| Équations équilibrées la veille |
2[Cu(NH3)4]Cl2 + 10 KCN = 2 K3[Cu(CN)4] + 4 KCl + (CN)2 + 8 NH3
Na2S + Cu(NO3)2 = NaNO3 + CuS =>
Na2S + Cu(NO3)2 = 2 NaNO3 + CuS
CuCl2 + (NH4)3PO4 = Cu3(PO4)2 + NH4Cl =>
3 CuCl2 + 2(NH4)3PO4 = Cu3(PO4)2 + 6 NH4Cl
C2H5OH + Ag2O = C4H5COOH + Ag + H2O =>
5 C2H5OH + 8 Ag2O = 2 C4H5COOH + 16 Ag + 9 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
K[Ag(CN)2] + NH3 = K[Ag(CN)2(NH3)2] =>
K[Ag(CN)2] + 2 NH3 = K[Ag(CN)2(NH3)2]
CH3OH + Cl2 = CH2ClOH + HCl =>
CH3OH + Cl2 = CH2ClOH + HCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
KOH + As = AsOH + K =>
KOH + As = AsOH + K
NaOH(aq) + H2SO4(aq) = Na2SO4(cr) + H2O(g) =>
2 NaOH(aq) + H2SO4(aq) = Na2SO4(cr) + 2 H2O(g)
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
BaC2 + H2O = Ba(OH)2 + C2H2 =>
BaC2 + 2 H2O = Ba(OH)2 + C2H2
K2SO4 + NH3 + H2O = (NH4)2SO4 + KOH =>
K2SO4 + 2 NH3 + 2 H2O = (NH4)2SO4 + 2 KOH
KNO2 + KMnO4 + H2SO4 = KNO3 + MnSO4 + K2SO4 + H2 =>
8 KNO2 + 2 KMnO4 + 3 H2SO4 = 8 KNO3 + 2 MnSO4 + K2SO4 + 3 H2
Cu(No3)2 + NaCl = Cu(Cl)2 + NaNo3 =>
Cu(No3)2 + 2 NaCl = Cu(Cl)2 + 2 NaNo3
SnCl4 + H3N = SnCl2 + HCl + N2 =>
3 SnCl4 + 2 H3N = 3 SnCl2 + 6 HCl + N2
LiCl + H2SO4 = Li2SO4 + HCl =>
2 LiCl + H2SO4 = Li2SO4 + 2 HCl
CaCO3 + Na2HPO4 = CaHPO4 + Na2CO3 =>
CaCO3 + Na2HPO4 = CaHPO4 + Na2CO3
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
RbI2(aq) + AgNO3(s) = Rb(NO3)2(s) + AgI(l) =>
RbI2(aq) + 2 AgNO3(s) = Rb(NO3)2(s) + 2 AgI(l)
Ba(OH)2(aq) + MgSO4(aq) = BaSO4 + Mg(OH)2 =>
Ba(OH)2(aq) + MgSO4(aq) = BaSO4 + Mg(OH)2
KMnO4 + HCl + FeCl2 = MnO + FeCl3 + H2O + KCl =>
KMnO4 + 6 HCl + 5 FeCl2 = MnO + 5 FeCl3 + 3 H2O + KCl
lithiumbromide + potassiumnitrate = lithiumnitrate + potassiumbromide =>
LiBr + KNO3 = LiNO3 + KBr
SrCO3 + Ba(NO3)2 = Sr(NO3)2 + BaCO3 =>
SrCO3 + Ba(NO3)2 = Sr(NO3)2 + BaCO3
Si10H10 + O2 = SiO2 + H2O =>
2 Si10H10 + 25 O2 = 20 SiO2 + 10 H2O
Fe2Cl3 + F = FCl + Fe2 =>
Fe2Cl3 + 3 F = 3 FCl + Fe2
TlNO3 + KOH + Cl2 = Tl2O3 + KNO3 + KCl + H2O =>
2 TlNO3 + 6 KOH + 2 Cl2 = Tl2O3 + 2 KNO3 + 4 KCl + 3 H2O
FeNo2 + H2O = Fe2 + O2 + HNo3 =>
6 FeNo2 + 2 H2O = 3 Fe2 + O2 + 4 HNo3
NaBiO3 + FeS + H2SO4 = Bi2(SO4)3 + Fe2(SO4)3 + Na2SO4 + H2O =>
18 NaBiO3 + 4 FeS + 38 H2SO4 = 9 Bi2(SO4)3 + 2 Fe2(SO4)3 + 9 Na2SO4 + 38 H2O
KClO3 + KMnO4 + H2O = MnO2 + KClO4 + KOH =>
3 KClO3 + 2 KMnO4 + H2O = 2 MnO2 + 3 KClO4 + 2 KOH
FeCl3 + NaOH = Fe2O3 + NaCl + HCl =>
2 FeCl3 + 3 NaOH = Fe2O3 + 3 NaCl + 3 HCl
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
C154H27 + O2 = H2O + CO2 =>
4 C154H27 + 643 O2 = 54 H2O + 616 CO2
ClH7 = Cl2 + H2 =>
2 ClH7 = Cl2 + 7 H2
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
K2Cr2O7 + LiNO3 = KNO3 + Li2Cr2O7 =>
K2Cr2O7 + 2 LiNO3 = 2 KNO3 + Li2Cr2O7
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
BO3H3 = H4B6O11 + H2O =>
6 BO3H3 = H4B6O11 + 7 H2O
CH3OH + KMnO4 = K2CO3 + MnO2 + H2O =>
CH3OH + 2 KMnO4 = K2CO3 + 2 MnO2 + 2 H2O
C6H12 + Cl2 = C5H10Cl2 =>
5 C6H12 + 6 Cl2 = 6 C5H10Cl2
K2Cr2O7 + NH3 + H2O = Cr(OH)3 + KNO3 + KOH =>
4 K2Cr2O7 + 3 NH3 + 10 H2O = 8 Cr(OH)3 + 3 KNO3 + 5 KOH
C2H5Cl + O2 = Cl + CO2 + H2O =>
4 C2H5Cl + 13 O2 = 4 Cl + 8 CO2 + 10 H2O
Mg2O2 + H2SO4 = Mg2(SO4)2 + H2O =>
Mg2O2 + 2 H2SO4 = Mg2(SO4)2 + 2 H2O
CaC2 + H2O = Ca(OH)2(s) + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2(s) + C2H2
NaNO2 + KI + HCl = NO + I2 + NaCl + KCl + H2O =>
2 NaNO2 + 2 KI + 4 HCl = 2 NO + I2 + 2 NaCl + 2 KCl + 2 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
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