| Équations équilibrées la veille |
[CoBr(NH3)5]Br2 + 2 AgNO3 = 2 AgBr + 2 NO3 + CoBr + 5 NH3
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
HI + NaClO3 = I2 + NaCl + H2O =>
6 HI + NaClO3 = 3 I2 + NaCl + 3 H2O
Cu2 + NH3 = Cu(NH3)4 =>
Cu2 + 8 NH3 = 2 Cu(NH3)4
SiBr4 + Cl2 = SiCl4 + Br2 =>
SiBr4 + 2 Cl2 = SiCl4 + 2 Br2
Fe(HCO3)2 = Fe2(CO3)2 + H2O + CO2 =>
2 Fe(HCO3)2 = Fe2(CO3)2 + 2 H2O + 2 CO2
CH3CHCH2 + CO + H2O = (CH3)2CHCO2H =>
CH3CHCH2 + CO + H2O = (CH3)2CHCO2H
Al + S2 = Al3S =>
6 Al + S2 = 2 Al3S
C18H38 = C + H2 =>
C18H38 = 18 C + 19 H2
Na2O + S = Na2S + SO2 =>
2 Na2O + 3 S = 2 Na2S + SO2
Cr2O7{-}2 + H2S + H{+} = Cr3{+} + S + H2O =>
6 Cr2O7{-}2 + 37 H2S + 10 H{+} = 4 Cr3{+} + 37 S + 42 H2O
Na2S(aq) + HCl = NaCl + H2S =>
Na2S(aq) + 2 HCl = 2 NaCl + H2S
FeCl3(aq) + K4[Fe(CN)6](aq) = Fe4[Fe(CN)6]3(s) + KCl(aq) =>
4 FeCl3(aq) + 3 K4[Fe(CN)6](aq) = Fe4[Fe(CN)6]3(s) + 12 KCl(aq)
K2FeO4 + H2O = Fe(OH)3 + O2 + KOH =>
4 K2FeO4 + 10 H2O = 4 Fe(OH)3 + 3 O2 + 8 KOH
HPO3 + Fe = PO2 + Fe(PO3)2 + H2O =>
4 HPO3 + Fe = 2 PO2 + Fe(PO3)2 + 2 H2O
C50H100O40N + O2 = CO + H2O + NO =>
2 C50H100O40N + 61 O2 = 100 CO + 100 H2O + 2 NO
NiCl2 + (NH4)2S = NiS + NH4Cl =>
NiCl2 + (NH4)2S = NiS + 2 NH4Cl
NaBr + NaOCl = NaOBr + NaCl =>
NaBr + NaOCl = NaOBr + NaCl
H2SO4(aq) + NaOH = Na2SO4(s) + H2O(l) =>
H2SO4(aq) + 2 NaOH = Na2SO4(s) + 2 H2O(l)
Au(CN)2{-}(aq) + Zn(s) = Au(s) + Zn(CN)4{2-}(aq) =>
2 Au(CN)2{-}(aq) + Zn(s) = 2 Au(s) + Zn(CN)4{2-}(aq)
Ca3(PO4)2 + Ca3P2 = CaO + P4 =>
3 Ca3(PO4)2 + 5 Ca3P2 = 24 CaO + 4 P4
Mg(NO3)2 + Sn = Sn(NO3)4 + Mg =>
2 Mg(NO3)2 + Sn = Sn(NO3)4 + 2 Mg
F2O7 + H2O = H2F2O8 =>
F2O7 + H2O = H2F2O8
Se(s) + O2(g) = SeO3(s) =>
2 Se(s) + 3 O2(g) = 2 SeO3(s)
CuZn + HCl = CuCl + Zn + H =>
CuZn + HCl = CuCl + Zn + H
CaF2 + NaOH = Ca(OH)2 + NaF =>
CaF2 + 2 NaOH = Ca(OH)2 + 2 NaF
(NH4Cl)2 + Ca(C17H18NO3)2 + (H2O)2 = (NH3)2 + ((C17H19NO3)Cl)2 + Ca(OH)2 + H2 =>
(NH4Cl)2 + Ca(C17H18NO3)2 + (H2O)2 = (NH3)2 + ((C17H19NO3)Cl)2 + Ca(OH)2 + H2
FeCl3 + K3Fe(CN)6 = Fe[Fe(CN)6] + KCl =>
FeCl3 + K3Fe(CN)6 = Fe[Fe(CN)6] + 3 KCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Li + C = LiC =>
Li + C = LiC
CaCO3(s) + H3PO4(aq) = Ca3(PO4)2 + H2O + CO2(g) =>
3 CaCO3(s) + 2 H3PO4(aq) = Ca3(PO4)2 + 3 H2O + 3 CO2(g)
KOH + KOOCCH2CH2CH2COOK = K2CO3 + CH3CH2CH3 =>
2 KOH + KOOCCH2CH2CH2COOK = 2 K2CO3 + CH3CH2CH3
CuSO4 + K04[Fe(CN)6] = Cu2[Fe(CN)6] + K2SO4 =>
2 CuSO4 + K04[Fe(CN)6] = Cu2[Fe(CN)6] + 2 K2SO4
LiBr + KNO3 = LiNO3 + KBr =>
LiBr + KNO3 = LiNO3 + KBr
Ge + HNO3 + HCl = H2[GeCl6] + NO + H2O =>
3 Ge + 4 HNO3 + 18 HCl = 3 H2[GeCl6] + 4 NO + 8 H2O
H2C2O4*2H2O + KOH = K2C2O4 + H2O =>
H2C2O4*2H2O + 2 KOH = K2C2O4 + 4 H2O
Hg2Cl2 + NaOH = Hg + HgO + H2O + NaCl =>
Hg2Cl2 + 2 NaOH = Hg + HgO + H2O + 2 NaCl
FeI3 + Cl2 = FeCl2 + I2 =>
2 FeI3 + 2 Cl2 = 2 FeCl2 + 3 I2
He + N + Ta + I = HeNTaI =>
He + N + Ta + I = HeNTaI
CH3CO2H + Na2CO3 = NaC2H3O2 + CO2 + H2O =>
2 CH3CO2H + Na2CO3 = 2 NaC2H3O2 + CO2 + H2O
Fe + HMnO4 = Fe(MnO4)3 + H2 =>
2 Fe + 6 HMnO4 = 2 Fe(MnO4)3 + 3 H2
Cr2O7{-}2 + H2S + H{+} = Cr3{+} + S + H2O =>
6 Cr2O7{-}2 + 37 H2S + 10 H{+} = 4 Cr3{+} + 37 S + 42 H2O
AlCl3 + CH3COONa = Al(CH3COO)3 + NaCl =>
AlCl3 + 3 CH3COONa = Al(CH3COO)3 + 3 NaCl
C6H5CH2CH3 + KMnO4 = C6H5COOK + K2CO3 + MnO2 + H2O =>
3 C6H5CH2CH3 + 22 KMnO4 = 2 C6H5COOK + 10 K2CO3 + 22 MnO2 + 10 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Ba(NO3)2 + NaF = BaF2 + NaNO3 =>
Ba(NO3)2 + 2 NaF = BaF2 + 2 NaNO3
CH3CHO + HCN = CH3CH(OH)(CN) =>
CH3CHO + HCN = CH3CH(OH)(CN)
AlBr3 + H3PO4 = AlPO4 + HBr =>
AlBr3 + H3PO4 = AlPO4 + 3 HBr
Mg(NO3)2 + Cr = Cr(NO3)3 + Mg =>
3 Mg(NO3)2 + 2 Cr = 2 Cr(NO3)3 + 3 Mg
AlCl3*6H2O + NH4OH = Al(OH)3 + NH4Cl + H2O =>
AlCl3*6H2O + 3 NH4OH = Al(OH)3 + 3 NH4Cl + 6 H2O
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