| Équations équilibrées la veille |
Na2 + SO4Ca = Ca + SO4Na2
AlC + H2O = Al(OH)3 + CH3 =>
AlC + 3 H2O = Al(OH)3 + CH3
KF + H2SO4 = HF + K2SO4 =>
2 KF + H2SO4 = 2 HF + K2SO4
HClO2 + Cu2 = Cu(ClO2)2 + H =>
4 HClO2 + Cu2 = 2 Cu(ClO2)2 + 4 H
H2(g) + Br2(g) = HBr(g) =>
H2(g) + Br2(g) = 2 HBr(g)
CsI = Cs + I =>
CsI = Cs + I
Cr2O3 + Ca = CaO + Cr =>
Cr2O3 + 3 Ca = 3 CaO + 2 Cr
Ag2S + O2 = Ag2O + SO2 =>
2 Ag2S + 3 O2 = 2 Ag2O + 2 SO2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
BaNO3 + AgSO4 = BaSO4 + AgNO3 =>
BaNO3 + AgSO4 = BaSO4 + AgNO3
NaCl(l) + KBr(l) = KCl(l) + NaBr(l) =>
NaCl(l) + KBr(l) = KCl(l) + NaBr(l)
Hg(NO3)2 + C2H5OH = Hg(ONC)2 + H2O + CO2 =>
3 Hg(NO3)2 + 4 C2H5OH = 3 Hg(ONC)2 + 12 H2O + 2 CO2
CoCl3 + F = CoF3 + Cl2 =>
2 CoCl3 + 6 F = 2 CoF3 + 3 Cl2
Zn3 + HCl = Zn3Cl + H =>
Zn3 + HCl = Zn3Cl + H
K2Cr2O7 + Na2CO3 = K2CO3 + Na2Cr2O7 =>
K2Cr2O7 + Na2CO3 = K2CO3 + Na2Cr2O7
B2(C2O4)3 + NaCl = Na2C2O4 + BCl3 =>
B2(C2O4)3 + 6 NaCl = 3 Na2C2O4 + 2 BCl3
K2C2O4 + H2O = K{+} + H2C2O4 + OH{-} =>
K2C2O4 + 2 H2O = 2 K{+} + H2C2O4 + 2 OH{-}
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
H3PO4 + Sr(OH)2 = SrHPO4 + H2O =>
H3PO4 + Sr(OH)2 = SrHPO4 + 2 H2O
N2O + S = SO2 + N =>
2 N2O + S = SO2 + 4 N
AlCl3 + Pb = Al + PbCl3 =>
AlCl3 + Pb = Al + PbCl3
SnO + H2O = SnO2 + H2 =>
SnO + H2O = SnO2 + H2
V(OH)3 + H2MoO4 = V(HMoO4)3 + H2O =>
V(OH)3 + 3 H2MoO4 = V(HMoO4)3 + 3 H2O
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Mg + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg + 2 H3PO4 = Mg3(PO4)2 + 3 H2
I2 + F2 = IF3 =>
I2 + 3 F2 = 2 IF3
CuCl2 + Na2SO3 + H2O = CuCl + Na2SO4 + HCl =>
2 CuCl2 + Na2SO3 + H2O = 2 CuCl + Na2SO4 + 2 HCl
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
AlBr3 + Na2S + H2O = Al(OH)3 + NaBr + H2S =>
2 AlBr3 + 3 Na2S + 6 H2O = 2 Al(OH)3 + 6 NaBr + 3 H2S
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H4SiO4 + KOH = K4SiO4 + H2O =>
H4SiO4 + 4 KOH = K4SiO4 + 4 H2O
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
KClO3 + S + H2O = Cl2 + K2SO4 + H2SO4 =>
6 KClO3 + 5 S + 2 H2O = 3 Cl2 + 3 K2SO4 + 2 H2SO4
(NH4)2CO3 = NH3 + H2O + CO2 =>
(NH4)2CO3 = 2 NH3 + H2O + CO2
C2H4O2 + Na(CO3)2 = H2O + NaC2H4O2 + CO2 =>
3 C2H4O2 + 2 Na(CO3)2 = 2 H2O + 2 NaC2H4O2 + 6 CO2
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
HC9H7O4 + NaHCO3 = H2O + CO2 + NaC9H7O4 =>
HC9H7O4 + NaHCO3 = H2O + CO2 + NaC9H7O4
Ag2O + Cu = Ag2Cu + O2 =>
2 Ag2O + 2 Cu = 2 Ag2Cu + O2
GaF3 + Cs = CsF + Ga =>
GaF3 + 3 Cs = 3 CsF + Ga
C3H6O3 + O2 = CO2 + H2O =>
C3H6O3 + 3 O2 = 3 CO2 + 3 H2O
Fe(s) + Cu3(PO4)2(aq) = FePO4(s) + Cu(s) =>
2 Fe(s) + Cu3(PO4)2(aq) = 2 FePO4(s) + 3 Cu(s)
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
NaHCO3(ag) + CH3COOH(ag) = CO2(g) + H2O(i) + CH3COONa(ag) =>
NaHCO3(ag) + CH3COOH(ag) = CO2(g) + H2O(i) + CH3COONa(ag)
NH4SCN + FeCl3 = NH3 + HCl + Fe(SCN)3 =>
3 NH4SCN + FeCl3 = 3 NH3 + 3 HCl + Fe(SCN)3
K2CO3 + HNO3 = KNO3 + H2CO3 =>
K2CO3 + 2 HNO3 = 2 KNO3 + H2CO3
Cu + CO3 + H2O = Cu2(OH)2CO3 + CO2 =>
2 Cu + 2 CO3 + H2O = Cu2(OH)2CO3 + CO2
MnCl2(aq) + KCN(aq) = KCl(aq) + Mn(CN)2(aq) =>
MnCl2(aq) + 2 KCN(aq) = 2 KCl(aq) + Mn(CN)2(aq)
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
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