| Équations équilibrées la veille | Équations équilibrées le lendemain |
CaCO3 + 2 Na(HCOO) = Ca(HCOO)2 + Na2CO3
AgNO{+3} + H{+2}SO{+4} = Ag{+2}SO{+4} + HNO{+3} =>
AgNO{+3} + H{+2}SO{+4} = Ag{+2}SO{+4} + HNO{+3}
NaNO2 + K2Cr2O7 + H2SO4 = NaNO3 + K2SO4 + H2O + CrSO4 =>
4 NaNO2 + K2Cr2O7 + 3 H2SO4 = 4 NaNO3 + K2SO4 + 3 H2O + 2 CrSO4
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Li2O + Al2O3 = LiAlO2 =>
Li2O + Al2O3 = 2 LiAlO2
C3H28 + O2 = CO2 + H2O =>
C3H28 + 10 O2 = 3 CO2 + 14 H2O
MgO + CO2 = MgCO3(classification) =>
MgO + CO2 = MgCO3(classification)
C6H6 + CH3Cl = Cl + C6H5CH3 =>
13 C6H6 + 6 CH3Cl = 6 Cl + 12 C6H5CH3
LaC2(s) + H2O(l) = La(OH)3 + C2H2(g) + H2(aq) =>
2 LaC2(s) + 6 H2O(l) = 2 La(OH)3 + 2 C2H2(g) + H2(aq)
Cu(OH)2 + CuS = Cu2S + H2O2 =>
Cu(OH)2 + CuS = Cu2S + H2O2
SnI4 + CH3COOTl = TlI + Sn(CH3COO)4 =>
SnI4 + 4 CH3COOTl = 4 TlI + Sn(CH3COO)4
Fe + H3PO4 = Fe3(PO4)2 + H2 =>
3 Fe + 2 H3PO4 = Fe3(PO4)2 + 3 H2
Na2(Pb(OH)4) + Cl2 = PbO2 + NaCl + H2O =>
Na2(Pb(OH)4) + Cl2 = PbO2 + 2 NaCl + 2 H2O
W(NO3)2 + H2NCONH2 = WO3 + H2O + CO2 + N2 =>
W(NO3)2 + H2NCONH2 = WO3 + 2 H2O + CO2 + 2 N2
CH2(OH)COOH + NaOH = CH2(OH)COONa + H2O =>
CH2(OH)COOH + NaOH = CH2(OH)COONa + H2O
silver + nitricacid = silvernitrate + hydrogen =>
2 Ag + 2 HNO3 = 2 AgNO3 + H2
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
MgBr2 + H2SO4 = MgBr2H2SO4 =>
MgBr2 + H2SO4 = MgBr2H2SO4
Na2O + CH3CO2 = NaCH3CO2 + CO2 + H2O =>
7 Na2O + 16 CH3CO2 = 14 NaCH3CO2 + 4 CO2 + 3 H2O
Ca5(H2PO4)2 + CaC2 + H2O = H3PO4 + CaO + C2H6 =>
Ca5(H2PO4)2 + 2 CaC2 + 7 H2O = 2 H3PO4 + 7 CaO + 2 C2H6
Pb2(NO3) + KI = Pb2I + KNO3 =>
Pb2(NO3) + KI = Pb2I + KNO3
N2 + H2O = NH4(NO2) =>
N2 + 2 H2O = NH4(NO2)
K3PO4 + NaCO3 = KCO3 + Na3PO4 =>
K3PO4 + 3 NaCO3 = 3 KCO3 + Na3PO4
LiNO3 + C6H8O7 = Li2O + CO2 + H2O + N2 =>
18 LiNO3 + 5 C6H8O7 = 9 Li2O + 30 CO2 + 20 H2O + 9 N2
AgCO3 + HCl = AgCl + HCO3 =>
AgCO3 + HCl = AgCl + HCO3
KOH + SO2 = KOHSO2 =>
KOH + SO2 = KOHSO2
Cu + H2SO4 = CuSO4(a) + SO2(g) + H2O(l) =>
Cu + 2 H2SO4 = CuSO4(a) + SO2(g) + 2 H2O(l)
P4H10 + H2O + O2 = H3PO3 =>
2 P4H10 + 2 H2O + 11 O2 = 8 H3PO3
Br + PBr3 = PBr5 =>
2 Br + PBr3 = PBr5
Cu(OH)2 + HI = H2O + CuI2 =>
Cu(OH)2 + 2 HI = 2 H2O + CuI2
SrCl2 + Na2HPO4 = NaCl + SrHPO4 =>
SrCl2 + Na2HPO4 = 2 NaCl + SrHPO4
C6H5OH + C2H5OH = C6H5OC2H5 + H2O =>
C6H5OH + C2H5OH = C6H5OC2H5 + H2O
Cu + HNO3(dil) = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3(dil) = 3 Cu(NO3)2 + 4 H2O + 2 NO
K3P + Fe(NO3)2 = KNO3 + Fe3P2 =>
2 K3P + 3 Fe(NO3)2 = 6 KNO3 + Fe3P2
KMnO4 + H2SO4 + Fe = Fe2(SO4)3 + K2SO4 + H2O + MnSO4 =>
6 KMnO4 + 24 H2SO4 + 10 Fe = 5 Fe2(SO4)3 + 3 K2SO4 + 24 H2O + 6 MnSO4
HClO2 + Ca = ClO + Ca(OH)2 =>
2 HClO2 + Ca = 2 ClO + Ca(OH)2
K2Cr2O7 + H2SO4 = O2 + Cr2(SO4)3 + K2SO4 + H2O =>
2 K2Cr2O7 + 8 H2SO4 = 3 O2 + 2 Cr2(SO4)3 + 2 K2SO4 + 8 H2O
Cl2O3 + H2O = HClO2 =>
Cl2O3 + H2O = 2 HClO2
H2O + N2O4 = N2 + H2O2 =>
4 H2O + N2O4 = N2 + 4 H2O2
K2FeO4 + KI + H2O = Fe(OH)3 + I2 + KOH =>
2 K2FeO4 + 6 KI + 8 H2O = 2 Fe(OH)3 + 3 I2 + 10 KOH
UO2(CH3COO)2 + HNO3 = UO2 + CO2 + H2O + NO2 =>
UO2(CH3COO)2 + 14 HNO3 = UO2 + 4 CO2 + 10 H2O + 14 NO2
CrBr3 + H2O = HBrO + CrBr2H =>
CrBr3 + H2O = HBrO + CrBr2H
NaOH + SiO2 = (Na2O)*(SiO2)3 + H2O =>
2 NaOH + 3 SiO2 = (Na2O)*(SiO2)3 + H2O
C2H6(g) + O2(g) = CO2(g) + H2O(e) =>
2 C2H6(g) + 7 O2(g) = 4 CO2(g) + 6 H2O(e)
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
Na + Ta2O5 + B2O3 = NaBO2 + TaB2 =>
22 Na + Ta2O5 + 13 B2O3 = 22 NaBO2 + 2 TaB2
NaCl(s) + H2SO4(dil) = Na2SO4 + HCl =>
2 NaCl(s) + H2SO4(dil) = Na2SO4 + 2 HCl
Si + HNO3 + HF = H2SiF6 + NO + H2O =>
3 Si + 4 HNO3 + 18 HF = 3 H2SiF6 + 4 NO + 8 H2O
Ca + HBr = CaBr2 + H2 =>
Ca + 2 HBr = CaBr2 + H2
K3PO4(aq) + BaCl2(aq) = KCl(aq) + Ba3(PO4)2(s) =>
2 K3PO4(aq) + 3 BaCl2(aq) = 6 KCl(aq) + Ba3(PO4)2(s)
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