| Équations équilibrées la veille |
Sn = Sn{4+} + 4e
Fe + Cu{+2}SO{-2}4 = Fe{+2}SO{-2}4 + Cu =>
Fe + Cu{+2}SO{-2}4 = Fe{+2}SO{-2}4 + Cu
SnBr2 + Cr = CrBr3 + Sn =>
3 SnBr2 + 2 Cr = 2 CrBr3 + 3 Sn
H + Cl = HCl =>
H + Cl = HCl
Sn100(NO3)400 + Zn100(NO3)200 + Eu100(NO3)300 + C100O100(NH2)200 = Sn100Zn100O300Eu + N200 + C100O200 + H200 =>
200 Sn100(NO3)400 + 200 Zn100(NO3)200 + 2 Eu100(NO3)300 + 3018 C100O100(NH2)200 = 200 Sn100Zn100O300Eu + 3621 N200 + 3018 C100O200 + 6036 H200
Pb + Cu(NO3)2 = Pb(NO3)2 + Cu =>
Pb + Cu(NO3)2 = Pb(NO3)2 + Cu
SnCl2 + K2Cr2O7 + H2SO4 = Sn(SO4)2 + SnCl4 + Cr2(SO4)3 + K2SO4 + H2O =>
6 SnCl2 + 2 K2Cr2O7 + 14 H2SO4 = 3 Sn(SO4)2 + 3 SnCl4 + 2 Cr2(SO4)3 + 2 K2SO4 + 14 H2O
SnCl2 + K2Cr2O7 + H2SO4 = SnSO4 + SnCl4 + Cr2(SO4)3 + K2SO4 + H2O =>
6 SnCl2 + K2Cr2O7 + 7 H2SO4 = 3 SnSO4 + 3 SnCl4 + Cr2(SO4)3 + K2SO4 + 7 H2O
KI + Cl = KCl + I =>
KI + Cl = KCl + I
SnCl4 + Fe = SnCl2 + FeCl2 =>
SnCl4 + Fe = SnCl2 + FeCl2
C2H4O(g) + O2 = CO2 + H2O =>
2 C2H4O(g) + 5 O2 = 4 CO2 + 4 H2O
SnCl4 + H2O = SnO2 + HCl =>
SnCl4 + 2 H2O = SnO2 + 4 HCl
Pb{2+}(aq) + S{2-}(aq) = PbS(s) =>
Pb{2+}(aq) + S{2-}(aq) = PbS(s)
SnO + H2SO4 = SnSO4 + H2O =>
SnO + H2SO4 = SnSO4 + H2O
SnO + KOH = K2SnO2 + H2O =>
SnO + 2 KOH = K2SnO2 + H2O
HCl + CaCO3 = CO2 + CaCl2 + H2O =>
2 HCl + CaCO3 = CO2 + CaCl2 + H2O
SnS2(s) + O2(g) = SnO2(s) + SO2(g) =>
SnS2(s) + 3 O2(g) = SnO2(s) + 2 SO2(g)
Sr(ClO3)2 = Sr + ClO3 =>
Sr(ClO3)2 = Sr + 2 ClO3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CoCl2 + NH4SCN = Co(SCN)2 + NH3 + HCl =>
CoCl2 + 2 NH4SCN = Co(SCN)2 + 2 NH3 + 2 HCl
Sr(NO3)2(aq) + Na2CO3(aq) = SrCO3 + NaNO3 =>
Sr(NO3)2(aq) + Na2CO3(aq) = SrCO3 + 2 NaNO3
C2O4H2 = CO2 + CO + H2O =>
C2O4H2 = CO2 + CO + H2O
Sr(NO3)2 + Fe(NO3)3*9H2O + C6H8O7 = SrFe12O19 + N2 + H2O + CO2 =>
9 Sr(NO3)2 + 108 Fe(NO3)3*9H2O + 95.000000000001C6H8O7 = 9.0000000000001SrFe12O19 + 171 N2 + 1352 H2O + 570.00000000001CO2
Sr(NO3)2 + Fe(NO3)3*9H2O + C6H8O7 = SrFe12O19 + NO2 + CO2 + H2O =>
9 Sr(NO3)2 + 108 Fe(NO3)3*9H2O + 19 C6H8O7 = 9 SrFe12O19 + 342 NO2 + 114 CO2 + 1048 H2O
I2 + SO2 + H2O = HI + H2SO4 =>
I2 + SO2 + 2 H2O = 2 HI + H2SO4
Sr(OH)2(aq) + H2CO3(aq) = SrCO3 + H2O =>
Sr(OH)2(aq) + H2CO3(aq) = SrCO3 + 2 H2O
Sr + H2SO4 = SrSO4 + H =>
Sr + H2SO4 = SrSO4 + 2 H
Te + HNO3 = HTeO4 + NO2 + H2O =>
Te + 7 HNO3 = HTeO4 + 7 NO2 + 3 H2O
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
SrC2O4 = Sr + C2O4 =>
SrC2O4 = Sr + C2O4
SrCO3 = Sr + CO3 =>
SrCO3 = Sr + CO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
FeCl2 + AgNO3 = AgCl + Fe(NO3)2 =>
FeCl2 + 2 AgNO3 = 2 AgCl + Fe(NO3)2
SrO2 = Sr + O2 =>
SrO2 = Sr + O2
BaCO3 + HNO3 = Ba(NO3)2CO2 + H2O =>
BaCO3 + 2 HNO3 = Ba(NO3)2CO2 + H2O
SrSO4 + H2O = SrO + H2SO4 =>
SrSO4 + H2O = SrO + H2SO4
Ta + HF + HNO3 = H2TaF7 + NO + H2O =>
3 Ta + 21 HF + 5 HNO3 = 3 H2TaF7 + 5 NO + 10 H2O
P + CuSO4 + H2O = Cu + H3PO4 + H2S04 =>
34 P + 20 CuSO4 + 56 H2O = 20 Cu + 34 H3PO4 + 5 H2S04
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
K + F = KF =>
K + F = KF
Ta + HF + HNO3 = H3TaF8 + NO2 + H2O =>
Ta + 8 HF + 5 HNO3 = H3TaF8 + 5 NO2 + 5 H2O
Ta + HNO3 + HF = H3[TaF7] + NO + H2O =>
3 Ta + 4 HNO3 + 21 HF = 3 H3[TaF7] + 4 NO + 8 H2O
Cu(OH)2 + NH3 = Cu3N + N2 + H2O =>
6 Cu(OH)2 + 4 NH3 = 2 Cu3N + N2 + 12 H2O
Ta + HNO3 + HF = H3[TaF8] + NO2 + H2O =>
Ta + 5 HNO3 + 8 HF = H3[TaF8] + 5 NO2 + 5 H2O
K2SiO3 + HF = KF + Si2F8 + H2O =>
2 K2SiO3 + 12 HF = 4 KF + Si2F8 + 6 H2O
Te + H2O = TeO + H2 =>
Te + H2O = TeO + H2
(NH4)2PtCl6 = N2 + NH3 + HCl + Pt =>
3(NH4)2PtCl6 = 2 N2 + 2 NH3 + 18 HCl + 3 Pt
CuSO4 + HNO3 = Cu(NO3)2 + H2SO4 = =>
CuSO4 + 2 HNO3 = Cu(NO3)2 + H2SO4
Cl2O7 + Ba(OH)2 = Ba(ClO4)2 + H2O =>
Cl2O7 + Ba(OH)2 = Ba(ClO4)2 + H2O
Te + HClO3 + H2O = H6TeO6 + HCl =>
Te + HClO3 + 3 H2O = H6TeO6 + HCl
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