Équations équilibrées la veille |
O2{3-} + e = 2 O{2-}
CaSO4*2H2O + H2SO4 = CaS2O3 + H2O + O2 =>
CaSO4*2H2O + H2SO4 = CaS2O3 + 3 H2O + 2 O2
Ca(OH)2 + H = Ca2 + H2O =>
2 Ca(OH)2 + 4 H = Ca2 + 4 H2O
Sr + CuCl2 = SrCl2 + Cu =>
Sr + CuCl2 = SrCl2 + Cu
Mg2N + H2O = Mg(OH)2 + NH4 =>
Mg2N + 4 H2O = 2 Mg(OH)2 + NH4
LiOH(aq) + Zn(NO3)2(aq) = LiNO3(aq) + Zn(OH)2(s) =>
2 LiOH(aq) + Zn(NO3)2(aq) = 2 LiNO3(aq) + Zn(OH)2(s)
Fe + Mn{2+} = Fe{2+} + Mn =>
Fe + Mn{2+} = Fe{2+} + Mn
NH3 + AgNO3 = NNO3 + AgH3 =>
NH3 + AgNO3 = NNO3 + AgH3
Mn(s) + H3O(aq){+} + NO3(aq){-} = Mn(aq){2+} + NO2(g) + H2O =>
Mn(s) + 4 H3O(aq){+} + 2 NO3(aq){-} = Mn(aq){2+} + 2 NO2(g) + 6 H2O
C5H6 + [Ag(NH3)2]OH = C5H5Ag + NH3 + H2O =>
C5H6 + [Ag(NH3)2]OH = C5H5Ag + 2 NH3 + H2O
K2[Zn(OH)4] + HNO3 = KNO3 + Zn(NO3)2 + H2O =>
K2[Zn(OH)4] + 4 HNO3 = 2 KNO3 + Zn(NO3)2 + 4 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
FeNaCl2 = FeClNaCl =>
FeNaCl2 = FeClNaCl
Na(SO3) + HCl = NaCl + H(SO3) =>
Na(SO3) + HCl = NaCl + H(SO3)
COOHCOOH + O2 = CO2 + H2O =>
2 COOHCOOH + O2 = 4 CO2 + 2 H2O
Na2Co3 + H2O = HNa2Co3 + OH =>
Na2Co3 + H2O = HNa2Co3 + OH
Na2HCO3 + HC6H7O7 = Na2C6H6O7 + CO2 + H2O =>
18 Na2HCO3 + 17 HC6H7O7 = 18 Na2C6H6O7 + 12 CO2 + 23 H2O
H2SO4 + KMnO4 + H2O2 = MnO4 + KHSO4 + H2O =>
2 H2SO4 + 2 KMnO4 + H2O2 = 2 MnO4 + 2 KHSO4 + 2 H2O
Ba(H2PO4)2 + Ba(OH)2 = Ba3(PO4)2 + H2O =>
Ba(H2PO4)2 + 2 Ba(OH)2 = Ba3(PO4)2 + 4 H2O
H2O + CrO4{-2} + Cu = Cr(OH)3 + Cu(OH)2 + OH{-} =>
8 H2O + 2 CrO4{-2} + 3 Cu = 2 Cr(OH)3 + 3 Cu(OH)2 + 4 OH{-}
Zn(s) + Cl2(g) = ZnCl2 =>
Zn(s) + Cl2(g) = ZnCl2
Fe(SCN)3 + Na3PO4 = NaSCN + FePO4 =>
Fe(SCN)3 + Na3PO4 = 3 NaSCN + FePO4
Fe(NO3)3 + Cd(NO3)2 = Fe(NO3)2 + Cd(NO3)3 =>
Fe(NO3)3 + Cd(NO3)2 = Fe(NO3)2 + Cd(NO3)3
PH4I + I2 = P2I4 + HI =>
2 PH4I + 5 I2 = P2I4 + 8 HI
F + H3O = HF + H2O =>
F + H3O = HF + H2O
Mn2O3 + H2O = MnO2 + H{+} + e =>
Mn2O3 + H2O = 2 MnO2 + 2 H{+} + 2e
Na + K2SO4 = Na2SO4 + K =>
2 Na + K2SO4 = Na2SO4 + 2 K
Cs(s) + Cl2(g) = CsCl(s) =>
2 Cs(s) + Cl2(g) = 2 CsCl(s)
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
NBr3 + HCl = HNBr3 + Cl =>
NBr3 + HCl = HNBr3 + Cl
C4H8 = C + H =>
C4H8 = 4 C + 8 H
CH3H8 + H2O = CO + H2 =>
2 CH3H8 + 2 H2O = 2 CO + 13 H2
Mn + NO3{-} + H{+} = Mn{2+} + NO2 + H2O =>
Mn + 2 NO3{-} + 4 H{+} = Mn{2+} + 2 NO2 + 2 H2O
HgO + SnCl4 = HgCl2 + SnO2 =>
2 HgO + SnCl4 = 2 HgCl2 + SnO2
HClO3(aq) + NaOH(aq) = NaClO3(s) + H2O(l) =>
HClO3(aq) + NaOH(aq) = NaClO3(s) + H2O(l)
Al + FeN = AlN + Fe =>
Al + FeN = AlN + Fe
CdH2P2O7 + NaCl = CdCl2 + Na2H2P2O7 =>
CdH2P2O7 + 2 NaCl = CdCl2 + Na2H2P2O7
H2Cr2O7 + Fe(OH)2 + H2O = Fe(OH)3 + Cr2O3 =>
H2Cr2O7 + 6 Fe(OH)2 + 2 H2O = 6 Fe(OH)3 + Cr2O3
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
CaOCO2 = CaCO3 =>
CaOCO2 = CaCO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Tl + HNO3 = Tl{+2} + NO3{-} + H2 =>
Tl + 2 HNO3 = Tl{+2} + 2 NO3{-} + H2
Fe + H2SO4(conc) = Fe2O3 + SO2 + H2O =>
2 Fe + 3 H2SO4(conc) = Fe2O3 + 3 SO2 + 3 H2O
Na2SeO3 + Ag + H2O = NaOH + Ag2Se + Ag2O =>
Na2SeO3 + 6 Ag + H2O = 2 NaOH + Ag2Se + 2 Ag2O
C6H10 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + C6H10O2 =>
5 C6H10 + 4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 6 H2O + 5 C6H10O2
SrBr2 + (NH4)2CO3 = SrCO3 + (NH4)2Br2 =>
SrBr2 + (NH4)2CO3 = SrCO3 + (NH4)2Br2
PbCrO4 + CH3OOH = Pb{2+} + Cr2O7{2-} + CH3OO{-} + H2O =>
2 PbCrO4 + 2 CH3OOH = 2 Pb{2+} + Cr2O7{2-} + 2 CH3OO{-} + H2O
Al2 + CoSO4 = Co + AlSO4 =>
Al2 + 2 CoSO4 = 2 Co + 2 AlSO4
Zn + NHO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 NHO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
Ca2CO3 + HC2H3O2 = Ca(C2H3O2)2 + H2O + CO2 =>
4 Ca2CO3 + 15 HC2H3O2 = 8 Ca(C2H3O2)2 + 6 H2O + 2 CO2
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