| Équations équilibrées la veille |
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
Sr(OH)2 + NO2 = Sr(NO3)2 + Sr(NO2)2 + H2O =>
2 Sr(OH)2 + 4 NO2 = Sr(NO3)2 + Sr(NO2)2 + 2 H2O
Ni3(PO4)2 + KNO3 = Ni(NO3)2 + K3PO4 =>
Ni3(PO4)2 + 6 KNO3 = 3 Ni(NO3)2 + 2 K3PO4
Mn + Al2(SO4)3 = Mn3Al + SO4 =>
6 Mn + Al2(SO4)3 = 2 Mn3Al + 3 SO4
C3H8O + K2Cr2O7 + H2SO4 = H2O + K2SO4 + CrSO4 + C3H6O =>
4 C3H8O + K2Cr2O7 + 3 H2SO4 = 7 H2O + K2SO4 + 2 CrSO4 + 4 C3H6O
C + O = CO2 =>
C + 2 O = CO2
K2HPO4 = K4P2O7 + H2O =>
2 K2HPO4 = K4P2O7 + H2O
B + H2O = B2O3 + H2 =>
2 B + 3 H2O = B2O3 + 3 H2
NH4ClO4(s) + Al(s) = NO(g) + Al2O3(s) + H2O(g) + AlCl3(g) =>
3 NH4ClO4(s) + 3 Al(s) = 3 NO(g) + Al2O3(s) + 6 H2O(g) + AlCl3(g)
H2PO4{-} + NaOH = Na2PO4{-} + H2O =>
H2PO4{-} + 2 NaOH = Na2PO4{-} + 2 H2O
CaF2 + Br2 = CaBr2 + F =>
CaF2 + Br2 = CaBr2 + 2 F
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
FeCl3 + NaOH = Fe(OH)3 + NaCl(l) =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl(l)
Fe3C + HCl = C2H6 + H2 + FeCl2 =>
2 Fe3C + 12 HCl = C2H6 + 3 H2 + 6 FeCl2
C6H4(OH)CO2H + (CH3CO)2O = C6H4(OCOCH3)CO2H =>
11 C6H4(OH)CO2H + (CH3CO)2O = 9 C6H4(OCOCH3)CO2H
Co(NO3)2 + KOH = Co(OH)2 + K(NO3) =>
Co(NO3)2 + 2 KOH = Co(OH)2 + 2 K(NO3)
LiHCO3 + H2SO4 = Li2SO4 + H2O + CO2 =>
2 LiHCO3 + H2SO4 = Li2SO4 + 2 H2O + 2 CO2
HgO*HgCO3 + HCl = HgCl2 + H2O + CO2 =>
HgO*HgCO3 + 4 HCl = 2 HgCl2 + 2 H2O + CO2
K2S + AgNO3 = AgS + K2NO3 =>
K2S + AgNO3 = AgS + K2NO3
(K)2CrO4 + Ba(NO3)2 = KNO3 + BaCrO4 =>
(K)2CrO4 + Ba(NO3)2 = 2 KNO3 + BaCrO4
CuNO3 + KOH = KNO3 + CuOH =>
CuNO3 + KOH = KNO3 + CuOH
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Cu(CH3COO)3 + NH3 = CH3COO + NH3Cu =>
Cu(CH3COO)3 + NH3 = 3 CH3COO + NH3Cu
HgO*HgCO3 + HCl = HgCl2 + H2O + CO2 =>
HgO*HgCO3 + 4 HCl = 2 HgCl2 + 2 H2O + CO2
PbNO3 + Ag = Pb(s) + AgNO3(aq) =>
PbNO3 + Ag = Pb(s) + AgNO3(aq)
MnO2 + KCl + HNO3 = Mn(NO3)2 + Cl2 + KNO3 + H2O =>
MnO2 + 2 KCl + 4 HNO3 = Mn(NO3)2 + Cl2 + 2 KNO3 + 2 H2O
NaNO2 + Na2SO4 = Na2NO2 + SO4Na =>
NaNO2 + Na2SO4 = Na2NO2 + SO4Na
Ga + N2 = GaN2 =>
Ga + N2 = GaN2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
HNO3 + H = N2O + H2O =>
2 HNO3 + 8 H = N2O + 5 H2O
CH3CH2CH2OH + KMnO4 = CH3CH2CO2H + H2O + MnO2 + KOH =>
3 CH3CH2CH2OH + 4 KMnO4 = 3 CH3CH2CO2H + H2O + 4 MnO2 + 4 KOH
H2SO4 = H2O + SO3 =>
H2SO4 = H2O + SO3
Fe + Pt{2+} = Fe{3+} + Pt =>
2 Fe + 3 Pt{2+} = 2 Fe{3+} + 3 Pt
C4H10 + Cl2 = C4H8Cl2 + HCl =>
C4H10 + 2 Cl2 = C4H8Cl2 + 2 HCl
Cr2(SO4)3 + Na2SO3 + H2O = Cr(OH)3 + H2SO3 + Na2SO4 =>
Cr2(SO4)3 + 3 Na2SO3 + 6 H2O = 2 Cr(OH)3 + 3 H2SO3 + 3 Na2SO4
C6H10 + H2SO4 = C6H5CHO + H2O + SO2 =>
7 C6H10 + 23 H2SO4 = 6 C6H5CHO + 40 H2O + 23 SO2
Ba(OH)2 + J2 = Ba(JO3)2 + BaJ2 + H2O =>
6 Ba(OH)2 + 6 J2 = Ba(JO3)2 + 5 BaJ2 + 6 H2O
Co(HSO4)2 + Co(OH)2 = CoSO4 + H2O =>
Co(HSO4)2 + Co(OH)2 = 2 CoSO4 + 2 H2O
Cu + H2O = CuO + H2 =>
Cu + H2O = CuO + H2
KNO3 + Na2SO4 = NaNO3 + K2SO4 =>
2 KNO3 + Na2SO4 = 2 NaNO3 + K2SO4
Cu(NO3) + Ag = Cu + Ag(NO3)3 =>
3 Cu(NO3) + Ag = 3 Cu + Ag(NO3)3
Au + KCN + O2 + H2O = KAu(CN)2 + KOH =>
4 Au + 8 KCN + O2 + 2 H2O = 4 KAu(CN)2 + 4 KOH
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
S + F = SF6 =>
S + 6 F = SF6
NaHCO3(s) + HCl(aq) = NaCl(aq) + H2CO3(l) =>
NaHCO3(s) + HCl(aq) = NaCl(aq) + H2CO3(l)
CoCl2 + (NH4)2[Hg(SCN)4] = Co[Hg(SCN)4] + NH4Cl =>
CoCl2 + (NH4)2[Hg(SCN)4] = Co[Hg(SCN)4] + 2 NH4Cl
NaNO3 + S = SO2 + Na2O + NO =>
4 NaNO3 + 3 S = 3 SO2 + 2 Na2O + 4 NO
Zn(s) + H2O(l) = Zn(OH)2 + H2 =>
Zn(s) + 2 H2O(l) = Zn(OH)2 + H2
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