| Équations équilibrées la veille |
Zn + Ba(Br) = ZnBr + Ba
SH2 + O2 = H2O + SO2 =>
2 SH2 + 3 O2 = 2 H2O + 2 SO2
Au + AgNO3 = Au(NO3)3 + Ag =>
Au + 3 AgNO3 = Au(NO3)3 + 3 Ag
C899H99 + O99 = CO99 + H99O =>
99 C899H99 + 89002 O99 = 89001 CO99 + 99 H99O
Fe2(SO4)3 + KSCN = [Fe(SCN)2]2SO4 + K2SO4 =>
Fe2(SO4)3 + 4 KSCN = [Fe(SCN)2]2SO4 + 2 K2SO4
AgNO3 + K2CrO4 = KNO3 + Ag2CrO4 =>
2 AgNO3 + K2CrO4 = 2 KNO3 + Ag2CrO4
Na2B4O7 + H2O + BaCl2 = Ba(BO2)2 + NaCl + H3BO3 =>
Na2B4O7 + 3 H2O + BaCl2 = Ba(BO2)2 + 2 NaCl + 2 H3BO3
CH3CH2CH(OH)CH3 + KMnO4 + H2SO4 = CH3CH2COCH3 + H2O + MnSO4 + K2SO4 =>
5 CH3CH2CH(OH)CH3 + 2 KMnO4 + 3 H2SO4 = 5 CH3CH2COCH3 + 8 H2O + 2 MnSO4 + K2SO4
Na2S2O3 + I2 + H2O = H2SO4 + NaI + HI =>
Na2S2O3 + 4 I2 + 5 H2O = 2 H2SO4 + 2 NaI + 6 HI
(HBr) + (NaOH) = (NaBr) + (H2O) =>
(HBr) + (NaOH) = (NaBr) + (H2O)
FeCl2 + Na(OH) = NaFe + Cl2(OH) =>
FeCl2 + Na(OH) = NaFe + Cl2(OH)
SrCl2 + S8 = SCl2 + Sr =>
8 SrCl2 + S8 = 8 SCl2 + 8 Sr
HCl + V = H2 + V3Cl =>
2 HCl + 6 V = H2 + 2 V3Cl
HCINaOH = NaCIH2O =>
HCINaOH = NaCIH2O
H2(SO4) + Ca(NO3)2 = Ca(SO4) + H(NO3) =>
H2(SO4) + Ca(NO3)2 = Ca(SO4) + 2 H(NO3)
C8H8O2 + NaOH = C8H7O2Na + H2O =>
C8H8O2 + NaOH = C8H7O2Na + H2O
Zn3(PO4)2 + NaCl = ZnCl2 + (PO4)Na3 =>
Zn3(PO4)2 + 6 NaCl = 3 ZnCl2 + 2(PO4)Na3
As2O3 + H2C2O4 = As2(C2O4)3 + H2O =>
As2O3 + 3 H2C2O4 = As2(C2O4)3 + 3 H2O
K2C2O4H2O + FeCl3 = FeK3(C2O4)3H2O + KCl + H2O =>
3 K2C2O4H2O + FeCl3 = FeK3(C2O4)3H2O + 3 KCl + 2 H2O
Rb + S8 = Rb2S8 =>
2 Rb + S8 = Rb2S8
Ca(NO3)2*6H2O + Mg(NO3)2*4H2O + NH2CONH2 + SiO2 = Ca2MgSi2O7 + H2O + CO + N2 =>
4 Ca(NO3)2*6H2O + 2 Mg(NO3)2*4H2O + 15 NH2CONH2 + 4 SiO2 = 2 Ca2MgSi2O7 + 62 H2O + 15 CO + 21 N2
C6H5CH + H{+} + Cr2O7{2-}— = C6H5COOH + Cr3{+} + H2O =>
17 C6H5CH + 16 H{+} + 6 Cr2O7{2-}— = 17 C6H5COOH + 4 Cr3{+} + 8 H2O
ZnCo3 = Zn + Co3 =>
ZnCo3 = Zn + Co3
CH3COCH3 + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
6 CH3COCH3 + 4 K2Cr2O7 + 16 H2SO4 = 9 CH3COOH + 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
Si + NO3 = SiO2 + N2O4 =>
Si + 2 NO3 = SiO2 + N2O4
H2C2O4 + KMnO4 = H2O + CO2 + MnO + KOH =>
5 H2C2O4 + 2 KMnO4 = 4 H2O + 10 CO2 + 2 MnO + 2 KOH
Na2CO3H2SO4 = Na2SO4H2CO3 =>
Na2CO3H2SO4 = Na2SO4H2CO3
Fe(NO3)2 + K3[Fe(CN)6] = Fe4[Fe(CN)6]3 + KFe[Fe(CN)] + KNO3 =>
111 Fe(NO3)2 + 76 K3[Fe(CN)6] = 25 Fe4[Fe(CN)6]3 + 6 KFe[Fe(CN)] + 222 KNO3
HCl + CH3OH = CH4 + HOCl =>
HCl + CH3OH = CH4 + HOCl
(NH4)Cl + NaNO2 = NaCl + H2O + N =>
(NH4)Cl + NaNO2 = NaCl + 2 H2O + 2 N
K3PO4(aq) + CaBr2(aq) = CaPO4 + K3Br2 =>
K3PO4(aq) + CaBr2(aq) = CaPO4 + K3Br2
Cr(ClO4)3 + Na2CO3 = CrCO3 + Na2(ClO4)3 =>
Cr(ClO4)3 + Na2CO3 = CrCO3 + Na2(ClO4)3
C6H806 + I3{-} + H2O = C6H6O6 + I{-} + H{+} =>
C6H806 + 406 I3{-} + 6 H2O = C6H6O6 + 1218 I{-} + 812 H{+}
PbO + (NH4)2 = Pb + N2 + H2O =>
4 PbO + (NH4)2 = 4 Pb + N2 + 4 H2O
CuS + HNO3 = Cu(NO3)2 + N + SO2 + H2O =>
5 CuS + 16 HNO3 = 5 Cu(NO3)2 + 6 N + 5 SO2 + 8 H2O
Ca(NO3)2 + C + S = CaCO3 + N + SO2 =>
2 Ca(NO3)2 + 2 C + 3 S = 2 CaCO3 + 4 N + 3 SO2
NaCl(s) + H2SiO3(l) = HCl(g) + Na2SiO3(s) =>
2 NaCl(s) + H2SiO3(l) = 2 HCl(g) + Na2SiO3(s)
Cr43 + Cl88 = CrCl3 =>
88 Cr43 + 129 Cl88 = 3784 CrCl3
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
{-} + H{+} + SO2 + O2 + CaCO3 = CaSO4(H2O)2 + CO2 =>
8e + 8 H{+} + 2 SO2 + 3 O2 + 2 CaCO3 = 2 CaSO4(H2O)2 + 2 CO2
HNO2 + C3H8O = C3H7ONO + H2O =>
HNO2 + C3H8O = C3H7ONO + H2O
SiH3Cl3 + NaOH = SiO2 + H2 + HCl + NaCl =>
SiH3Cl3 + 2 NaOH = SiO2 + 2 H2 + HCl + 2 NaCl
H3(PO4) + Ba(OH)2 = H2O + BaH(PO4) =>
H3(PO4) + Ba(OH)2 = 2 H2O + BaH(PO4)
Cu(IO3)2 + Li3PO4 = Cu3(PO4)2 + LiIO3 =>
3 Cu(IO3)2 + 2 Li3PO4 = Cu3(PO4)2 + 6 LiIO3
CH3COO{-} + H3O{+} + CaCO3 = Ca(CH3CO2)2 + CO2 + H2O =>
2 CH3COO{-} + 2 H3O{+} + CaCO3 = Ca(CH3CO2)2 + CO2 + 3 H2O
MnO4{-} + SO3{-} + OH{-} = MnO4{3-} + SO4{2-} + H2O =>
MnO4{-} + 2 SO3{-} + 4 OH{-} = MnO4{3-} + 2 SO4{2-} + 2 H2O
C7H6O3 + NaOH = C7H5NaO3 + H2O =>
C7H6O3 + NaOH = C7H5NaO3 + H2O
ICl3 + Au + K = AuCl + KI =>
ICl3 + 3 Au + K = 3 AuCl + KI
Li2SO3 = Li2S + Li2SO4 =>
4 Li2SO3 = Li2S + 3 Li2SO4
KClO3 + FeSO4*(NH4)2(SO4)*6H2O + H2SO4 = Cl2 + Fe2(SO4)3 + K2SO4 + (NH4)SO4 + H2O =>
6 KClO3 + 10 FeSO4*(NH4)2(SO4)*6H2O + 18 H2SO4 = 3 Cl2 + 5 Fe2(SO4)3 + 3 K2SO4 + 20(NH4)SO4 + 78 H2O
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