| Équations équilibrées la veille |
3 CuSO4 + 2 Fe(NO3)3 = 3 Cu(NO3)2 + Fe2(SO4)3
H2SO4 + NaCl + MnO2 = H2O + NaHSO4 + Mn2SO4 + Cl2 =>
7 H2SO4 + 6 NaCl + 2 MnO2 = 4 H2O + 6 NaHSO4 + Mn2SO4 + 3 Cl2
CH3OHC2H5COOH = C2H5COOCH3H2O =>
CH3OHC2H5COOH = C2H5COOCH3H2O
FeBr2 + O2 = Fe2O3 + Br2 =>
4 FeBr2 + 3 O2 = 2 Fe2O3 + 4 Br2
Mn(OH)2 + NaClO3 + NaOH = NaMnO4 + NaCl + H2O =>
6 Mn(OH)2 + 5 NaClO3 + 6 NaOH = 6 NaMnO4 + 5 NaCl + 9 H2O
KC10 = KC104 + KC1 =>
103 KC10 = 9 KC104 + 94 KC1
AuCl3 + Au2S + H2O = Au + HCl + H2SO4 =>
2 AuCl3 + Au2S + 4 H2O = 4 Au + 6 HCl + H2SO4
H3PO4 + NH3 = NH6PO4 =>
H3PO4 + NH3 = NH6PO4
BaNO3 + Br2 = BrNO3 + Ba =>
2 BaNO3 + Br2 = 2 BrNO3 + 2 Ba
J2 + HNO3 = NO + HJO3 + H2O =>
3 J2 + 10 HNO3 = 10 NO + 6 HJO3 + 2 H2O
I{-} + Cl{2} = ICl{3} + Cl{-} =>
3 I{-} + 5 Cl{2} = 3 ICl{3} + 2 Cl{-}
Al(C2H3O2)3 + H2SO4 = Al2(SO4)3 + HC2H3O2 =>
2 Al(C2H3O2)3 + 3 H2SO4 = Al2(SO4)3 + 6 HC2H3O2
B + F2 = BF5 =>
2 B + 5 F2 = 2 BF5
S + K2CO3 = K2S + CO2 + O2 =>
2 S + 2 K2CO3 = 2 K2S + 2 CO2 + O2
K2CO3 + H2SO4 = H2CO3 + K2SO4 =>
K2CO3 + H2SO4 = H2CO3 + K2SO4
R2D2 + C3PO = RC2 + D2P + RO2 =>
2 R2D2 + 2 C3PO = 3 RC2 + 2 D2P + RO2
K2CO3 + H2SO4 = H2CO3 + K2SO4 =>
K2CO3 + H2SO4 = H2CO3 + K2SO4
H3SbO3 + HCl = SbCl3 + H2O =>
H3SbO3 + 3 HCl = SbCl3 + 3 H2O
Ag2CO3 = Ag + CO3 =>
Ag2CO3 = 2 Ag + CO3
Cl{-} + CrO4{-2} + H2O = ClO{-} + CrO2{-} + OH{-} =>
3 Cl{-} + 2 CrO4{-2} + H2O = 3 ClO{-} + 2 CrO2{-} + 2 OH{-}
FeS + HCl = FeCl2 + H2 + S =>
FeS + 2 HCl = FeCl2 + H2 + S
NH3 + I2 = NI3 + H2 =>
2 NH3 + 3 I2 = 2 NI3 + 3 H2
NF = N2F2 =>
2 NF = N2F2
NF3 = N3 + F =>
3 NF3 = N3 + 9 F
LiSO3 + Mg = Mg(SO3)2 + Li =>
2 LiSO3 + Mg = Mg(SO3)2 + 2 Li
SO3 + Ra(OH)2 = RaSO4 + H2O =>
SO3 + Ra(OH)2 = RaSO4 + H2O
Na2O + HI = NaI + H2O =>
Na2O + 2 HI = 2 NaI + H2O
MnO2 + HCO3 + H = MnCO3 + H2O =>
MnO2 + HCO3 + 3 H = MnCO3 + 2 H2O
K + P = K2P2 =>
2 K + 2 P = K2P2
C10H20(OH)2 + O2 = CO2 + H2O =>
2 C10H20(OH)2 + 29 O2 = 20 CO2 + 22 H2O
LiSO3 + H2SO4 = LiSO4 + H2O + SO2 =>
LiSO3 + H2SO4 = LiSO4 + H2O + SO2
Cr + ClO4{-} + HCl = Cr2O7{-2} + Cl2 + H2O =>
2 Cr + 2 ClO4{-} + 2 HCl = Cr2O7{-2} + 2 Cl2 + H2O
K2Cr3O7 + CH3CH2OH + H2SO4 = Cr2(SO4)3 + CH3CHO + K2SO4 + H2O =>
2 K2Cr3O7 + 3 CH3CH2OH + 11 H2SO4 = 3 Cr2(SO4)3 + 3 CH3CHO + 2 K2SO4 + 14 H2O
CrBr3 + K2S + H2O = Cr(OH)3 + H2S + KBr =>
2 CrBr3 + 3 K2S + 6 H2O = 2 Cr(OH)3 + 3 H2S + 6 KBr
BaCl2 + KOH = BaCl2(KOH) =>
BaCl2 + KOH = BaCl2(KOH)
BaO + C = CO2 + BaC2 =>
2 BaO + 5 C = CO2 + 2 BaC2
MnCl2 + K4(FeCN6) = Mn4(FeCN6)2 + KCl =>
4 MnCl2 + 2 K4(FeCN6) = Mn4(FeCN6)2 + 8 KCl
FeCl3 + H2S = FeS3 + H2Cl =>
FeCl3 + 3 H2S = FeS3 + 3 H2Cl
H[SnCl3] + Br2 + HCl = H3[SnCl6] + HBr =>
2 H[SnCl3] + Br2 + 6 HCl = 2 H3[SnCl6] + 2 HBr
AlCl3 + LiOH = Al(OH)3 + LiCl =>
AlCl3 + 3 LiOH = Al(OH)3 + 3 LiCl
C6H5Cl + CH3Cl + Na = C6H5CH3 + NaCl =>
C6H5Cl + CH3Cl + 2 Na = C6H5CH3 + 2 NaCl
C3H5(OH)3 + O2 = CO2 + H2O =>
2 C3H5(OH)3 + 7 O2 = 6 CO2 + 8 H2O
HBrO4 + CsOH = Cs(BrO4) + H2O =>
HBrO4 + CsOH = Cs(BrO4) + H2O
Al + I2 = AlI3 =>
2 Al + 3 I2 = 2 AlI3
C4H20 + O2 = CO2 + H2O =>
C4H20 + 9 O2 = 4 CO2 + 10 H2O
NaCl2 + H2SO4 + MnO2 = NaSO4 + MnCl2 + Cl2 + H2O =>
2 NaCl2 + 2 H2SO4 + MnO2 = 2 NaSO4 + MnCl2 + Cl2 + 2 H2O
KF(aq) + Pb(NO3)2(aq) = PbF2(s) + KNO3(s) =>
2 KF(aq) + Pb(NO3)2(aq) = PbF2(s) + 2 KNO3(s)
Na2Zn(OH)4 + Na2SO4 = ZnSO4 + NaOH =>
Na2Zn(OH)4 + Na2SO4 = ZnSO4 + 4 NaOH
CuO + C2H5OH = CH3CHO + Cu + H2O =>
CuO + C2H5OH = CH3CHO + Cu + H2O
HClO3 + NaHS = Na2S2O3 + Cl2 + H2O =>
8 HClO3 + 10 NaHS = 5 Na2S2O3 + 4 Cl2 + 9 H2O
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