| Équations équilibrées la veille |
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
K2SO3 + NaNO3 + NaHSO4 = K2SO4 + NO + Na2SO4 + H2O =>
3 K2SO3 + 2 NaNO3 + 2 NaHSO4 = 3 K2SO4 + 2 NO + 2 Na2SO4 + H2O
NaOH + (NH4)2SO4 = (Na)2SO4 + NH4OH =>
2 NaOH + (NH4)2SO4 = (Na)2SO4 + 2 NH4OH
H2O2 + H2SO4 + Cu = H2O + CuSO4 =>
H2O2 + H2SO4 + Cu = 2 H2O + CuSO4
Al + HCl = AlCl3 + H16 =>
16 Al + 48 HCl = 16 AlCl3 + 3 H16
B + N = BN =>
B + N = BN
AlBr3(aq) + Pb(NO3)2(aq) = Al(NO3)3 + PbBr2(s) =>
2 AlBr3(aq) + 3 Pb(NO3)2(aq) = 2 Al(NO3)3 + 3 PbBr2(s)
Na2MnO4 + KI + H2O = MnO2 + I2 + NaOH + KOH =>
Na2MnO4 + 2 KI + 2 H2O = MnO2 + I2 + 2 NaOH + 2 KOH
ZnCl2 + NH3 = ZnH3 + NCl2 =>
ZnCl2 + NH3 = ZnH3 + NCl2
Fe + H3PO4 = Fe(PO4)2 + H3 =>
Fe + 2 H3PO4 = Fe(PO4)2 + 2 H3
BaO2 + NaOH = BaOH + NaO2 =>
BaO2 + NaOH = BaOH + NaO2
ClF3 + NH3 = N2 + HF + Cl =>
2 ClF3 + 2 NH3 = N2 + 6 HF + 2 Cl
K2O + H3PO4 = H2O + K3PO4 =>
3 K2O + 2 H3PO4 = 3 H2O + 2 K3PO4
VO + I2O3 = V2O3 + IO =>
2 VO + I2O3 = V2O3 + 2 IO
NH3 + NO = nitrogen + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
I2 + NO3 = IO + NO2 =>
I2 + 2 NO3 = 2 IO + 2 NO2
I2 + Pb = PbI2 =>
I2 + Pb = PbI2
Br2 + FeI3 = Fe + Br2I3 =>
Br2 + FeI3 = Fe + Br2I3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Al + CH3COOH = Al(CH3COO) + H2 =>
2 Al + 2 CH3COOH = 2 Al(CH3COO) + H2
MnCO3(heat) = MnO(s) + CO2(g) =>
MnCO3(heat) = MnO(s) + CO2(g)
FeO + HCl = FeCl3 + H2O + H2 =>
2 FeO + 6 HCl = 2 FeCl3 + 2 H2O + H2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
HNO3(conc) + Fe(OH)2 = Fe(NO3)2 + H2O =>
2 HNO3(conc) + Fe(OH)2 = Fe(NO3)2 + 2 H2O
LiCl(aq) + CaS(aq) = Li2S(aq) + CaCl2(aq) =>
2 LiCl(aq) + CaS(aq) = Li2S(aq) + CaCl2(aq)
Ca(ClO3)2 + Co2 = CaCo3 + Cl + O =>
2 Ca(ClO3)2 + 3 Co2 = 2 CaCo3 + 4 Cl + 12 O
C6H5CH3Cl2 = C6H5CH2ClHCl =>
C6H5CH3Cl2 = C6H5CH2ClHCl
NaC2 + CaCl = NaCl + CaC2 =>
NaC2 + CaCl = NaCl + CaC2
Au + NaNO3 + HCl = AuCl3 + NO + Na2O + H2O =>
2 Au + 2 NaNO3 + 6 HCl = 2 AuCl3 + 2 NO + Na2O + 3 H2O
KBr + K2CrO4 + H2SO4 = Br2 + K2SO4 + H2O + KCrO2 =>
6 KBr + 2 K2CrO4 + 4 H2SO4 = 3 Br2 + 4 K2SO4 + 4 H2O + 2 KCrO2
K2CO3(s) + H2O(g) + CO2(g) = KHCO3(s) =>
K2CO3(s) + H2O(g) + CO2(g) = 2 KHCO3(s)
AgNO + Na2CO3 = Ag2CO3 + NaNO =>
2 AgNO + Na2CO3 = Ag2CO3 + 2 NaNO
Ni(CO2)4 = Ni + C + O =>
Ni(CO2)4 = Ni + 4 C + 8 O
CuS + NO3{-} + H{+} = Cu{+2+SO4{-2}+NO2+H2O =>
CuS + 8 NO3{-} + 8 H{+} = Cu{+2+SO4{-2}+8NO2+4H2O
MnO2 + HCl + H2C2O4 = MnCl2 + H2O + CO2 =>
MnO2 + 2 HCl + H2C2O4 = MnCl2 + 2 H2O + 2 CO2
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
Na2 + CO3 + Pb(NO3)2 = PbCO3 + Na(NO3) =>
Na2 + CO3 + Pb(NO3)2 = PbCO3 + 2 Na(NO3)
(Cr(OH)){-} + H2O2 = CrO4{-}2 + H2O =>
2(Cr(OH)){-} + 7 H2O2 = 2 CrO4{-}2 + 8 H2O
[Cu(NH3)4]SO4 + HNO3 = Cu(NO3)2 + NO + H2SO4 + H2O =>
3[Cu(NH3)4]SO4 + 26 HNO3 = 3 Cu(NO3)2 + 32 NO + 3 H2SO4 + 28 H2O
AgNO3 + KI = AgIO3 + KN =>
AgNO3 + KI = AgIO3 + KN
Ca(OH)2 + NHO3 = Ca(NO3)2 + HOH =>
Ca(OH)2 + 2 NHO3 = Ca(NO3)2 + 2 HOH
Be(OH)2 + HNO3 = Be(NO3)2 + H(OH) =>
Be(OH)2 + 2 HNO3 = Be(NO3)2 + 2 H(OH)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CdBr + NaS = CdS + NaBr =>
CdBr + NaS = CdS + NaBr
H2 + C3 + O = HCO =>
3 H2 + 2 C3 + 6 O = 6 HCO
Cu(No)32 + Ca = Ca(No)32 + Cu =>
Cu(No)32 + Ca = Ca(No)32 + Cu
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
CH3CH2OH = CH2CH2H2O =>
CH3CH2OH = CH2CH2H2O
SO2 + K[I(I)2] + H2O = KI + HI + H2SO4 =>
SO2 + K[I(I)2] + 2 H2O = KI + 2 HI + H2SO4
ClO2 + O3 = Cl2O6 =>
6 ClO2 + 2 O3 = 3 Cl2O6
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