| Équations équilibrées la veille |
18 LiNO3 + 10 C2H5NO2 = 9 Li2O + 14 N2 + 20 CO2 + 25 H2O
KMnO4 + NaOH + Na2S2O5 = Na2MnO4 + K2SO4 + H2O =>
4 KMnO4 + 6 NaOH + Na2S2O5 = 4 Na2MnO4 + 2 K2SO4 + 3 H2O
K3PO4(aq) + MnCl2(aq) = Mn3(PO4)2(s) + KCl(aq) =>
2 K3PO4(aq) + 3 MnCl2(aq) = Mn3(PO4)2(s) + 6 KCl(aq)
TiOSO4 + Zn + HCl = ZnCl2 + TiCl3 + H2O + H2SO4 =>
2 TiOSO4 + Zn + 8 HCl = ZnCl2 + 2 TiCl3 + 2 H2O + 2 H2SO4
Cr(OH)3 + OCl{-} + OH{-} = CrO4{2-} + Cl{-} + H2O =>
2 Cr(OH)3 + 3 OCl{-} + 4 OH{-} = 2 CrO4{2-} + 3 Cl{-} + 5 H2O
BeSO4 + Co(OH)2 = Be(OH)2 + CoSO4 =>
BeSO4 + Co(OH)2 = Be(OH)2 + CoSO4
Cr2O7{2-} + Br{-} + H{+} = Br2 + Cr{3} + H2O =>
Cr2O7{2-} + 6 Br{-} + 14 H{+} = 3 Br2 + 2 Cr{3} + 7 H2O
MgSO4(aq) + Ba(NO3)2(aq) = BaSO4 + Mg(NO3)2 =>
MgSO4(aq) + Ba(NO3)2(aq) = BaSO4 + Mg(NO3)2
SiO2(s) = Si(s) + O2(g) =>
SiO2(s) = Si(s) + O2(g)
SO2 + H2 = S + H2O =>
SO2 + 2 H2 = S + 2 H2O
CO2(g) + S(s) = CS2(l) + O2(g) =>
CO2(g) + 2 S(s) = CS2(l) + O2(g)
Ca(NO2)2 + HOH = Ca(OH)2 + HNO2 =>
Ca(NO2)2 + 2 HOH = Ca(OH)2 + 2 HNO2
HOCl + HI = I2 + H2O + Cl2 =>
2 HOCl + 2 HI = I2 + 2 H2O + Cl2
Mn + HNO3(k) = Mn(NO3)2 + NO2 + H2O =>
Mn + 4 HNO3(k) = Mn(NO3)2 + 2 NO2 + 2 H2O
AgO + H = Ag + H2O =>
AgO + 2 H = Ag + H2O
Zn + H2SO4 + KMnO4 = H2O + K2SO4 + MnSO4 + ZnSO4 =>
5 Zn + 8 H2SO4 + 2 KMnO4 = 8 H2O + K2SO4 + 2 MnSO4 + 5 ZnSO4
K2Zn3[Fe(CN)6]2 + NaOH = KOH + Na4[Fe(CN)6] + Na2ZnO2 + H2O =>
K2Zn3[Fe(CN)6]2 + 14 NaOH = 2 KOH + 2 Na4[Fe(CN)6] + 3 Na2ZnO2 + 6 H2O
MgCO3 + HCl = Mg + Cl2 + H2O + CO2 =>
MgCO3 + 2 HCl = Mg + Cl2 + H2O + CO2
F8 + O2 = FO3 =>
F8 + 12 O2 = 8 FO3
NiS + Al = AlS + Ni =>
NiS + Al = AlS + Ni
Zn + N2O6Pb = Zn(NO3)2 + Pb =>
Zn + N2O6Pb = Zn(NO3)2 + Pb
NaBrO3 + HCl = NaCl + HBrO3 =>
NaBrO3 + HCl = NaCl + HBrO3
Zn + SnF4 = ZnF2 + Sn =>
2 Zn + SnF4 = 2 ZnF2 + Sn
NaBrO + Fe(OH)2 + H2O = Fe(OH)3 + NaBr =>
NaBrO + 2 Fe(OH)2 + H2O = 2 Fe(OH)3 + NaBr
Sb + O3 = Sb2O3 =>
2 Sb + O3 = Sb2O3
CrI3 + KOH + Br2 = KIO4 + K2CrO4 + KBr + H2O =>
2 CrI3 + 64 KOH + 27 Br2 = 6 KIO4 + 2 K2CrO4 + 54 KBr + 32 H2O
Pb + (OH)2 = PbO + H2O =>
Pb + (OH)2 = PbO + H2O
Na2SO4(aq) + KI(aq) = Na2I(aq) + KSO4(aq) =>
Na2SO4(aq) + KI(aq) = Na2I(aq) + KSO4(aq)
HBr + MgOH = MgBr + HOH =>
HBr + MgOH = MgBr + HOH
(CaOH)3PO4 + H3PO4 = Ca3(PO4)2 + H2O =>
(CaOH)3PO4 + H3PO4 = Ca3(PO4)2 + 3 H2O
NH4C2H3O2 + Ag = AgC2H3O2 + NH4 =>
NH4C2H3O2 + Ag = AgC2H3O2 + NH4
XCa(OH)2 + HNO3 = XCa(NO3)2 + H2O =>
XCa(OH)2 + 2 HNO3 = XCa(NO3)2 + 2 H2O
HS + Cl = HCl + S2 =>
2 HS + 2 Cl = 2 HCl + S2
NaNO3 + CH3COOH + KI = NaCH3COO + KNO3 + HI =>
NaNO3 + CH3COOH + KI = NaCH3COO + KNO3 + HI
KOH + H2C2O4 = K2C2O4*H2O + H2O =>
2 KOH + H2C2O4 = K2C2O4*H2O + H2O
BeCl2 + SnO2 = BeO2 + SnCl2 =>
BeCl2 + SnO2 = BeO2 + SnCl2
CuSO4 + HI = Cu2I2 + H2SO4 + I2 =>
2 CuSO4 + 4 HI = Cu2I2 + 2 H2SO4 + I2
Pt + Au(NO3)3 = PtNO3 + Au =>
3 Pt + Au(NO3)3 = 3 PtNO3 + Au
Pb(NO3)2 + CuSO3 = Cu(NO3)2 + PbSO3 =>
Pb(NO3)2 + CuSO3 = Cu(NO3)2 + PbSO3
Zn(NO3)2 + K2CrO4 = ZnCrO4 + KNO3 =>
Zn(NO3)2 + K2CrO4 = ZnCrO4 + 2 KNO3
CrO4{-2} + S{-2} + H2O = CrO2{-} + S + OH{-} =>
2 CrO4{-2} + 3 S{-2} + 4 H2O = 2 CrO2{-} + 3 S + 8 OH{-}
NaNO3 + KC2H3O2 = NaC2H3O2 + KNO3 =>
NaNO3 + KC2H3O2 = NaC2H3O2 + KNO3
ZnCO3 + HCl(aq) = ZnCl2(aq) + H2CO3(aq) =>
ZnCO3 + 2 HCl(aq) = ZnCl2(aq) + H2CO3(aq)
Mn + HNO3(k) = Mn(NO3)2 + NO2 + H2O =>
Mn + 4 HNO3(k) = Mn(NO3)2 + 2 NO2 + 2 H2O
SnCl2 + Cl2 + KOH = K2[Sn(OH)6] + KCl =>
SnCl2 + Cl2 + 6 KOH = K2[Sn(OH)6] + 4 KCl
H2SnO3 = H + SnO3 =>
H2SnO3 = 2 H + SnO3
Mn + HNO3(k) = Mn(NO3)2 + NO2 + H2O =>
Mn + 4 HNO3(k) = Mn(NO3)2 + 2 NO2 + 2 H2O
KNO2 + NaBiO3 + H2SO4 = Bi2(SO4)3 + KNO3 + Na2SO4 + H2O =>
2 KNO2 + 2 NaBiO3 + 4 H2SO4 = Bi2(SO4)3 + 2 KNO3 + Na2SO4 + 4 H2O
KBrO3 + NH3 = KBr + N2 + H2O =>
KBrO3 + 2 NH3 = KBr + N2 + 3 H2O
NaHCO3 + HCN = NaCN + H2CO3 =>
NaHCO3 + HCN = NaCN + H2CO3
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