| Équations équilibrées la veille |
19 HIO3 + 21 C2H5CH3 = 10 HI + 9 C6H5CH2I + 57 H2O
Cr2O7{-2} + H{+} + H2S = Cr{+3} + H2O + S =>
Cr2O7{-2} + 8 H{+} + 3 H2S = 2 Cr{+3} + 7 H2O + 3 S
(NH4)2SO4(aq) + KOH(aq) = K2SO4(aq) + NH3(g) + H2O(i) =>
(NH4)2SO4(aq) + 2 KOH(aq) = K2SO4(aq) + 2 NH3(g) + 2 H2O(i)
BrO3{-} + SO2 + H2O = Br2 + SO4{-2} + H{+} =>
2 BrO3{-} + 5 SO2 + 4 H2O = Br2 + 5 SO4{-2} + 8 H{+}
CS + H2 = CH4 + H2S =>
CS + 3 H2 = CH4 + H2S
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KCl + NH3 = K3N + HCl =>
3 KCl + NH3 = K3N + 3 HCl
C3H7COOHKOH = C3H7COOKH2O =>
C3H7COOHKOH = C3H7COOKH2O
K3PO4 + Sr(NO3) = KNO3 + Sr3(PO4) =>
K3PO4 + 3 Sr(NO3) = 3 KNO3 + Sr3(PO4)
I2(s) + S2O3{2-}(aq) = I{-}(aq) + S4O6{2-}(aq) =>
I2(s) + 2 S2O3{2-}(aq) = 2 I{-}(aq) + S4O6{2-}(aq)
SnO2(s) + HBr(aq) = SnBr4(aq) + H2O(l) =>
SnO2(s) + 4 HBr(aq) = SnBr4(aq) + 2 H2O(l)
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
NO + O2 + H2O = HNO3 =>
4 NO + 3 O2 + 2 H2O = 4 HNO3
H2PO4 + HCl = H3PO4 + Cl2 =>
2 H2PO4 + 2 HCl = 2 H3PO4 + Cl2
C4H12 + O2 = C4O2 + H4 =>
C4H12 + O2 = C4O2 + 3 H4
C2H5OH + CaCO3 = CO2 + H2O + Ca =>
C2H5OH + 6 CaCO3 = 8 CO2 + 3 H2O + 6 Ca
CaO + KI = CaI + KO =>
CaO + KI = CaI + KO
KCl + H2SO4 = KHSO3 + HCl + O2 =>
2 KCl + 2 H2SO4 = 2 KHSO3 + 2 HCl + O2
HBr + NaOH = NaBr + H2O = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
COOHCH(OH)CH2COOH + NaOH = COONaCH(ONa)CH2COONa + H2O =>
COOHCH(OH)CH2COOH + 3 NaOH = COONaCH(ONa)CH2COONa + 3 H2O
C3H6O2 + NH3 = C5H7NO2 + CO2 + H2 =>
2 C3H6O2 + NH3 = C5H7NO2 + CO2 + 4 H2
NH4 + Cl2 = NH4Cl =>
2 NH4 + Cl2 = 2 NH4Cl
V2O3 + AgCO3 = V2CO3 + AgO3 =>
V2O3 + AgCO3 = V2CO3 + AgO3
HCOH + Cu(OH)2 = Cu2O + CO2 + H2O =>
HCOH + 4 Cu(OH)2 = 2 Cu2O + CO2 + 5 H2O
KCl + NH3 = KNH2 + NH4Cl =>
KCl + 2 NH3 = KNH2 + NH4Cl
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
K3(Fe(CN)6) + FeCl2 = KFe(Fe(CN)6) + KCl =>
K3(Fe(CN)6) + FeCl2 = KFe(Fe(CN)6) + 2 KCl
C3H8NO5P + KOH = C3H7KNO5P + H2O =>
C3H8NO5P + KOH = C3H7KNO5P + H2O
Na2SO4 + Fe2(SO4)3 + H2O = NaFe3(SO4)2(OH)6 + H2SO4 =>
Na2SO4 + 3 Fe2(SO4)3 + 12 H2O = 2 NaFe3(SO4)2(OH)6 + 6 H2SO4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HC2H3O2 + NaHSO3 = NaC2H3O2(aq) + H2SO3 =>
HC2H3O2 + NaHSO3 = NaC2H3O2(aq) + H2SO3
NiNO3 + H2O = NiOH + HNO3 =>
NiNO3 + H2O = NiOH + HNO3
Ni + AuCl = NiCl + Au =>
Ni + AuCl = NiCl + Au
KBr + Hg(NO3)2 = Hg2Br2 + K(NO3)2 =>
2 KBr + 2 Hg(NO3)2 = Hg2Br2 + 2 K(NO3)2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C6H7O5(NO2)3 = H2O + N2 + CO + CO2 =>
2 C6H7O5(NO2)3 = 7 H2O + 3 N2 + 9 CO + 3 CO2
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
K4[Fe(CN)6] + H2O2 + H2SO4 = K3[Fe(CN)6] + K2SO4 + H2O =>
2 K4[Fe(CN)6] + H2O2 + H2SO4 = 2 K3[Fe(CN)6] + K2SO4 + 2 H2O
KNO3 + HNO3 = NO3 + KH =>
KNO3 + HNO3 = 2 NO3 + KH
HCOOH + CH3OH = HCOOCH3 + H2O =>
HCOOH + CH3OH = HCOOCH3 + H2O
Mn{+2} + PbO2 + H2O = MnO4{-} + Pb{+2} + OH{-} =>
2 Mn{+2} + 5 PbO2 + 2 H2O = 2 MnO4{-} + 5 Pb{+2} + 4 OH{-}
C4H6O3 + H2O = C2H4O2 =>
C4H6O3 + H2O = 2 C2H4O2
CoCO3 + C5H8O2 = Co(C5H8O2)2 + H2O + CO2 =>
12 CoCO3 + 25 C5H8O2 = 12 Co(C5H8O2)2 + 4 H2O + 17 CO2
NaOH + Ag = AgOH + Na =>
NaOH + Ag = AgOH + Na
Fe2(OH)2 + HCl = FeCl + H2O =>
Fe2(OH)2 + 2 HCl = 2 FeCl + 2 H2O
C7H6O2 + C3H2N2 + C4H9NO = C21H19N3O3 + H2O =>
2 C7H6O2 + C3H2N2 + C4H9NO = C21H19N3O3 + 2 H2O
D2O + K2O = DKO =>
D2O + K2O = 2 DKO
NaHCO3 + HClO3 = NaClO3 + HHCO3 =>
NaHCO3 + HClO3 = NaClO3 + HHCO3
NH3 + Br2 = NH4Br + N =>
8 NH3 + 3 Br2 = 6 NH4Br + 2 N
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
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