| Équations équilibrées la veille |
C2H3O2 = 2 C + 3 H + 2 O
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
Fe(OH)2 + NO2 = Fe2O3 + H2O + NO =>
2 Fe(OH)2 + NO2 = Fe2O3 + 2 H2O + NO
Hg2I2 = Hg2 + I2 =>
Hg2I2 = Hg2 + I2
H2SIO3 = H2OSIO2 =>
H2SIO3 = H2OSIO2
(Fe(NO3)3)2 + (KSCN) = Fe(SCN)3 + KNO3 =>
(Fe(NO3)3)2 + 6(KSCN) = 2 Fe(SCN)3 + 6 KNO3
CaC4H6O4 + K3PO4 = KC2H3O2 + Ca3(PO4)2 =>
3 CaC4H6O4 + 2 K3PO4 = 6 KC2H3O2 + Ca3(PO4)2
C3H4 + HBr = C3H5Br =>
C3H4 + HBr = C3H5Br
C3H6O(l) + O2(g) = CO2(g) + H2O(g) =>
C3H6O(l) + 4 O2(g) = 3 CO2(g) + 3 H2O(g)
NaBr(aq) + Cl2(g) = Br2(l) + NaCl(aq) =>
2 NaBr(aq) + Cl2(g) = Br2(l) + 2 NaCl(aq)
SiO2 + F2 = SiF4 + O2 =>
SiO2 + 2 F2 = SiF4 + O2
NiCl2 + KCN + H2O = K3[Ni(CN)6] + KCl + KOH + H2 =>
2 NiCl2 + 12 KCN + 2 H2O = 2 K3[Ni(CN)6] + 4 KCl + 2 KOH + H2
BaO + CO = Ba + CO2 =>
BaO + CO = Ba + CO2
Mg(s) + Cr(NO3)3(ag) = Mg(NO3)2(ag) + Cr(s) =>
3 Mg(s) + 2 Cr(NO3)3(ag) = 3 Mg(NO3)2(ag) + 2 Cr(s)
CO2(CO3)3 = CO2O3 + CO2 =>
CO2(CO3)3 = CO2O3 + 3 CO2
HCl + H2SO4 = HClSO4 + H2 =>
HCl + H2SO4 = HClSO4 + H2
NaOH + C7H12O7 + O2 = NaC6H11O7 + H2O =>
14 NaOH + 12 C7H12O7 + O2 = 14 NaC6H11O7 + 2 H2O
Zn3N2 = Zn + N2 =>
Zn3N2 = 3 Zn + N2
C7H12 + MnO4{-} + H{+} = C7H11O4 + Mn{+2} + H2O =>
5 C7H12 + 9 MnO4{-} + 27 H{+} = 5 C7H11O4 + 9 Mn{+2} + 16 H2O
K2S + HCl = KCl + KSH =>
K2S + HCl = KCl + KSH
NaBH4(s) + HCl(aq) + H2O(l) = NaCl(aq) + HBO3(aq) + H2(g) =>
NaBH4(s) + HCl(aq) + 3 H2O(l) = NaCl(aq) + HBO3(aq) + 5 H2(g)
NHO3 + NH3 = NH4 + NO3 =>
NHO3 + NH3 = NH4 + NO3
Fe3Br6 = FeBr2 =>
Fe3Br6 = 3 FeBr2
Cl2 + CrO4 = ClO3 + Cr =>
2 Cl2 + 3 CrO4 = 4 ClO3 + 3 Cr
CaO + B2O3 = Ca3(BO3)2 =>
3 CaO + B2O3 = Ca3(BO3)2
copper(ii)oxide + ammonia = copper + water + nitrogen =>
3 CuO + 2 NH3 = 3 Cu + 3 H2O + N2
Na(s) + O2(g) = NaO2(aq) =>
Na(s) + O2(g) = NaO2(aq)
O2N + H2O = O3NH + ON =>
3 O2N + H2O = 2 O3NH + ON
KBrOH2S = KBrH2OS =>
KBrOH2S = KBrH2OS
H{+} + SO3{2-} + MnO4{-} = SO4{2-} + MnO2 + H2O =>
2 H{+} + 3 SO3{2-} + 2 MnO4{-} = 3 SO4{2-} + 2 MnO2 + H2O
AlO3 + C2 = Al + CO2 =>
4 AlO3 + 3 C2 = 4 Al + 6 CO2
SiO2(s) + CaCO3(s) = CaSiO3 + CO2(g) =>
SiO2(s) + CaCO3(s) = CaSiO3 + CO2(g)
AgNO3 + Al = Al(NO3)3 + Ag2 =>
6 AgNO3 + 2 Al = 2 Al(NO3)3 + 3 Ag2
As2O3 + KOH + CuSO4 + CH3COOH = Cu2(AsO3)(CH3COO) + K2SO4 + H2O =>
As2O3 + 8 KOH + 4 CuSO4 + 2 CH3COOH = 2 Cu2(AsO3)(CH3COO) + 4 K2SO4 + 5 H2O
MnSO4*H2O = MnSO4 + H2O =>
MnSO4*H2O = MnSO4 + H2O
Rb + H2O = Rb2O + H2 =>
2 Rb + H2O = Rb2O + H2
MgI2 + Al2O3 = MgO + AlI3 =>
3 MgI2 + Al2O3 = 3 MgO + 2 AlI3
Cr + KOH + H2O = K3[Cr(OH)6] + H2 =>
2 Cr + 6 KOH + 6 H2O = 2 K3[Cr(OH)6] + 3 H2
AgOH + H2O = AgO + H3O =>
AgOH + H2O = AgO + H3O
BaCO3 + HNO3 = Ba(NO3)2 + CO2 + H2O =>
BaCO3 + 2 HNO3 = Ba(NO3)2 + CO2 + H2O
K2CO3 + SnCl4 = SnCO3 + K2Cl4 =>
K2CO3 + SnCl4 = SnCO3 + K2Cl4
MnO4{-} + Sn{+2} + H3O{+} = Mn{+2} + H2O + Sn{+4} =>
2 MnO4{-} + 5 Sn{+2} + 16 H3O{+} = 2 Mn{+2} + 24 H2O + 5 Sn{+4}
MnSO4 + (NH4)2S2O8 + KOH = MnO2 + K2SO4 + NH4OH + H2O =>
MnSO4 + (NH4)2S2O8 + 6 KOH = MnO2 + 3 K2SO4 + 2 NH4OH + 2 H2O
Fe2(SO4)3 + K2S = FeS + S + K2SO4 =>
Fe2(SO4)3 + 3 K2S = 2 FeS + S + 3 K2SO4
H2SiF6 + NaOH = NaF + SiO2 + H2O =>
H2SiF6 + 6 NaOH = 6 NaF + SiO2 + 4 H2O
CHCOOH + Mg = Mg(CHCOO) + H2 =>
2 CHCOOH + 2 Mg = 2 Mg(CHCOO) + H2
CuCO3 = CuO + CO2CuCO3 = CuO + CO2 =>
2 CuCO3 = CuO + CO2CuCO3
Na2SO4 + Fe(NO3)3 = NaNO3 + Fe2(SO4)3 = =>
3 Na2SO4 + 2 Fe(NO3)3 = 6 NaNO3 + Fe2(SO4)3
Na2SO4 + BaCl2 = BaSO4 + NaCl =>
Na2SO4 + BaCl2 = BaSO4 + 2 NaCl
HCOH + H2O = CH3OH + O2 =>
2 HCOH + 2 H2O = 2 CH3OH + O2
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