| Équations équilibrées la veille |
3 HClO3(aq) + Al(OH)3(s) = Al(ClO3)3(aq) + 3 H2O(l)
K2Cr2O7 + SnCl2 + KOH = K2SnO3 + K[Cr(OH)4] + KCl + H2O =>
K2Cr2O7 + 3 SnCl2 + 12 KOH = 3 K2SnO3 + 2 K[Cr(OH)4] + 6 KCl + 2 H2O
AgNO3(aq) + NiI2(aq) = AgI(s) + Ni(NO3)2(aq) =>
2 AgNO3(aq) + NiI2(aq) = 2 AgI(s) + Ni(NO3)2(aq)
NO3{-} + H{+} + {-} = NO2 + H2O =>
NO3{-} + 2 H{+} + e = NO2 + H2O
K2RuO4 + H2SO4 + KIO4 = RuO4 + I2 + K2SO4 + H2O =>
7 K2RuO4 + 8 H2SO4 + 2 KIO4 = 7 RuO4 + I2 + 8 K2SO4 + 8 H2O
FeSO4 + KClO3 + KOH = K2FeO4 + KCl + K2SO3 + H2O =>
3 FeSO4 + KClO3 + 12 KOH = 3 K2FeO4 + KCl + 3 K2SO3 + 6 H2O
Ca(HSO3)2 = CaO + SO2 + H2O =>
Ca(HSO3)2 = CaO + 2 SO2 + H2O
Fe + Na2S2O3 + HCl = FeCl3 + NaCl + H2S + H2O =>
8 Fe + 3 Na2S2O3 + 30 HCl = 8 FeCl3 + 6 NaCl + 6 H2S + 9 H2O
*2NaI + Cl2 = *2NaCl + I2 =>
*2NaI + Cl2 = *2NaCl + I2
CaH2 + Cl2 = HCl + Ca =>
CaH2 + Cl2 = 2 HCl + Ca
KH2PO4 + CaCl2 + H2O + NaOH = CaPO4 + NaOHCl2 + H5O2 + K =>
KH2PO4 + CaCl2 + 4 H2O + NaOH = CaPO4 + NaOHCl2 + 2 H5O2 + K
Fe + CH3COOH = Fe(CH3COO)2 + H2 =>
Fe + 2 CH3COOH = Fe(CH3COO)2 + H2
Fe2(SO4)3 + K4Fe(CN)6 = KFe(Fe(CN)6) + K2SO4 =>
Fe2(SO4)3 + 2 K4Fe(CN)6 = 2 KFe(Fe(CN)6) + 3 K2SO4
Fe(OH)3 + KI = FeK3 + I(OH) =>
Fe(OH)3 + 3 KI = FeK3 + 3 I(OH)
Li2S + HgNO3 = LiNO3 + Hg2S =>
Li2S + 2 HgNO3 = 2 LiNO3 + Hg2S
SiCl4 + H2O = H4SiO4 + HCl =>
SiCl4 + 4 H2O = H4SiO4 + 4 HCl
LiC2H3O2 + Ga2(SiO3)3 = Li2SiO3 + Ga(C2H3O2)3 =>
6 LiC2H3O2 + Ga2(SiO3)3 = 3 Li2SiO3 + 2 Ga(C2H3O2)3
(CH3)3NHCl + NaOH = N(CH3)3 + NaCl + H2O =>
(CH3)3NHCl + NaOH = N(CH3)3 + NaCl + H2O
CH2OHCH3 + CH3CH2COOH = CH3CH2COOCH2CH3 + H2O =>
CH2OHCH3 + CH3CH2COOH = CH3CH2COOCH2CH3 + H2O
CH3CH2COOH + CH3NHCH3 = CH3CH2COO + CH3NH2CH7 =>
5 CH3CH2COOH + CH3NHCH3 = 5 CH3CH2COO + CH3NH2CH7
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NaOH + ZuSO4 = ZuOH + NaSO4 =>
NaOH + ZuSO4 = ZuOH + NaSO4
CdBr2 + Na2S = CdS(s) + NaBr =>
CdBr2 + Na2S = CdS(s) + 2 NaBr
NH2CH3 + HNO3 = CH3OH + N2 + H2O =>
5 NH2CH3 + 3 HNO3 = 5 CH3OH + 4 N2 + 4 H2O
NaClO3 + HCl = NaCl + ClO2 + H2O =>
5 NaClO3 + 6 HCl = 5 NaCl + 6 ClO2 + 3 H2O
CuSO4 + Pb(NO3)2 = Pb(SO4)2 + CuNO3 =>
2 CuSO4 + Pb(NO3)2 = Pb(SO4)2 + 2 CuNO3
H2C2O4 + CaCO3 = H2O + CO2 + Ca =>
H2C2O4 + CaCO3 = H2O + 3 CO2 + Ca
Zn(s) + Pb(NO3)(aq) = Pb(s) + Zn(NO3)2(aq) =>
Zn(s) + 2 Pb(NO3)(aq) = 2 Pb(s) + Zn(NO3)2(aq)
Ta + Cl2 = TaCl5 =>
2 Ta + 5 Cl2 = 2 TaCl5
X + O = X2O3 =>
2 X + 3 O = X2O3
Cr(NO3)2 + K2SO4 = CrSO4 + KNO3 =>
Cr(NO3)2 + K2SO4 = CrSO4 + 2 KNO3
CrOH3 + NaClO + NaCO3 = Na2CrO4 + NaCl + CO2 + H2O =>
2 CrOH3 + 5 NaClO + 4 NaCO3 = 2 Na2CrO4 + 5 NaCl + 4 CO2 + 3 H2O
BaBr2 + K2S = KBr + BaS =>
BaBr2 + K2S = 2 KBr + BaS
Fe2 + H = FeH2 =>
Fe2 + 4 H = 2 FeH2
Cr2O7{-2} + H3O{+} + {-} = Cr + H2O =>
Cr2O7{-2} + 14 H3O{+} + 12e = 2 Cr + 21 H2O
AuBr3 + NaCN = Au(CN)3 + NaBr =>
AuBr3 + 3 NaCN = Au(CN)3 + 3 NaBr
C2H10 + O2 = CO + H2O =>
2 C2H10 + 7 O2 = 4 CO + 10 H2O
C6H5CHO + KOH = C7H5O2K + C6H5CH2OH =>
2 C6H5CHO + KOH = C7H5O2K + C6H5CH2OH
KOH(aq) + BaCl2(aq) = KCl(aq) + Ba(OH)2(s) =>
2 KOH(aq) + BaCl2(aq) = 2 KCl(aq) + Ba(OH)2(s)
Mg + Na3(PO4) = Mg3(PO4)2 + Na =>
3 Mg + 2 Na3(PO4) = Mg3(PO4)2 + 6 Na
HS + OH = S + H2O =>
HS + OH = S + H2O
HCl + NiCl2 = HCl2 + NiCl =>
HCl + NiCl2 = HCl2 + NiCl
CH3CH2OH + H3PO4 = CH3CH2H2PO4 + H2O =>
CH3CH2OH + H3PO4 = CH3CH2H2PO4 + H2O
Cr(NO3)3 = Cr2O3 + NO2 + O2 =>
4 Cr(NO3)3 = 2 Cr2O3 + 12 NO2 + 3 O2
CaI2 + KOH = KI + Ca(OH)2 =>
CaI2 + 2 KOH = 2 KI + Ca(OH)2
K2CrO4 + Na3SO3 + HCl = KCl + Na3SO4 + CrCl3 + H2O =>
2 K2CrO4 + 3 Na3SO3 + 10 HCl = 4 KCl + 3 Na3SO4 + 2 CrCl3 + 5 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Al(OH)3(s) + CO2 = Al2(CO3)3(s) + H2O(l) =>
2 Al(OH)3(s) + 3 CO2 = Al2(CO3)3(s) + 3 H2O(l)
K2Cr2O7 + As + H2SO4 = As2O5 + Cr2(SO4)3 + K2SO4 + H2O =>
5 K2Cr2O7 + 6 As + 20 H2SO4 = 3 As2O5 + 5 Cr2(SO4)3 + 5 K2SO4 + 20 H2O
BeO + NaOH = NaBeO2 + H2 =>
2 BeO + 2 NaOH = 2 NaBeO2 + H2
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