Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb{2+} + S{2-} = PbS
FeI3 + NO3 = Fe(NO3)3 + I2 =>
2 FeI3 + 6 NO3 = 2 Fe(NO3)3 + 3 I2
Ag + K2Cr2O7 + H2SO4 = Ag2SO4 + K2SO4 + Cr2(SO4)3 + H2O =>
6 Ag + K2Cr2O7 + 7 H2SO4 = 3 Ag2SO4 + K2SO4 + Cr2(SO4)3 + 7 H2O
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
Cr2O7{2-} + I{-} + H{+} = Cr{3+} + I2 + H2O =>
Cr2O7{2-} + 6 I{-} + 14 H{+} = 2 Cr{3+} + 3 I2 + 7 H2O
H3PO4 + Ba(OH)2 = Ba3(PO4)2 + H2O =>
2 H3PO4 + 3 Ba(OH)2 = Ba3(PO4)2 + 6 H2O
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Hg + S = HgS =>
Hg + S = HgS
Zn + H3PO4 = Zn3(PO4)2 + H2 = =>
3 Zn + 2 H3PO4 = Zn3(PO4)2 + 3 H2
BaCl2 + K4C = Ba2C + KCl =>
2 BaCl2 + K4C = Ba2C + 4 KCl
PbO + CH3COOH = PbCH2COO + H2O =>
PbO + CH3COOH = PbCH2COO + H2O
KClO + H12 = KCl + H2O =>
6 KClO + H12 = 6 KCl + 6 H2O
Sr(NO3)2 + H2SO4 = SrSO4 + HNO3 =>
Sr(NO3)2 + H2SO4 = SrSO4 + 2 HNO3
C3H7NO2 = C + NH3 + H2O =>
C3H7NO2 = 3 C + NH3 + 2 H2O
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
Al + H3PO3 = H3 + AlPO3 =>
Al + H3PO3 = H3 + AlPO3
ZnBr2Cu(OH)2 = Zn(OH)2CuBr2 =>
ZnBr2Cu(OH)2 = Zn(OH)2CuBr2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
NH4I + NaOH = NaI + NH3 + H2O =>
NH4I + NaOH = NaI + NH3 + H2O
TaCl4 + NaOH = Na3TaO4 + NaCl + H2 + O2 =>
2 TaCl4 + 14 NaOH = 2 Na3TaO4 + 8 NaCl + 7 H2 + 3 O2
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
C3H6O2 + H2O = CH3COOH + CH3OH =>
C3H6O2 + H2O = CH3COOH + CH3OH
CH2(g) + O2(g) = CO2(g) + H20(l) =>
10 CH2(g) + 10 O2(g) = 10 CO2(g) + H20(l)
KIO2 + CuSO4 = KSO4 + CuIO2 =>
KIO2 + CuSO4 = KSO4 + CuIO2
Sr(NO3)2(aq) + KIO3(aq) = Sr(IO3)2(s) + KNO3(aq) =>
Sr(NO3)2(aq) + 2 KIO3(aq) = Sr(IO3)2(s) + 2 KNO3(aq)
I2(aq) + H2(s) = HI(aq) =>
I2(aq) + H2(s) = 2 HI(aq)
Ag + Zn(SO4)2 = AgSO4 + Zn =>
2 Ag + Zn(SO4)2 = 2 AgSO4 + Zn
H + N = NH3 =>
3 H + N = NH3
Nd2O3 + HCl = NdCl3 + H2O =>
Nd2O3 + 6 HCl = 2 NdCl3 + 3 H2O
KOH + CoCl2 = Co(OH)2 + KCl =>
2 KOH + CoCl2 = Co(OH)2 + 2 KCl
SO2 + H2 = H2S + H2O =>
SO2 + 3 H2 = H2S + 2 H2O
H2(g) + Fe2O3(s) = Fe(s) + H2O(l) =>
3 H2(g) + Fe2O3(s) = 2 Fe(s) + 3 H2O(l)
Ba(OH)2(s) = BaO(s) + H2O(g) =>
Ba(OH)2(s) = BaO(s) + H2O(g)
Br2 + H2O + AgNO3 = HNO3 + AgBr + AgBrO3 =>
3 Br2 + 3 H2O + 6 AgNO3 = 6 HNO3 + 5 AgBr + AgBrO3
NH4Cl + Co2(SO4)2 = (NH4)2SO4 + CoCl2 =>
4 NH4Cl + Co2(SO4)2 = 2(NH4)2SO4 + 2 CoCl2
KBr + Cl2 + H2O = KBrO2 + HCl =>
KBr + 2 Cl2 + 2 H2O = KBrO2 + 4 HCl
Nd2O3 + HCl = NdCl3 + H2O =>
Nd2O3 + 6 HCl = 2 NdCl3 + 3 H2O
PbSH2O2 = PbH2SO2 =>
PbSH2O2 = PbH2SO2
MgO + Cl2 = MgCl2 + Cl2O =>
MgO + 2 Cl2 = MgCl2 + Cl2O
NaOH + Cl2 = NaCl + H2O2 =>
2 NaOH + Cl2 = 2 NaCl + H2O2
Rb20 + O2 = Rb2O =>
Rb20 + 5 O2 = 10 Rb2O
ZnCe2 + KOH = Zn(OH)2 + KCe =>
ZnCe2 + 2 KOH = Zn(OH)2 + 2 KCe
Nd2O3 + HCl = NdCl3 + H2O =>
Nd2O3 + 6 HCl = 2 NdCl3 + 3 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
KNO3 + H2SO4 = H2NO3 + SO4K =>
KNO3 + H2SO4 = H2NO3 + SO4K
Al(OH)3 + CO = Al + CO2 + H2O =>
2 Al(OH)3 + 3 CO = 2 Al + 3 CO2 + 3 H2O
CaCl2 = Ca + Cl2 =>
CaCl2 = Ca + Cl2
C3Hg + O2 = HgO + CO2 =>
2 C3Hg + 7 O2 = 2 HgO + 6 CO2
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