr = At2Sr =>
At2 + Sr = At2Sr
SOCl2 + H2O = SO2 + HCl =>
SOCl2 + H2O = SO2 + 2 HCl
CH3COOH + NaF = HF + NaCH3COO =>
CH3COOH + NaF = HF + NaCH3COO
Mg + NaHCO3 = Na + MgCO3 + H2 =>
2 Mg + 2 NaHCO3 = 2 Na + 2 MgCO3 + H2
HgCO3 = HgO + CO2 =>
HgCO3 = HgO + CO2
Al2S3 + HNO3 = S + Al(NO3)3 + NO + H2O =>
Al2S3 + 8 HNO3 = 3 S + 2 Al(NO3)3 + 2 NO + 4 H2O
Rh + O2 = Rh2O3 =>
4 Rh + 3 O2 = 2 Rh2O3
Zn + S = ZnS =>
Zn + S = ZnS
(NH4)2CO3 + H2O = (NH4)2O + H2CO3 =>
(NH4)2CO3 + H2O = (NH4)2O + H2CO3
NO2 + KMnO4 + H2SO4 = K2SO4 + Mn(SO4)2 + N2O5 + H2O =>
6 NO2 + 2 KMnO4 + 5 H2SO4 = K2SO4 + 2 Mn(SO4)2 + 3 N2O5 + 5 H2O
C4H10O + Na2Cr2O7 + H2SO4 = C4H8O2 + Na2SO4 + Cr2(SO4)3 + H2O =>
3 C4H10O + 2 Na2Cr2O7 + 8 H2SO4 = 3 C4H8O2 + 2 Na2SO4 + 2 Cr2(SO4)3 + 11 H2O
PbI2 + H2O = PbO + H2I2 =>
PbI2 + H2O = PbO + H2I2
P + F = PF5 =>
P + 5 F = PF5
C3H7Br + NaOH = C3H6 + NaBr + H2O =>
C3H7Br + NaOH = C3H6 + NaBr + H2O
KCl + H2O2 = Cl2 + H2O + K2O =>
2 KCl + H2O2 = Cl2 + H2O + K2O
Ag + Au(NO3)3 = AgNO3 + Au3 =>
9 Ag + 3 Au(NO3)3 = 9 AgNO3 + Au3
Ag2S + HNO3 + HCl = AgCl + H2SO4 + NO2 + H2O =>
Ag2S + 8 HNO3 + 2 HCl = 2 AgCl + H2SO4 + 8 NO2 + 4 H2O
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