| Équations équilibrées la veille |
K2Cr2O7 + H2SO4 + 3 C2H6O = Cr2O3 + 3 C2H4O + K2SO4 + 4 H2O
Tc + HNO3 = HTcO4 + NO2 + H2O =>
Tc + 7 HNO3 = HTcO4 + 7 NO2 + 3 H2O
HI(aq) + Pb(C2H3O2)2(aq) = PbI2(s) + HC2H3O2(aq) =>
2 HI(aq) + Pb(C2H3O2)2(aq) = PbI2(s) + 2 HC2H3O2(aq)
HNO3 + MgO2H2 = H2O + MgN2O6 =>
2 HNO3 + MgO2H2 = 2 H2O + MgN2O6
Hg(CH3COO)2 + HCl = HgCl2 + CH3COOH =>
Hg(CH3COO)2 + 2 HCl = HgCl2 + 2 CH3COOH
Cr(OH)4{-} + Cl2 + OH{-} = CrO4{2-} + Cl{-} + H2O =>
2 Cr(OH)4{-} + 3 Cl2 + 8 OH{-} = 2 CrO4{2-} + 6 Cl{-} + 8 H2O
CuZn + HNO3 = Cu(NO3)2 + Zn(NO3)2 + NO + H2O =>
3 CuZn + 16 HNO3 = 3 Cu(NO3)2 + 3 Zn(NO3)2 + 4 NO + 8 H2O
C6H12 + KMnO4 + H2O = KOH + MnO2 + C6H14O2 =>
3 C6H12 + 2 KMnO4 + 4 H2O = 2 KOH + 2 MnO2 + 3 C6H14O2
Pb + FeSO4 = PbSO4 + Fe =>
Pb + FeSO4 = PbSO4 + Fe
W + I2 = WI =>
2 W + I2 = 2 WI
CuSO4 + NaOH = Cu(OH)2 + (Na)2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + (Na)2SO4
FeS2 + O2 = Fe2O3 + S8 =>
4 FeS2 + 3 O2 = 2 Fe2O3 + S8
H2SO4 + LiOH = H2O + Li2SO4 =>
H2SO4 + 2 LiOH = 2 H2O + Li2SO4
H2SO4 + KOH = K2SO4 + H(OH) =>
H2SO4 + 2 KOH = K2SO4 + 2 H(OH)
CuBr2 + AgCH3CO2 = AgBr + Cu(CH3CO2)2 =>
CuBr2 + 2 AgCH3CO2 = 2 AgBr + Cu(CH3CO2)2
KClO3 + H2SO4 = KHSO4 + O2 + ClO2 + H2O =>
4 KClO3 + 4 H2SO4 = 4 KHSO4 + O2 + 4 ClO2 + 2 H2O
Zr + HCl + HNO3 = H2ZrCl6 + NO + H2O =>
3 Zr + 18 HCl + 4 HNO3 = 3 H2ZrCl6 + 4 NO + 8 H2O
Ca(NO3)2 + KBr = CaBr2 + K(NO3) =>
Ca(NO3)2 + 2 KBr = CaBr2 + 2 K(NO3)
Mn3P7 + O2 = MnO + P2O5 =>
4 Mn3P7 + 41 O2 = 12 MnO + 14 P2O5
CuCl2 + CH3CSNH2 = NH3 + H2S + Cu + CCl =>
CuCl2 + CH3CSNH2 = NH3 + H2S + Cu + 2 CCl
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Li2O + Na2S = Li2S + Na2O =>
Li2O + Na2S = Li2S + Na2O
Ni(ClO3)2 + Na3PO4 = Ni3(PO4)2 + NaClO3 =>
3 Ni(ClO3)2 + 2 Na3PO4 = Ni3(PO4)2 + 6 NaClO3
Al(OH)3 + H2C2O4 + K2C2O4 = K3(Al(C2O4)3)*3H2O =>
2 Al(OH)3 + 3 H2C2O4 + 3 K2C2O4 = 2 K3(Al(C2O4)3)*3H2O
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
C7H8 + HNO3 = C7H5N3O6 + H2O =>
C7H8 + 3 HNO3 = C7H5N3O6 + 3 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Au + AgNO3 = AuNO3 + Ag =>
Au + AgNO3 = AuNO3 + Ag
Fe2 + S8 = Fe8S2 =>
16 Fe2 + S8 = 4 Fe8S2
NaBiO3 + FeS + H2SO4 = Bi2(SO4)3 + Fe2(SO4)3 + Na2SO4 + H2O =>
18 NaBiO3 + 4 FeS + 38 H2SO4 = 9 Bi2(SO4)3 + 2 Fe2(SO4)3 + 9 Na2SO4 + 38 H2O
As + Br = AsBr5 =>
As + 5 Br = AsBr5
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
NH4Cl + HCl + N2 + Pt = (NH4)2PtCl6 =>
2 NH4Cl + 16 HCl + 2 N2 + 3 Pt = 3(NH4)2PtCl6
CoSO4 + NaOH = (CoOH)2SO4 + Na2SO4 =>
2 CoSO4 + 2 NaOH = (CoOH)2SO4 + Na2SO4
Ni(ClO4)2 + Na3PO4 = Ni3(PO4)2 + NaClO4 =>
3 Ni(ClO4)2 + 2 Na3PO4 = Ni3(PO4)2 + 6 NaClO4
SrO + N2O3 = Sr(NO2)2 =>
SrO + N2O3 = Sr(NO2)2
H2SiO3 + Na2O = Na2SiO3 + H2O =>
H2SiO3 + Na2O = Na2SiO3 + H2O
C6H8O7 + NaCl = C6H7O7Na + HCl =>
C6H8O7 + NaCl = C6H7O7Na + HCl
H{+} + Cl{-} = HCl =>
H{+} + Cl{-} = HCl
KNO3 + C2H2O4 = N2 + K2CO3 + H2O + CO2 =>
2 KNO3 + 5 C2H2O4 = N2 + K2CO3 + 5 H2O + 9 CO2
SO2 + KMnO4{-} + H2O = SO4{2-} + Mn{2+} + H{+} + K =>
5 SO2 + 2 KMnO4{-} + 2 H2O = 5 SO4{2-} + 2 Mn{2+} + 4 H{+} + 2 K
NaHO + CuSO4 = Cu(HO)2 + Na2SO4 =>
2 NaHO + CuSO4 = Cu(HO)2 + Na2SO4
Ag + O2 = Ag2O =>
4 Ag + O2 = 2 Ag2O
C6H5Cl + H2O = C6H6O + HCl =>
C6H5Cl + H2O = C6H6O + HCl
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
K2CO3 + HCl(aq) = KCl(aq) + H2O(l) + CO2(g) =>
K2CO3 + 2 HCl(aq) = 2 KCl(aq) + H2O(l) + CO2(g)
Cr2O7{2-} + SO3{2-}(aq) + H{+} = SO4{2-}(aq) + Cr3{+}(aq) + H2O =>
3 Cr2O7{2-} + 17 SO3{2-}(aq) + 8 H{+} = 17 SO4{2-}(aq) + 2 Cr3{+}(aq) + 4 H2O
UO3 + H2 = UO2 + H2O =>
UO3 + H2 = UO2 + H2O
KOH + SO4 = K2SO4 + OH =>
2 KOH + SO4 = K2SO4 + 2 OH
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
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