| Équations équilibrées la veille |
2 K3PO4(aq) + 3 FeCl2(aq) = Fe3(PO4)2(ppt) + 6 KCl(aq)
C5H5NO2 + O2 = H2O + CO2 + N2 =>
4 C5H5NO2 + 21 O2 = 10 H2O + 20 CO2 + 2 N2
CH2O + K2Cr2O7 = CO2 + Cr + K + H =>
7 CH2O + K2Cr2O7 = 7 CO2 + 2 Cr + 2 K + 14 H
Ta + HNO3 + HF = H3TaF7 + NO + H2O =>
3 Ta + 4 HNO3 + 21 HF = 3 H3TaF7 + 4 NO + 8 H2O
Mg2O + H2O = MgOH =>
Mg2O + H2O = 2 MgOH
NaPb2(CO3)2OH + HNO3 = Pb + NO3 + NaOH + CO2 + H2O =>
NaPb2(CO3)2OH + 4 HNO3 = 2 Pb + 4 NO3 + NaOH + 2 CO2 + 2 H2O
K2CrO7 + NO + H2SO4 = HNO3 + K2SO4 + Cr2(SO4)3 + H2O =>
2 K2CrO7 + 6 NO + 5 H2SO4 = 6 HNO3 + 2 K2SO4 + Cr2(SO4)3 + 2 H2O
Pb(NaO3)2 + KI = KNaO3 + PbI2 =>
Pb(NaO3)2 + 2 KI = 2 KNaO3 + PbI2
C2H4 + NH3 = C8H18 + N =>
12 C2H4 + 2 NH3 = 3 C8H18 + 2 N
Ni + Ag2SO4 = Ni2SO4 + Ag =>
2 Ni + Ag2SO4 = Ni2SO4 + 2 Ag
CaCo3 = Ca + Co6 =>
2 CaCo3 = 2 Ca + Co6
K2Cl2O7 + KI + H2SO4 = K2SO4 + Cl2(SO4)3 + I2 + H2O =>
K2Cl2O7 + 6 KI + 7 H2SO4 = 4 K2SO4 + Cl2(SO4)3 + 3 I2 + 7 H2O
Bi(OH)3 + H3BO3 = BiBO3 + H2O =>
Bi(OH)3 + H3BO3 = BiBO3 + 3 H2O
C2H3NaO2 + O2 = CO2 + H2O + Na =>
4 C2H3NaO2 + 7 O2 = 8 CO2 + 6 H2O + 4 Na
Bi2S3 + NO3{-} + H{+} = Bi{3+} + NO + S + H2O =>
Bi2S3 + 2 NO3{-} + 8 H{+} = 2 Bi{3+} + 2 NO + 3 S + 4 H2O
C6H8O7 + Al(NO3)3 = Al2O3 + H2O + N2 + CO2 =>
5 C6H8O7 + 6 Al(NO3)3 = 3 Al2O3 + 20 H2O + 9 N2 + 30 CO2
Zn + KBr2 = ZnBr2 + K =>
Zn + KBr2 = ZnBr2 + K
Ta + HNO3 + HF = H3TaF7 + NO + H2O =>
3 Ta + 4 HNO3 + 21 HF = 3 H3TaF7 + 4 NO + 8 H2O
Ba(OH)2 + Na2SiO3 = BaSiO3 + NaOH =>
Ba(OH)2 + Na2SiO3 = BaSiO3 + 2 NaOH
Na + HCl = H2NaCl2 =>
Na + 2 HCl = H2NaCl2
H2 + Pt + Cl6 + H2O = H2PtCl6*6H2O =>
H2 + Pt + Cl6 + 6 H2O = H2PtCl6*6H2O
V2(SO4)5Cl + Mg = MgCl2 + V2(SO4)5 =>
2 V2(SO4)5Cl + Mg = MgCl2 + 2 V2(SO4)5
H2SO4 + H2O + Ca5(PO4)3F = H3PO4 + HF + CaSO4*2H2O =>
5 H2SO4 + 10 H2O + Ca5(PO4)3F = 3 H3PO4 + HF + 5 CaSO4*2H2O
H2O + N2H4 + SO2 = N2H6SO3 =>
H2O + N2H4 + SO2 = N2H6SO3
KMnO4 + KNO2 + H2SO4 = MnO2 + H2O + KNO3 + K2SO4 =>
2 KMnO4 + 3 KNO2 + H2SO4 = 2 MnO2 + H2O + 3 KNO3 + K2SO4
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
SO2 + H2O + KIO3 = K2SO4 + H2SO4 + I2 =>
5 SO2 + 4 H2O + 2 KIO3 = K2SO4 + 4 H2SO4 + I2
HCHO + Cr2O7{2−} + H{+} = HCOOH + Cr{3+} + H2O =>
5 HCHO + Cr2O7{2−} + 4 H{+} = 5 HCOOH + 2 Cr{3+} + 2 H2O
NH4Br + PbC2H3O2 = PbNH4 + BrC2H3O2 =>
NH4Br + PbC2H3O2 = PbNH4 + BrC2H3O2
FeS2 + O2 + H2O = Fe(OH)3 + H2SO4 =>
4 FeS2 + 15 O2 + 14 H2O = 4 Fe(OH)3 + 8 H2SO4
CH3CH2SCH2CH2Cl + O2 = SO2 + CO2 + Cl2 + H2O =>
4 CH3CH2SCH2CH2Cl + 29 O2 = 4 SO2 + 16 CO2 + 2 Cl2 + 18 H2O
HC2H3O2 + NaHCO3 = H2O + NaCH3COO + CO2 =>
HC2H3O2 + NaHCO3 = H2O + NaCH3COO + CO2
Al + Ni(NO3)2 = Ni + Al2(NO3)2 =>
2 Al + Ni(NO3)2 = Ni + Al2(NO3)2
C3H8O + Na = NaC3H6 + H2O =>
C3H8O + Na = NaC3H6 + H2O
FeCl3 + H2SO4 + KMnO4 = K2SO4 + MnSO4 + Fe2(SO4)3 + Cl2 + H2O =>
10 FeCl3 + 24 H2SO4 + 6 KMnO4 = 3 K2SO4 + 6 MnSO4 + 5 Fe2(SO4)3 + 15 Cl2 + 24 H2O
K2TiO3 + H2O = TiO2*H2O + KOH =>
K2TiO3 + 2 H2O = TiO2*H2O + 2 KOH
Fe + AgCOOH = Fe(COOH)2 + Ag =>
Fe + 2 AgCOOH = Fe(COOH)2 + 2 Ag
Rb + O2 = Rb2O =>
4 Rb + O2 = 2 Rb2O
S2 + P4 = S2P4 =>
S2 + P4 = S2P4
C2H12C6 + O2 = CO2 + H2O =>
C2H12C6 + 11 O2 = 8 CO2 + 6 H2O
C20H40 + Br2 = C20H40Br2 =>
C20H40 + Br2 = C20H40Br2
Br2 + I = BrI =>
Br2 + 2 I = 2 BrI
bariumnitrate + hydrochloricacid = bariumchloride + nitricacid =>
Ba(NO3)2 + 2 HCl = BaCl2 + 2 HNO3
O2 + Cu2S = SO2Cu2O =>
3 O2 + 2 Cu2S = 2 SO2Cu2O
Mg + O2(g) = MgO(g) =>
2 Mg + O2(g) = 2 MgO(g)
Al4C3(s) + F2(g) = AlF3 + CF4(g) =>
Al4C3(s) + 12 F2(g) = 4 AlF3 + 3 CF4(g)
V2O5 + B2O3 + C = VB + CO =>
V2O5 + B2O3 + 8 C = 2 VB + 8 CO
Ta + HNO3 + HF = H3TaF7 + NO + H2O =>
3 Ta + 4 HNO3 + 21 HF = 3 H3TaF7 + 4 NO + 8 H2O
C7H6O2 + H2O = CO2 + H3O =>
C7H6O2 + 42 H2O = 7 CO2 + 30 H3O
Bi2O3 + Al = Al2O3 + Bi =>
Bi2O3 + 2 Al = Al2O3 + 2 Bi
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