| Équations équilibrées la veille |
Pb(s) + NaCl(aq) = Na + PbCl
CuCl2 + CO2 + H2O = CuCO3 + HCl =>
CuCl2 + CO2 + H2O = CuCO3 + 2 HCl
ethanol + O2 = carbondioxide + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Sn4 + N3 = Sn3N4 =>
9 Sn4 + 16 N3 = 12 Sn3N4
MnO4 + H2SO3 = SO4 + Mn + H =>
MnO4 + 4 H2SO3 = 4 SO4 + Mn + 8 H
KOH(aq) + SiO2(s) = K2SiO3(s) + H2O =>
2 KOH(aq) + SiO2(s) = K2SiO3(s) + H2O
PbSO4 + AlCl3 = PbCl2 + Al2(SO4)3 =>
3 PbSO4 + 2 AlCl3 = 3 PbCl2 + Al2(SO4)3
K2Cr2O7 + AgNO3 = K2(NO3) + AgCr2O7 =>
K2Cr2O7 + AgNO3 = K2(NO3) + AgCr2O7
CH3CH(NH2)COOHHNO2 = CH3CH(OH)COOHN2H2O =>
CH3CH(NH2)COOHHNO2 = CH3CH(OH)COOHN2H2O
Na3PO4 + LiOH = Li3PO4 + NaOH =>
Na3PO4 + 3 LiOH = Li3PO4 + 3 NaOH
C18H36O2 + C2H6O = C20H40O2 + H2O =>
C18H36O2 + C2H6O = C20H40O2 + H2O
Al + HO + NaOH = NaAlO2 + H2 =>
Al + HO + NaOH = NaAlO2 + H2
K4[Fe(CN)6] + Fe(NO3)2 = Fe4[Fe(CN)6]2 + KNO3 =>
2 K4[Fe(CN)6] + 4 Fe(NO3)2 = Fe4[Fe(CN)6]2 + 8 KNO3
Al(NO3)3(aq) + NH4OH(aq) = Al(OH)3(aq) + NH4NO3(aq) =>
Al(NO3)3(aq) + 3 NH4OH(aq) = Al(OH)3(aq) + 3 NH4NO3(aq)
CH3COOH + Ba(OH)2 = Ba(CH3COO)2 + H2O(water) =>
2 CH3COOH + Ba(OH)2 = Ba(CH3COO)2 + 2 H2O(water)
H2 + Nh4Cl + CaO = Nh3 + CaCl2 + H2O =>
3 H2 + 6 Nh4Cl + 3 CaO = 8 Nh3 + 3 CaCl2 + 3 H2O
O2 + H8C3O = CO2 + H2O =>
9 O2 + 2 H8C3O = 6 CO2 + 8 H2O
S + FeCl3 = FeSCl3 =>
S + FeCl3 = FeSCl3
CsCl + Fe(No3)2 = FeClCs(No3)2 =>
CsCl + Fe(No3)2 = FeClCs(No3)2
NaOH + HOOCCOOH = Na2C2O4 + H2O =>
2 NaOH + HOOCCOOH = Na2C2O4 + 2 H2O
HI + K(MnO4) + H2SO4 = I2 + Mn(SO4) + K2(SO4) + H2O =>
10 HI + 2 K(MnO4) + 3 H2SO4 = 5 I2 + 2 Mn(SO4) + K2(SO4) + 8 H2O
S + FeCl3 = FeSCl3 =>
S + FeCl3 = FeSCl3
Zn + HCl2 = ZnCl2 + H =>
Zn + HCl2 = ZnCl2 + H
HSO3Cl + KMnO4 = H2 + MnO4 + KCl + SO3 =>
2 HSO3Cl + 2 KMnO4 = H2 + 2 MnO4 + 2 KCl + 2 SO3
COO + HHO = CCCCCCHHHHHHHHHHHHOOOOOO + OO =>
6 COO + 6 HHO = CCCCCCHHHHHHHHHHHHOOOOOO + 6 OO
CsCl + Fe(No3)2 = FeClCs(No3)2 =>
CsCl + Fe(No3)2 = FeClCs(No3)2
Zn + FeI3 = Fe + ZnI2 =>
3 Zn + 2 FeI3 = 2 Fe + 3 ZnI2
NaOH + HOOCCOOH = Na2C2O4 + H2O =>
2 NaOH + HOOCCOOH = Na2C2O4 + 2 H2O
S + FeCl3 = FeSCl3 =>
S + FeCl3 = FeSCl3
Zn + HCl2 = ZnCl2 + H =>
Zn + HCl2 = ZnCl2 + H
W + S8 = WS =>
8 W + S8 = 8 WS
NaOH + HOOCCOOH = Na2C2O4 + H2O =>
2 NaOH + HOOCCOOH = Na2C2O4 + 2 H2O
CH3CH2ONa + CH3CH2Cl = NaCl + CH3CH2OCH2CH3 =>
CH3CH2ONa + CH3CH2Cl = NaCl + CH3CH2OCH2CH3
K2CO3 + CuCl2 = Cu + CO3 + KCl =>
K2CO3 + CuCl2 = Cu + CO3 + 2 KCl
CH3CH2COH + KMnO4 + H2SO4 = CH3COOH + MnSO4 + H2O + K2SO4 =>
10 CH3CH2COH + 8 KMnO4 + 12 H2SO4 = 15 CH3COOH + 8 MnSO4 + 12 H2O + 4 K2SO4
FeBr2 + AlI3 = FeI2 + AlBr3 =>
3 FeBr2 + 2 AlI3 = 3 FeI2 + 2 AlBr3
Be3N2 + O2 = BeO + N2 =>
2 Be3N2 + 3 O2 = 6 BeO + 2 N2
MoS2 + O2 + NaOH = Na2MoO4 + Na2SO4 + H2O =>
2 MoS2 + 9 O2 + 12 NaOH = 2 Na2MoO4 + 4 Na2SO4 + 6 H2O
N0 = N202 =>
202 N0 = N202
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
KI + Ca(OCl) + HCl = KCl + I2 + CaCl2 + H2O =>
2 KI + 2 Ca(OCl) + 4 HCl = 2 KCl + I2 + 2 CaCl2 + 2 H2O
[Ag(NH2)]2OH + HCHO + H2O = HCOONH4 + NH3 + Ag =>
2[Ag(NH2)]2OH + 3 HCHO + H2O = 3 HCOONH4 + NH3 + 4 Ag
Al + Fe(NO3)2 = Al(NO3)3 + Fe =>
2 Al + 3 Fe(NO3)2 = 2 Al(NO3)3 + 3 Fe
Ag2O2 = AgO =>
Ag2O2 = 2 AgO
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
CuCrO4 + KI = CuI + I2 + K2CrO4 =>
2 CuCrO4 + 4 KI = 2 CuI + I2 + 2 K2CrO4
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
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